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<?xml version="1.0" encoding="windows-1252"?> |
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<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> |
| <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple"/> |
| <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple"/> |
| <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple"/> |
| <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple"/> |
| <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple"/> |
| <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple"/> |
| <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple"/> |
| <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended"> |
| | <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_12148AA58EFB9C50BB9934D82E2EA497_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_12148AA58EFB9C50BB9934D82E2EA497" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_12148AA58EFB9C50BB9934D82E2EA497" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_12148AA58EFB9C50BB9934D82E2EA497" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_12148AA58EFB9C50BB9934D82E2EA497" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0D212FE39728882C0A7134D82E2E4F13_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0D212FE39728882C0A7134D82E2E4F13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0D212FE39728882C0A7134D82E2E4F13_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0D212FE39728882C0A7134D82E2E4F13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0D212FE39728882C0A7134D82E2E4F13" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0D212FE39728882C0A7134D82E2E4F13" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0D212FE39728882C0A7134D82E2E4F13" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE_terseLabel_en-US" xlink:label="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Plan Name </link:label> |
| | <link:label id="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE_label_en-US" xlink:label="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plan Name [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:to="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4_terseLabel_en-US" xlink:label="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Plan Name </link:label> |
| | <link:label id="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4_label_en-US" xlink:label="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plan Name [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:to="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:type="arc"/> |
| | <link:label id="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A_terseLabel_en-US" xlink:label="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> KAR Auction Services, Inc. 2009 Omnibus Stock and Incentive Plan </link:label> |
| | <link:label id="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A_label_en-US" xlink:label="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> KAR Auction Services Inc Omnibus Stock and Incentive Plan 2009 [Member] </link:label> |
| | <link:label id="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A_documentation_en-US" xlink:label="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to KAR Auction Services, Inc. 2009 Omnibus Stock and Incentive Plan of the entity. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member" xlink:label="loc_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A" xlink:to="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AwardTypeAxis_379CF36D792D5A587D5B34D82E31A1CA_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_379CF36D792D5A587D5B34D82E31A1CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Award Type </link:label> |
| | <link:label id="lab_us-gaap_AwardTypeAxis_379CF36D792D5A587D5B34D82E31A1CA_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_379CF36D792D5A587D5B34D82E31A1CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Award Type [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_379CF36D792D5A587D5B34D82E31A1CA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardTypeAxis_379CF36D792D5A587D5B34D82E31A1CA" xlink:to="lab_us-gaap_AwardTypeAxis_379CF36D792D5A587D5B34D82E31A1CA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7ECB40B771168CB6129934D82E316C09_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7ECB40B771168CB6129934D82E316C09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Award type </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7ECB40B771168CB6129934D82E316C09_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7ECB40B771168CB6129934D82E316C09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Award Type [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7ECB40B771168CB6129934D82E316C09" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7ECB40B771168CB6129934D82E316C09" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7ECB40B771168CB6129934D82E316C09" xlink:type="arc"/> |
| | <link:label id="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7_terseLabel_en-US" xlink:label="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs </link:label> |
| | <link:label id="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7_label_en-US" xlink:label="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> PRSUs [Member] </link:label> |
| | <link:label id="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7_documentation_en-US" xlink:label="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Performance-based restricted stock units (PRSUs) granted to certain employees of the Company. Includes PRSUs with vesting tied to the Company's Total Shareholder Return (TSR) and cumulative Adjusted EPS. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_PRSUsMember" xlink:label="loc_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7" xlink:to="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> RSUs </link:label> |
| | <link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5_label_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Stock Units (RSUs) [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5" xlink:to="lab_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5" xlink:type="arc"/> |
| | <link:label id="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353_terseLabel_en-US" xlink:label="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Service options </link:label> |
| | <link:label id="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353_label_en-US" xlink:label="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Service Options [Member] </link:label> |
| | <link:label id="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353_documentation_en-US" xlink:label="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to service options of the entity classified as equity awards. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ServiceOptionsMember" xlink:label="loc_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353" xlink:to="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock and Stock-Based Compensation Plans </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based payment arrangement, plan modification, incremental cost </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Plan Modification, Incremental Cost </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation expense (in dollars) </link:label> |
| | <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_738280AD861A342D6ADC34D82E3417CB_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_738280AD861A342D6ADC34D82E3417CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total income tax benefit recognized (in dollars) </link:label> |
| | <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_738280AD861A342D6ADC34D82E3417CB_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_738280AD861A342D6ADC34D82E3417CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Expense, Tax Benefit </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_738280AD861A342D6ADC34D82E3417CB" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_A0C4755C43B96207477F34D82E347C04_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_A0C4755C43B96207477F34D82E347C04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrecognized compensation expense related to nonvested PRSUs and/or RSUs (in dollars) </link:label> |
| | <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_A0C4755C43B96207477F34D82E347C04_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_A0C4755C43B96207477F34D82E347C04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_A0C4755C43B96207477F34D82E347C04" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C011A0F00A28D3AAFBC734D82E348269_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C011A0F00A28D3AAFBC734D82E348269" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average term for recognizing unrecognized compensation expense </link:label> |
| | <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C011A0F00A28D3AAFBC734D82E348269_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C011A0F00A28D3AAFBC734D82E348269" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C011A0F00A28D3AAFBC734D82E348269" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_22E9DBA8B5C013413F459125BFE55266_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_22E9DBA8B5C013413F459125BFE55266" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information Disclosure [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_22E9DBA8B5C013413F459125BFE55266" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_QuarterlyFinancialInformationTextBlock_81BA4FE4D64397283A029125BFE50CB7_terseLabel_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationTextBlock_81BA4FE4D64397283A029125BFE50CB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Data (Unaudited) </link:label> |
| | <link:label id="lab_us-gaap_QuarterlyFinancialInformationTextBlock_81BA4FE4D64397283A029125BFE50CB7_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationTextBlock_81BA4FE4D64397283A029125BFE50CB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="loc_us-gaap_QuarterlyFinancialInformationTextBlock_81BA4FE4D64397283A029125BFE50CB7" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_847619D992FF5CC251533EFAEEF1FAC4_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_847619D992FF5CC251533EFAEEF1FAC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Basic and Diluted [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_847619D992FF5CC251533EFAEEF1FAC4" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_EarningsPerShareTextBlock_9549B6E1CCBA526341293EFAEEF13283_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_9549B6E1CCBA526341293EFAEEF13283" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net Income from Continuing Operations Per Share </link:label> |
| | <link:label id="lab_us-gaap_EarningsPerShareTextBlock_9549B6E1CCBA526341293EFAEEF13283_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_9549B6E1CCBA526341293EFAEEF13283" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_9549B6E1CCBA526341293EFAEEF13283" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_SegmentReportingAbstract_3D040DCE2B4F5242C359213B1DEDECF2_label_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract_3D040DCE2B4F5242C359213B1DEDECF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_3D040DCE2B4F5242C359213B1DEDECF2" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_8D09A2B012ECD249E556213B1DEDF145_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_8D09A2B012ECD249E556213B1DEDF145" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Revenues from External Customers and Long-Lived Assets </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_8D09A2B012ECD249E556213B1DEDF145_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_8D09A2B012ECD249E556213B1DEDF145" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Revenues from External Customers and Long-Lived Assets [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_8D09A2B012ECD249E556213B1DEDF145" xlink:type="locator"/> |
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| | <link:label id="lab_srt_StatementGeographicalAxis_B1CAE82CEDDEEB76679D213B1DEDF12F_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis_B1CAE82CEDDEEB76679D213B1DEDF12F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Geographical </link:label> |
| | <link:label id="lab_srt_StatementGeographicalAxis_B1CAE82CEDDEEB76679D213B1DEDF12F_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis_B1CAE82CEDDEEB76679D213B1DEDF12F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geographical [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_B1CAE82CEDDEEB76679D213B1DEDF12F" xlink:type="locator"/> |
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| | <link:label id="lab_srt_SegmentGeographicalDomain_1B0C266F15B3BAC9F120213B1DEE9DC2_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_1B0C266F15B3BAC9F120213B1DEE9DC2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment, Geographical </link:label> |
| | <link:label id="lab_srt_SegmentGeographicalDomain_1B0C266F15B3BAC9F120213B1DEE9DC2_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_1B0C266F15B3BAC9F120213B1DEE9DC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geographical [Domain] </link:label> |
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| | <link:label id="lab_country_US_D9F3A75DB40073C94FA9213B1DEEFDD1_label_en-US" xlink:label="lab_country_US_D9F3A75DB40073C94FA9213B1DEEFDD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> UNITED STATES </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_D9F3A75DB40073C94FA9213B1DEEFDD1" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_NonUsMember_C53B981C8926F98650AB213B1DEED7D3_terseLabel_en-US" xlink:label="lab_us-gaap_NonUsMember_C53B981C8926F98650AB213B1DEED7D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign </link:label> |
| | <link:label id="lab_us-gaap_NonUsMember_C53B981C8926F98650AB213B1DEED7D3_label_en-US" xlink:label="lab_us-gaap_NonUsMember_C53B981C8926F98650AB213B1DEED7D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Non-US [Member] </link:label> |
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| | <link:label id="lab_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50_terseLabel_en-US" xlink:label="lab_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percent of foreign revenue from Canada </link:label> |
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| | <link:loc xlink:href="kar-20191231.xsd#kar_PercentofForeignRevenueFromCanada" xlink:label="loc_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating revenues </link:label> |
| | <link:label id="lab_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B_label_en-US" xlink:label="lab_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B" xlink:to="lab_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157_terseLabel_en-US" xlink:label="lab_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-lived assets </link:label> |
| | <link:label id="lab_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157_label_en-US" xlink:label="lab_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-Lived Assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncurrentAssets" xlink:label="loc_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157" xlink:to="lab_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disclosure of major customers </link:label> |
| | <link:label id="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting, Disclosure of Major Customers </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingDisclosureOfMajorCustomers" xlink:label="loc_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9" xlink:to="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_BAF6F963C6CF82A25B231B5904680504_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_BAF6F963C6CF82A25B231B5904680504" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_BAF6F963C6CF82A25B231B5904680504" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_BAF6F963C6CF82A25B231B5904680504" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_BAF6F963C6CF82A25B231B5904680504" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of accumulated other comprehensive loss </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09" xlink:to="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09" xlink:type="arc"/> |
| | <link:label id="lab_kar_EquityMethodInvestmentsAbstract_5E12F46E858F643B752A213B20297B5C_label_en-US" xlink:label="lab_kar_EquityMethodInvestmentsAbstract_5E12F46E858F643B752A213B20297B5C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments [Abstract] </link:label> |
| | <link:label id="lab_kar_EquityMethodInvestmentsAbstract_5E12F46E858F643B752A213B20297B5C_documentation_en-US" xlink:label="lab_kar_EquityMethodInvestmentsAbstract_5E12F46E858F643B752A213B20297B5C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Equity Method Investments [Abstract] </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_EquityMethodInvestmentsAbstract" xlink:label="loc_kar_EquityMethodInvestmentsAbstract_5E12F46E858F643B752A213B20297B5C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_EquityMethodInvestmentsAbstract_5E12F46E858F643B752A213B20297B5C" xlink:to="lab_kar_EquityMethodInvestmentsAbstract_5E12F46E858F643B752A213B20297B5C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1866803B2DB7F45B4BE8213B20297E04_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1866803B2DB7F45B4BE8213B20297E04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Equity Method Investments </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1866803B2DB7F45B4BE8213B20297E04_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1866803B2DB7F45B4BE8213B20297E04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Equity Method Investments [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1866803B2DB7F45B4BE8213B20297E04" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1866803B2DB7F45B4BE8213B20297E04" xlink:to="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1866803B2DB7F45B4BE8213B20297E04" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_51E6F18ECE657D14F352213B202A5104_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_51E6F18ECE657D14F352213B202A5104" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_51E6F18ECE657D14F352213B202A5104_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_51E6F18ECE657D14F352213B202A5104" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_51E6F18ECE657D14F352213B202A5104" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_51E6F18ECE657D14F352213B202A5104" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_51E6F18ECE657D14F352213B202A5104" xlink:type="arc"/> |
| | <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_AA24A25504AAA4CCA26B213B202AD94A_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_AA24A25504AAA4CCA26B213B202AD94A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment, Name </link:label> |
| | <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_AA24A25504AAA4CCA26B213B202AD94A_label_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_AA24A25504AAA4CCA26B213B202AD94A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment, Name [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_AA24A25504AAA4CCA26B213B202AD94A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_AA24A25504AAA4CCA26B213B202AD94A" xlink:to="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_AA24A25504AAA4CCA26B213B202AD94A" xlink:type="arc"/> |
| | <link:label id="lab_srt_EquityMethodInvesteeNameDomain_ACE497A7F7E24E428B3B213B202AA158_terseLabel_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain_ACE497A7F7E24E428B3B213B202AA158" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment, Name </link:label> |
| | <link:label id="lab_srt_EquityMethodInvesteeNameDomain_ACE497A7F7E24E428B3B213B202AA158_label_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain_ACE497A7F7E24E428B3B213B202AA158" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment, Name [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_ACE497A7F7E24E428B3B213B202AA158" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_ACE497A7F7E24E428B3B213B202AA158" xlink:to="lab_srt_EquityMethodInvesteeNameDomain_ACE497A7F7E24E428B3B213B202AA158" xlink:type="arc"/> |
| | <link:label id="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B_terseLabel_en-US" xlink:label="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> TradeRev </link:label> |
| | <link:label id="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B_label_en-US" xlink:label="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> TradeRev [Member] </link:label> |
| | <link:label id="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B_documentation_en-US" xlink:label="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to TradeRev </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_TradeRevMember" xlink:label="loc_kar_TradeRevMember_1EE39456D9586E670077213B202A862B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TradeRevMember_1EE39456D9586E670077213B202A862B" xlink:to="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B" xlink:type="arc"/> |
| | <link:label id="lab_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF_terseLabel_en-US" xlink:label="lab_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statistical Measurement </link:label> |
| | <link:label id="lab_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF_label_en-US" xlink:label="lab_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statistical Measurement [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF" xlink:type="locator"/> |
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| | <link:label id="lab_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E_terseLabel_en-US" xlink:label="lab_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statistical Measurement </link:label> |
| | <link:label id="lab_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E_label_en-US" xlink:label="lab_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statistical Measurement [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E" xlink:type="locator"/> |
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| | <link:label id="lab_srt_MinimumMember_583552E7581012DA6904213B202B4F93_terseLabel_en-US" xlink:label="lab_srt_MinimumMember_583552E7581012DA6904213B202B4F93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum </link:label> |
| | <link:label id="lab_srt_MinimumMember_583552E7581012DA6904213B202B4F93_label_en-US" xlink:label="lab_srt_MinimumMember_583552E7581012DA6904213B202B4F93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Minimum [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_583552E7581012DA6904213B202B4F93" xlink:type="locator"/> |
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| | <link:label id="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180_terseLabel_en-US" xlink:label="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum </link:label> |
| | <link:label id="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180_label_en-US" xlink:label="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:to="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Method Investments </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Equity Method Investments [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560" xlink:to="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity method investment, ownership percentage </link:label> |
| | <link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investment, Ownership Percentage </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6" xlink:to="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity method investment, carrying value </link:label> |
| | <link:label id="lab_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC" xlink:to="lab_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gain on previously held equity interest value </link:label> |
| | <link:label id="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain" xlink:label="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC" xlink:to="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other (income) expense, net </link:label> |
| | <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Nonoperating Income (Expense) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NotesAndLoansReceivableNetCurrentAbstract_04B447CE7C5453D29AA73EFAEE9F2DAC_label_en-US" xlink:label="lab_us-gaap_NotesAndLoansReceivableNetCurrentAbstract_04B447CE7C5453D29AA73EFAEE9F2DAC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, after Allowance for Credit Loss, Current [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesAndLoansReceivableNetCurrentAbstract" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetCurrentAbstract_04B447CE7C5453D29AA73EFAEE9F2DAC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesAndLoansReceivableNetCurrentAbstract_04B447CE7C5453D29AA73EFAEE9F2DAC" xlink:to="lab_us-gaap_NotesAndLoansReceivableNetCurrentAbstract_04B447CE7C5453D29AA73EFAEE9F2DAC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together </link:label> |
| | <link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B_label_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets that Continue to be Recognized, Transferred Financial Assets and Other Financial Assets Managed Together [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B" xlink:to="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_D3E95FFB79CC3A2395E13EFAEEA0E398_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_D3E95FFB79CC3A2395E13EFAEEA0E398" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Financing Receivable </link:label> |
| | <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_D3E95FFB79CC3A2395E13EFAEEA0E398_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_D3E95FFB79CC3A2395E13EFAEEA0E398" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Financing Receivable [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_D3E95FFB79CC3A2395E13EFAEEA0E398" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_D3E95FFB79CC3A2395E13EFAEEA0E398" xlink:to="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_D3E95FFB79CC3A2395E13EFAEEA0E398" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_3E727FD18BCBAA70588B3EFAEEA0AC99_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_3E727FD18BCBAA70588B3EFAEEA0AC99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Financing Receivable </link:label> |
| | <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_3E727FD18BCBAA70588B3EFAEEA0AC99_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_3E727FD18BCBAA70588B3EFAEEA0AC99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Financing Receivable [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_3E727FD18BCBAA70588B3EFAEEA0AC99" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_3E727FD18BCBAA70588B3EFAEEA0AC99" xlink:to="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_3E727FD18BCBAA70588B3EFAEEA0AC99" xlink:type="arc"/> |
| | <link:label id="lab_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03_terseLabel_en-US" xlink:label="lab_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> December 2018 AFC A&R RPA </link:label> |
| | <link:label id="lab_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03_label_en-US" xlink:label="lab_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> December 2018 AFC A&R RPA [Member] </link:label> |
| | <link:label id="lab_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03_documentation_en-US" xlink:label="lab_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> December 2018 AFC A&R RPA </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_December2018AFCARRPAMember" xlink:label="loc_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03" xlink:type="locator"/> |
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| | <link:label id="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Legal Entity </link:label> |
| | <link:label id="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4_label_en-US" xlink:label="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Legal Entity [Axis] </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:to="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666_terseLabel_en-US" xlink:label="lab_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity </link:label> |
| | <link:label id="lab_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666_label_en-US" xlink:label="lab_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity [Domain] </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666" xlink:type="locator"/> |
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| | <link:label id="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58_terseLabel_en-US" xlink:label="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AFC </link:label> |
| | <link:label id="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58_label_en-US" xlink:label="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AFC [Member] </link:label> |
| | <link:label id="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58_documentation_en-US" xlink:label="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the operating segment of the entity, Automotive Finance Corporation. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AFCMember" xlink:label="loc_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:to="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:type="arc"/> |
| | <link:label id="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB_terseLabel_en-US" xlink:label="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AFC Funding Corporation </link:label> |
| | <link:label id="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB_label_en-US" xlink:label="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AFC Funding Corporation [Member] </link:label> |
| | <link:label id="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB_documentation_en-US" xlink:label="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to AFC Funding Corporation, established for the purpose of purchasing AFC's finance receivables. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AFCFundingCorporationMember" xlink:label="loc_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:to="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:type="arc"/> |
| | <link:label id="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33_terseLabel_en-US" xlink:label="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AFCI </link:label> |
| | <link:label id="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33_label_en-US" xlink:label="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Automotive Finance Canada Inc [Member] </link:label> |
| | <link:label id="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33_documentation_en-US" xlink:label="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to Automotive Finance Canada, Inc. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AutomotiveFinanceCanadaIncMember" xlink:label="loc_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:to="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financial Instrument </link:label> |
| | <link:label id="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D_label_en-US" xlink:label="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financial Instrument [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:to="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Types of Financial Instruments </link:label> |
| | <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D_label_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financial Instruments [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:to="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:type="arc"/> |
| | <link:label id="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2_terseLabel_en-US" xlink:label="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Floorplan receivables </link:label> |
| | <link:label id="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2_label_en-US" xlink:label="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Floorplan Receivables [Member] </link:label> |
| | <link:label id="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2_documentation_en-US" xlink:label="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Type of financing receivables or securitized financing assets that continue to be recognized and are characterized as floorplan receivables. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FloorplanReceivablesMember" xlink:label="loc_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:to="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:type="arc"/> |
| | <link:label id="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9_terseLabel_en-US" xlink:label="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Loans </link:label> |
| | <link:label id="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9_label_en-US" xlink:label="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Loans [Member] </link:label> |
| | <link:label id="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9_documentation_en-US" xlink:label="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Type of financing receivables or securitized financing assets that continue to be recognized and are characterized as other loans receivable. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_OtherLoansMember" xlink:label="loc_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:to="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance Receivables and Obligations Collateralized by Finance Receivables </link:label> |
| | <link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04_label_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:to="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:type="arc"/> |
| | <link:label id="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1_terseLabel_en-US" xlink:label="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Committed liquidity </link:label> |
| | <link:label id="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1_label_en-US" xlink:label="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable Committed Liquidity </link:label> |
| | <link:label id="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1_documentation_en-US" xlink:label="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of committed liquidity provided by the funding corporation. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FinancingReceivableCommittedLiquidity" xlink:label="loc_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:to="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1_verboseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cost capitalized in connection with US/Canada RPA </link:label> |
| | <link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Debt Issuance Costs </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:type="arc"/> |
| | <link:label id="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889_terseLabel_en-US" xlink:label="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Period to define financing receivables as past due (in days) </link:label> |
| | <link:label id="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889_label_en-US" xlink:label="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable Past Due Number of Days </link:label> |
| | <link:label id="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889_documentation_en-US" xlink:label="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of days for defining financing receivables as past due. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FinancingReceivablePastDueNumberOfDays" xlink:label="loc_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:to="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principal amount of receivables </link:label> |
| | <link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627_label_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627" xlink:to="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principal amount of receivables delinquent </link:label> |
| | <link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684_label_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Delinquent Amount at End of Period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684" xlink:to="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net credit losses </link:label> |
| | <link:label id="lab_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1_label_en-US" xlink:label="lab_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Net Credit Losses During Period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod" xlink:label="loc_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1" xlink:to="lab_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239_verboseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Allowance for losses </link:label> |
| | <link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239_label_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Allowance for Credit Loss, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239" xlink:to="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7_terseLabel_en-US" xlink:label="lab_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance receivables pledged as security </link:label> |
| | <link:label id="lab_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7_label_en-US" xlink:label="lab_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pledged Assets, Not Separately Reported, Finance Receivables </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables" xlink:label="loc_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7" xlink:to="lab_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7" xlink:type="arc"/> |
| | <link:label id="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0_terseLabel_en-US" xlink:label="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash reserve as security for obligations of collateralized financing receivables (as a percent) </link:label> |
| | <link:label id="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0_label_en-US" xlink:label="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Reserve as Percentage of Financing Receivable Securitized </link:label> |
| | <link:label id="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0_documentation_en-US" xlink:label="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the cash reserve maintained as a percentage of finance receivables securitized, which serves as security for the obligations collateralized by the financing receivables. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CashReserveAsPercentageOfFinancingReceivableSecuritized" xlink:label="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:to="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:type="arc"/> |
| | <link:label id="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F_verboseLabel_en-US" xlink:label="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash reserve as security for obligations of collateralized financing receivables - circumstance two (as a percent) </link:label> |
| | <link:label id="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F_label_en-US" xlink:label="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Reserve as Percentage of Financing Receivable Securitized - Circumstance Two </link:label> |
| | <link:label id="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F_documentation_en-US" xlink:label="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the cash reserve maintained when certain circumstances are triggered as a percentage of finance receivables securitized, which serves as security for the obligations collaterized by the financing receivables. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo" xlink:label="loc_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:to="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:type="arc"/> |
| | <link:label id="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488_terseLabel_en-US" xlink:label="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Obligations collateralized by finance receivables, gross </link:label> |
| | <link:label id="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488_label_en-US" xlink:label="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transfers Accounted For As Secured Borrowings, Associated Liabilities, Gross Amount </link:label> |
| | <link:label id="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488_documentation_en-US" xlink:label="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Gross amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount" xlink:label="loc_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:to="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Unamortized debt issuance costs </link:label> |
| | <link:label id="lab_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD_label_en-US" xlink:label="lab_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unamortized Debt Issuance Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD" xlink:to="lab_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Obligations collateralized by finance receivables </link:label> |
| | <link:label id="lab_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F_label_en-US" xlink:label="lab_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount" xlink:label="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F" xlink:to="lab_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_BB889CF2208B7C181EC03EFAEFA7F3D2_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_BB889CF2208B7C181EC03EFAEFA7F3D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations and Disposal Groups [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_BB889CF2208B7C181EC03EFAEFA7F3D2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_BB889CF2208B7C181EC03EFAEFA7F3D2" xlink:to="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_BB889CF2208B7C181EC03EFAEFA7F3D2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xlink:label="loc_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1" xlink:to="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets Disclosure [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D" xlink:type="arc"/> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35_terseLabel_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class </link:label> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35_label_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class [Table] </link:label> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35_documentation_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of finite-lived and indefinite-lived intangible assets, excluding goodwill, in total and by major class. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:label="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:to="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:type="arc"/> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546_terseLabel_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class </link:label> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546_label_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class [Axis] </link:label> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546_documentation_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information by major type or class of finite lived and indefinite lived intangible assets. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:to="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:type="arc"/> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389_terseLabel_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class </link:label> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389_label_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class [Domain] </link:label> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389_documentation_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the major class of finite lived and indefinite lived intangible assets. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain" xlink:label="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:to="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE_terseLabel_en-US" xlink:label="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tradenames </link:label> |
| | <link:label id="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE_label_en-US" xlink:label="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trade Names [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:to="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2_terseLabel_en-US" xlink:label="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Computer software & technology </link:label> |
| | <link:label id="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2_label_en-US" xlink:label="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Computer Software, Intangible Asset [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:to="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2_terseLabel_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Covenants not to compete </link:label> |
| | <link:label id="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2_label_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncompete Agreements [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:to="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:type="arc"/> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158_terseLabel_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of other intangible assets </link:label> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158_label_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items] </link:label> |
| | <link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158_documentation_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:label="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:to="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Useful lives </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Asset, Useful Life </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:type="arc"/> |
| | <link:label id="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E_verboseLabel_en-US" xlink:label="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Gross carrying amount </link:label> |
| | <link:label id="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E_label_en-US" xlink:label="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Intangible Assets, Gross </link:label> |
| | <link:label id="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E_documentation_en-US" xlink:label="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the gross carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_OtherIntangibleAssetsGross" xlink:label="loc_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:to="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:type="arc"/> |
| | <link:label id="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732_negatedLabel_en-US" xlink:label="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accumulated amortization </link:label> |
| | <link:label id="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732_label_en-US" xlink:label="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Intangible Assets Accumulated Amortization </link:label> |
| | <link:label id="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732_documentation_en-US" xlink:label="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Intangible Assets Accumulated Amortization. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_OtherIntangibleAssetsAccumulatedAmortization" xlink:label="loc_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:to="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0_totalLabel_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Carrying value </link:label> |
| | <link:label id="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0_label_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Intangible Assets, Net </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:to="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C_terseLabel_en-US" xlink:label="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Indefinite-lived tradenames </link:label> |
| | <link:label id="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C_label_en-US" xlink:label="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Indefinite-Lived Trade Names </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedTradeNames" xlink:label="loc_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:to="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense for customer relationships and other intangibles </link:label> |
| | <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B_label_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Intangible Assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B" xlink:to="lab_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4AAFC14010258DBE65CF3F58981D2C1D_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4AAFC14010258DBE65CF3F58981D2C1D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated amortization expense </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4AAFC14010258DBE65CF3F58981D2C1D_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4AAFC14010258DBE65CF3F58981D2C1D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4AAFC14010258DBE65CF3F58981D2C1D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4AAFC14010258DBE65CF3F58981D2C1D" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4AAFC14010258DBE65CF3F58981D2C1D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Two </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Three </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Four </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Five </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of financial information regarding the entity's reportable segments </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of information regarding the geographic areas of entity's operations </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E" xlink:to="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F0BF9DED4B48620E73979125BD241EDB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F0BF9DED4B48620E73979125BD241EDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of quarterly financial data </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F0BF9DED4B48620E73979125BD241EDB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F0BF9DED4B48620E73979125BD241EDB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F0BF9DED4B48620E73979125BD241EDB" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_3487629B2A26B06E9DAA9125BCF14EF7_label_en-US" xlink:label="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_3487629B2A26B06E9DAA9125BCF14EF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Benefits [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_3487629B2A26B06E9DAA9125BCF14EF7" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_A5FA4D4CEE558A7630219125BCF17364_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_A5FA4D4CEE558A7630219125BCF17364" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 401(k) Plan </link:label> |
| | <link:label id="lab_us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_A5FA4D4CEE558A7630219125BCF17364_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_A5FA4D4CEE558A7630219125BCF17364" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract" xlink:label="loc_us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_A5FA4D4CEE558A7630219125BCF17364" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_BBF98DD96807C3F935979125BCF2FA88_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_BBF98DD96807C3F935979125BCF2FA88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employer matching contribution (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_BBF98DD96807C3F935979125BCF2FA88_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_BBF98DD96807C3F935979125BCF2FA88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_BBF98DD96807C3F935979125BCF2FA88" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_889C23BED080422F8E1C9125BCF29075_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_889C23BED080422F8E1C9125BCF29075" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum percentage of participant's compensation for employer contribution match </link:label> |
| | <link:label id="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_889C23BED080422F8E1C9125BCF29075_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_889C23BED080422F8E1C9125BCF29075" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:label="loc_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_889C23BED080422F8E1C9125BCF29075" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage_88FC0319CDBF765C0C1E9125BCF238BE_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage_88FC0319CDBF765C0C1E9125BCF238BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Participant's vesting percentage in employer contribution </link:label> |
| | <link:label id="lab_us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage_88FC0319CDBF765C0C1E9125BCF238BE_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage_88FC0319CDBF765C0C1E9125BCF238BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage" xlink:label="loc_us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage_88FC0319CDBF765C0C1E9125BCF238BE" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DefinedContributionPlanCostRecognized_894B561D5C0E339A0F789125BCF2871A_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized_894B561D5C0E339A0F789125BCF2871A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Cost </link:label> |
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| | <link:label id="lab_us-gaap_AccountingPoliciesAbstract_3945E33403C3AADE2B73444991235475_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_3945E33403C3AADE2B73444991235475" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Policies [Abstract] </link:label> |
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| | <link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_9D9D18CC5E6140D4927044499123BA6C_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_9D9D18CC5E6140D4927044499123BA6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of significant accounting policies </link:label> |
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| | <link:label id="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:to="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Segments </link:label> |
| | <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment </link:label> |
| | <link:label id="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:to="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:type="arc"/> |
| | <link:label id="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A_terseLabel_en-US" xlink:label="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ADESA Auctions </link:label> |
| | <link:label id="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A_label_en-US" xlink:label="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ADESA Auctions [Member] </link:label> |
| | <link:label id="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A_documentation_en-US" xlink:label="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the operating segment of the entity, ADESA, Inc.. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ADESAAuctionsMember" xlink:label="loc_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:to="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label> |
| | <link:label id="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC_label_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:to="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in goodwill </link:label> |
| | <link:label id="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Roll Forward] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:to="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77_periodStartLabel_en-US" xlink:label="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at the beginning of the year </link:label> |
| | <link:label id="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77_label_en-US" xlink:label="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:to="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase for acquisition activity </link:label> |
| | <link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0_label_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Acquired During Period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0" xlink:to="lab_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label> |
| | <link:label id="lab_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A_label_en-US" xlink:label="lab_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Other Increase (Decrease) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillOtherIncreaseDecrease" xlink:label="loc_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A" xlink:to="lab_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_Goodwill_93BE945BE85F7124ABA8213B1F8AF40E_periodEndLabel_en-US" xlink:label="lab_us-gaap_Goodwill_93BE945BE85F7124ABA8213B1F8AF40E" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at the end of the year </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_93BE945BE85F7124ABA8213B1F8AF40E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_93BE945BE85F7124ABA8213B1F8AF40E" xlink:to="lab_us-gaap_Goodwill_93BE945BE85F7124ABA8213B1F8AF40E" xlink:type="arc"/> |
| | <link:label id="lab_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B_label_en-US" xlink:label="lab_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental balance sheet information related to leases [Abstract] </link:label> |
| | <link:label id="lab_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B_documentation_en-US" xlink:label="lab_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Supplemental balance sheet information related to leases [Abstract] </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract" xlink:label="loc_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B" xlink:to="lab_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule Of Supplemental Balance Sheet Information Related To Leases </link:label> |
| | <link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33_label_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Supplemental Balance Sheet Information Related To Leases [Table] </link:label> |
| | <link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33_documentation_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of supplemental balance sheet information related to leases. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable" xlink:label="loc_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:to="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location </link:label> |
| | <link:label id="lab_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13" xlink:to="lab_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location </link:label> |
| | <link:label id="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:to="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:type="arc"/> |
| | <link:label id="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65_terseLabel_en-US" xlink:label="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease </link:label> |
| | <link:label id="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65_label_en-US" xlink:label="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating lease [Member] </link:label> |
| | <link:label id="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65_documentation_en-US" xlink:label="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Operating lease </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_OperatingleaseMember" xlink:label="loc_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:to="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:type="arc"/> |
| | <link:label id="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968_terseLabel_en-US" xlink:label="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance lease </link:label> |
| | <link:label id="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968_label_en-US" xlink:label="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance lease [Member] </link:label> |
| | <link:label id="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968_documentation_en-US" xlink:label="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Finance lease </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FinanceleaseMember" xlink:label="loc_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:to="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229_terseLabel_en-US" xlink:label="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of supplemental balance sheet information related to leases </link:label> |
| | <link:label id="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229_label_en-US" xlink:label="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of supplemental balance sheet information related to leases [Line Items] </link:label> |
| | <link:label id="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229_documentation_en-US" xlink:label="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of supplemental balance sheet information related to leases </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems" xlink:label="loc_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:to="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease right-of-use assets </link:label> |
| | <link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Right-of-Use Asset </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:to="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other accrued expenses </link:label> |
| | <link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7_label_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Accrued Liabilities, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:to="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease liabilities </link:label> |
| | <link:label id="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Liability, Noncurrent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:to="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total operating lease liabilities </link:label> |
| | <link:label id="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Liability </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:to="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, gross </link:label> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Gross </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation </link:label> |
| | <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net </link:label> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Net </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other liabilities </link:label> |
| | <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Liabilities, Noncurrent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total finance lease liabilities </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:label="loc_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:to="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average remaining lease term for operating leases </link:label> |
| | <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Weighted Average Remaining Lease Term </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:to="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average remaining lease term for finance leases </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Weighted Average Remaining Lease Term </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="loc_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9" xlink:to="lab_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average discount rate for operating leases </link:label> |
| | <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Weighted Average Discount Rate, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C" xlink:to="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average discount rate for finance leases </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Weighted Average Discount Rate, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:label="loc_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787" xlink:to="lab_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_52FA6FCF199E21974536213B207F3D4F_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_52FA6FCF199E21974536213B207F3D4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_52FA6FCF199E21974536213B207F3D4F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_52FA6FCF199E21974536213B207F3D4F" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_52FA6FCF199E21974536213B207F3D4F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating activities </link:label> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label> |
| | <link:label id="lab_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Income (Loss) Attributable to Parent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49" xlink:to="lab_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Net income from discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net income to net cash provided by operating activities: </link:label> |
| | <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label> |
| | <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation, Depletion and Amortization </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0" xlink:type="arc"/> |
| | <link:label id="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1_terseLabel_en-US" xlink:label="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provision for credit losses </link:label> |
| | <link:label id="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1_label_en-US" xlink:label="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Provision for Credit Losses Including Bad Debt Expense for Trade Receivables and Finance Receivables </link:label> |
| | <link:label id="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1_documentation_en-US" xlink:label="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Provision for credit losses, including bad debt expense for trade receivables and finance receivables. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables" xlink:label="loc_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:to="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label> |
| | <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Income Tax Expense (Benefit) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of debt issuance costs </link:label> |
| | <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Issuance Costs </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9" xlink:to="lab_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Noncash Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693" xlink:to="lab_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_0BC4C2AB6EE0DE182837213B2082DAC0_negatedLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_0BC4C2AB6EE0DE182837213B2082DAC0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Loss (gain) on disposal of fixed assets </link:label> |
| | <link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_0BC4C2AB6EE0DE182837213B2082DAC0_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_0BC4C2AB6EE0DE182837213B2082DAC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Disposition of Property Plant Equipment </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_0BC4C2AB6EE0DE182837213B2082DAC0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_0BC4C2AB6EE0DE182837213B2082DAC0" xlink:to="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_0BC4C2AB6EE0DE182837213B2082DAC0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_11AA97FBC9615A824481213B20827EB1_negatedLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_11AA97FBC9615A824481213B20827EB1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Loss on extinguishment of debt </link:label> |
| | <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_11AA97FBC9615A824481213B20827EB1_label_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_11AA97FBC9615A824481213B20827EB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Extinguishment of Debt </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_11AA97FBC9615A824481213B20827EB1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_11AA97FBC9615A824481213B20827EB1" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_11AA97FBC9615A824481213B20827EB1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_F00BB7D37ED5BCAB8697213B20823A25_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_F00BB7D37ED5BCAB8697213B20823A25" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Gain on previously held equity interest value </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain" xlink:label="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_F00BB7D37ED5BCAB8697213B20823A25" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other non-cash, net </link:label> |
| | <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Noncash Income (Expense) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070" xlink:to="lab_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in operating assets and liabilities, net of acquisitions: </link:label> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Operating Capital [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Trade receivables and other assets </link:label> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Receivable and Other Operating Assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable and accrued expenses </link:label> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Payable and Accrued Liabilities </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities - continuing operations </link:label> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities, Continuing Operations </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities - discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Provided by (Used in) Operating Activities, Discontinued Operations </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:to="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investing activities </link:label> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Net increase in finance receivables held for investment </link:label> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Finance Receivables </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInFinanceReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:to="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Acquisition of businesses (net of cash acquired) </link:label> |
| | <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Businesses, Net of Cash Acquired </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchases of property, equipment and computer software </link:label> |
| | <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Productive Assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0" xlink:to="lab_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Advance to equity method investee </link:label> |
| | <link:label id="lab_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Collection of (Payments to Fund) Long-term Loans to Related Parties </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties" xlink:label="loc_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546" xlink:to="lab_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used by investing activities - continuing operations </link:label> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities, Continuing Operations </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash used by investing activities - discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Provided by (Used in) Investing Activities, Discontinued Operations </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:to="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financing activities </link:label> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net decrease in book overdrafts </link:label> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Book Overdrafts </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInBookOverdrafts" xlink:label="loc_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:to="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net increase (decrease) in borrowings from lines of credit </link:label> |
| | <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Repayments of) Lines of Credit </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:to="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net increase in obligations collateralized by finance receivables </link:label> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Securities Loaned Transactions </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions" xlink:label="loc_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:to="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from long-term debt </link:label> |
| | <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Long-term Debt </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments for debt issuance costs/amendments </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments on long-term debt </link:label> |
| | <link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Long-term Debt </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments on finance leases </link:label> |
| | <link:label id="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Long-term Capital Lease Obligations </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:label="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:to="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:type="arc"/> |
| | <link:label id="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531_negatedLabel_en-US" xlink:label="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments of contingent consideration and deferred acquisition costs </link:label> |
| | <link:label id="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531_label_en-US" xlink:label="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Contingent Consideration and deferred Acquisition Costs </link:label> |
| | <link:label id="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531_documentation_en-US" xlink:label="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> This element represents payments of contingent consideration and deferred acquisition costs for the period. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts" xlink:label="loc_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:to="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Initial net investment for interest rate caps </link:label> |
| | <link:label id="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Derivative Issuance Costs </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDerivativeIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:to="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance of common stock under stock plans </link:label> |
| | <link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Tax withholding payments for vested RSUs </link:label> |
| | <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD_label_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payment, Tax Withholding, Share-based Payment Arrangement </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:to="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Repurchase and retirement of common stock </link:label> |
| | <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Repurchase of Common Stock </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Dividends paid to stockholders </link:label> |
| | <link:label id="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063_label_en-US" xlink:label="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Ordinary Dividends </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfOrdinaryDividends" xlink:label="loc_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:to="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:type="arc"/> |
| | <link:label id="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD_negatedTerseLabel_en-US" xlink:label="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Cash transferred to IAA </link:label> |
| | <link:label id="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD_label_en-US" xlink:label="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Transferred to IAA </link:label> |
| | <link:label id="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD_documentation_en-US" xlink:label="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cash Transferred to IAA as a result of the Spin-off. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CashTransferredtoIAA" xlink:label="loc_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:to="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used by financing activities - continuing operations </link:label> |
| | <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities, Continuing Operations </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by (used by) financing activities - discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Provided by (Used in) Financing Activities, Discontinued Operations </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:to="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of exchange rate changes on cash </link:label> |
| | <link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of Exchange Rate on Cash and Cash Equivalents </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:to="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC_totalLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net increase in cash, cash equivalents, and restricted cash </link:label> |
| | <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Cash, cash equivalents and restricted cash at beginning of period </link:label> |
| | <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid for interest, net of proceeds from interest rate caps </link:label> |
| | <link:label id="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE_label_en-US" xlink:label="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid, Including Capitalized Interest, Operating and Investing Activities </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:to="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement </link:label> |
| | <link:label id="lab_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6_label_en-US" xlink:label="lab_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Name </link:label> |
| | <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Name [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Name </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Name [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:to="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations </link:label> |
| | <link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F_label_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:label="loc_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F" xlink:type="locator"/> |
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| | <link:label id="lab_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392_terseLabel_en-US" xlink:label="lab_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restatement </link:label> |
| | <link:label id="lab_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392_label_en-US" xlink:label="lab_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restatement [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RestatementAxis" xlink:label="loc_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392" xlink:type="locator"/> |
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| | <link:label id="lab_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A_terseLabel_en-US" xlink:label="lab_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restatement </link:label> |
| | <link:label id="lab_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A_label_en-US" xlink:label="lab_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restatement [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RestatementDomain" xlink:label="loc_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement </link:label> |
| | <link:label id="lab_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_IncomeTaxesPaidNet_2A63AE2404945FDED2F6213B208A9B65_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_2A63AE2404945FDED2F6213B208A9B65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid for taxes, net of refunds </link:label> |
| | <link:label id="lab_us-gaap_IncomeTaxesPaidNet_2A63AE2404945FDED2F6213B208A9B65_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_2A63AE2404945FDED2F6213B208A9B65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes Paid, Net </link:label> |
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| | <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_AE1253B69A9537329FE9213B208ACEF0_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_AE1253B69A9537329FE9213B208ACEF0" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash, cash equivalents and restricted cash at end of period </link:label> |
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| | <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Organization, Consolidation and Presentation of Financial Statements [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7" xlink:type="arc"/> |
| | <link:label id="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB_terseLabel_en-US" xlink:label="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Details </link:label> |
| | <link:label id="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB_label_en-US" xlink:label="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Details [Table] </link:label> |
| | <link:label id="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB_documentation_en-US" xlink:label="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to various accounting policies of the entity. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_BusinessDetailsTable" xlink:label="loc_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:to="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:type="arc"/> |
| | <link:label id="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742_terseLabel_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement </link:label> |
| | <link:label id="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742_label_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement [Axis] </link:label> |
| | <link:label id="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742_documentation_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement [Axis] </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_LongtermDebtCreditAgreementAxis" xlink:label="loc_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:to="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:type="arc"/> |
| | <link:label id="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9_terseLabel_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement </link:label> |
| | <link:label id="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9_label_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement [Domain] </link:label> |
| | <link:label id="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9_documentation_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Domain] for Long-term Debt, Credit Agreement [Axis] </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_LongtermDebtCreditAgreementDomain" xlink:label="loc_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:to="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:type="arc"/> |
| | <link:label id="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4_terseLabel_en-US" xlink:label="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Agreement </link:label> |
| | <link:label id="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4_label_en-US" xlink:label="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Agreement [Member] </link:label> |
| | <link:label id="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4_documentation_en-US" xlink:label="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents details pertaining to the Credit Agreement. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CreditAgreementMember" xlink:label="loc_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:to="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type </link:label> |
| | <link:label id="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:to="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type </link:label> |
| | <link:label id="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:to="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:type="arc"/> |
| | <link:label id="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D_terseLabel_en-US" xlink:label="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan B-6 </link:label> |
| | <link:label id="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D_label_en-US" xlink:label="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan B-6 [Member] </link:label> |
| | <link:label id="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D_documentation_en-US" xlink:label="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents details pertaining to Term Loan B-6 due on September 19, 2026. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_TermLoanB6Member" xlink:label="loc_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:to="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior secured revolving credit facility </link:label> |
| | <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72_terseLabel_en-US" xlink:label="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior Notes </link:label> |
| | <link:label id="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72_label_en-US" xlink:label="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Notes [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:to="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:type="arc"/> |
| | <link:label id="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139_terseLabel_en-US" xlink:label="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2016 Revolving credit facility </link:label> |
| | <link:label id="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139_label_en-US" xlink:label="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> 2016 Revolving Credit Facility [Member] </link:label> |
| | <link:label id="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139_documentation_en-US" xlink:label="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Previous arrangement under which loan proceeds could continuously be obtained following repayments, but the total amount borrowed could not exceed a specified maximum amount. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_A2016RevolvingCreditFacilityMember" xlink:label="loc_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:to="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:type="arc"/> |
| | <link:label id="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D_terseLabel_en-US" xlink:label="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2017 Revolving Credit Facility </link:label> |
| | <link:label id="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D_label_en-US" xlink:label="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> 2017 Revolving Credit Facility [Member] </link:label> |
| | <link:label id="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D_documentation_en-US" xlink:label="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> A previous arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_A2017RevolvingCreditFacilityMember" xlink:label="loc_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:to="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:type="arc"/> |
| | <link:label id="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C_terseLabel_en-US" xlink:label="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Organization and Other Matters </link:label> |
| | <link:label id="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C_label_en-US" xlink:label="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Details [Line Items] </link:label> |
| | <link:label id="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C_documentation_en-US" xlink:label="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_BusinessDetailsLineItems" xlink:label="loc_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:to="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Gross </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum borrowing capacity </link:label> |
| | <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Maximum Borrowing Capacity </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior notes stated interest rate </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Stated Percentage </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:type="arc"/> |
| | <link:label id="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372_terseLabel_en-US" xlink:label="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of sites for whole car auctions </link:label> |
| | <link:label id="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372_label_en-US" xlink:label="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Sites for Whole Car Auctions </link:label> |
| | <link:label id="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372_documentation_en-US" xlink:label="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of sites for whole car auctions. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_NumberOfSitesForWholeCarAuctions" xlink:label="loc_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:to="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:type="arc"/> |
| | <link:label id="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076_terseLabel_en-US" xlink:label="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Ranking of largest providers of used vehicle auctions and related services </link:label> |
| | <link:label id="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076_label_en-US" xlink:label="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ranking of Largest Providers of Used Vehicle Auctions and Related Services </link:label> |
| | <link:label id="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076_documentation_en-US" xlink:label="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents ADESA's rank among the largest providers of used vehicle auctions and related services. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices" xlink:label="loc_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:to="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:type="arc"/> |
| | <link:label id="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7_terseLabel_en-US" xlink:label="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of floorplan financing locations </link:label> |
| | <link:label id="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7_label_en-US" xlink:label="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Locations for Floorplan Financing </link:label> |
| | <link:label id="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7_documentation_en-US" xlink:label="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of locations through which floorplan financing was provided. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_NumberOfLocationsForFloorplanFinancing" xlink:label="loc_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:to="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of operating segments </link:label> |
| | <link:label id="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748_label_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Operating Segments </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="loc_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:to="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of reportable segments </link:label> |
| | <link:label id="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000_label_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Reportable Segments </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:to="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Activities </link:label> |
| | <link:label id="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049_label_en-US" xlink:label="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Activities [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:to="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Activities </link:label> |
| | <link:label id="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF_label_en-US" xlink:label="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Activities [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:to="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Continuing Operations </link:label> |
| | <link:label id="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD_label_en-US" xlink:label="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Continuing Operations [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentContinuingOperationsMember" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:to="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:type="arc"/> |
| | <link:label id="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526_terseLabel_en-US" xlink:label="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation Items </link:label> |
| | <link:label id="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526_label_en-US" xlink:label="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:to="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:type="arc"/> |
| | <link:label id="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D_terseLabel_en-US" xlink:label="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation Items </link:label> |
| | <link:label id="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D_label_en-US" xlink:label="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:to="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Segments </link:label> |
| | <link:label id="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E_label_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Segments [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:to="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Holding Company </link:label> |
| | <link:label id="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58_label_en-US" xlink:label="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corporate, Non-Segment [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:to="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Information </link:label> |
| | <link:label id="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:to="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating expenses </link:label> |
| | <link:label id="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:to="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of services (exclusive of depreciation and amortization) </link:label> |
| | <link:label id="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:to="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general and administrative </link:label> |
| | <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling, General and Administrative Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label> |
| | <link:label id="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE_label_en-US" xlink:label="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Costs and Expenses </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:to="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating profit </link:label> |
| | <link:label id="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:to="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label> |
| | <link:label id="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C_label_en-US" xlink:label="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:to="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:type="arc"/> |
| | <link:label id="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683_negatedTerseLabel_en-US" xlink:label="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Intercompany expense (income) </link:label> |
| | <link:label id="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683_label_en-US" xlink:label="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intercompany Income (Expense) </link:label> |
| | <link:label id="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683_documentation_en-US" xlink:label="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of income (expense) recognized under intercompany transactions. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_IntercompanyIncomeExpense" xlink:label="loc_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:to="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations before income taxes </link:label> |
| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income taxes </link:label> |
| | <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Expense (Benefit) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net income from continuing operations </link:label> |
| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76_terseLabel_en-US" xlink:label="lab_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label> |
| | <link:label id="lab_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76_label_en-US" xlink:label="lab_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76" xlink:to="lab_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_255D1725B0D6D186430654CE3D348DDD_verboseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_255D1725B0D6D186430654CE3D348DDD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Capital expenditures </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_255D1725B0D6D186430654CE3D348DDD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireProductiveAssets_255D1725B0D6D186430654CE3D348DDD" xlink:to="lab_us-gaap_PaymentsToAcquireProductiveAssets_255D1725B0D6D186430654CE3D348DDD" xlink:type="arc"/> |
| | <link:label id="lab_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D_label_en-US" xlink:label="lab_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allowance for Credit Losses and Doubtful Accounts [Abstract] </link:label> |
| | <link:label id="lab_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D_documentation_en-US" xlink:label="lab_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract" xlink:label="loc_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D" xlink:to="lab_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_D318B70C7417139620F4213B1FB197F4_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_D318B70C7417139620F4213B1FB197F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Accounts, Notes, Loans and Financing Receivable </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_D318B70C7417139620F4213B1FB197F4_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_D318B70C7417139620F4213B1FB197F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Accounts, Notes, Loans and Financing Receivable [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_D318B70C7417139620F4213B1FB197F4" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_2959F7743195D1C8C8E2213B1FB2C91E_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_2959F7743195D1C8C8E2213B1FB2C91E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Receivable Type </link:label> |
| | <link:label id="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_2959F7743195D1C8C8E2213B1FB2C91E_label_en-US" xlink:label="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_2959F7743195D1C8C8E2213B1FB2C91E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Receivable Type [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_2959F7743195D1C8C8E2213B1FB2C91E" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ReceivableTypeDomain_F710B94C01B4BFC77568213B1FB23A61_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivableTypeDomain_F710B94C01B4BFC77568213B1FB23A61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Receivable Type </link:label> |
| | <link:label id="lab_us-gaap_ReceivableTypeDomain_F710B94C01B4BFC77568213B1FB23A61_label_en-US" xlink:label="lab_us-gaap_ReceivableTypeDomain_F710B94C01B4BFC77568213B1FB23A61" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Receivable [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain_F710B94C01B4BFC77568213B1FB23A61" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_FinanceReceivablesMember_561EAE2B93686B743F83213B1FB292E2_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceReceivablesMember_561EAE2B93686B743F83213B1FB292E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance receivables </link:label> |
| | <link:label id="lab_us-gaap_FinanceReceivablesMember_561EAE2B93686B743F83213B1FB292E2_label_en-US" xlink:label="lab_us-gaap_FinanceReceivablesMember_561EAE2B93686B743F83213B1FB292E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceReceivablesMember" xlink:label="loc_us-gaap_FinanceReceivablesMember_561EAE2B93686B743F83213B1FB292E2" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_TradeAccountsReceivableMember_9F976E8C3BF94DAA6505213B1FB3729B_terseLabel_en-US" xlink:label="lab_us-gaap_TradeAccountsReceivableMember_9F976E8C3BF94DAA6505213B1FB3729B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade receivables </link:label> |
| | <link:label id="lab_us-gaap_TradeAccountsReceivableMember_9F976E8C3BF94DAA6505213B1FB3729B_label_en-US" xlink:label="lab_us-gaap_TradeAccountsReceivableMember_9F976E8C3BF94DAA6505213B1FB3729B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trade Accounts Receivable [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradeAccountsReceivableMember" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_9F976E8C3BF94DAA6505213B1FB3729B" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_3528AF3102CC71EDD642213B1FB35570_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_3528AF3102CC71EDD642213B1FB35570" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Allowance for Credit Losses and Doubtful Accounts </link:label> |
| | <link:label id="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_3528AF3102CC71EDD642213B1FB35570_label_en-US" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_3528AF3102CC71EDD642213B1FB35570" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts, Notes, Loans and Financing Receivable [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_3528AF3102CC71EDD642213B1FB35570" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_34FDE612CF4A5DE65AD4213B1FB3DFCD_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_34FDE612CF4A5DE65AD4213B1FB3DFCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of the changes in the allowance for credit losses and doubtful accounts </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_34FDE612CF4A5DE65AD4213B1FB3DFCD_label_en-US" xlink:label="lab_us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_34FDE612CF4A5DE65AD4213B1FB3DFCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Current, Allowance for Credit Loss [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_34FDE612CF4A5DE65AD4213B1FB3DFCD" xlink:type="locator"/> |
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| | <link:label id="lab_kar_ScheduleOfSignificantAccountingPoliciesTable_F823D80223F1C33481AD5D89F7520E6E_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfSignificantAccountingPoliciesTable_F823D80223F1C33481AD5D89F7520E6E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Significant Accounting Policies </link:label> |
| | <link:label id="lab_kar_ScheduleOfSignificantAccountingPoliciesTable_F823D80223F1C33481AD5D89F7520E6E_label_en-US" xlink:label="lab_kar_ScheduleOfSignificantAccountingPoliciesTable_F823D80223F1C33481AD5D89F7520E6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Significant Accounting Policies [Table] </link:label> |
| | <link:label id="lab_kar_ScheduleOfSignificantAccountingPoliciesTable_F823D80223F1C33481AD5D89F7520E6E_documentation_en-US" xlink:label="lab_kar_ScheduleOfSignificantAccountingPoliciesTable_F823D80223F1C33481AD5D89F7520E6E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of information pertaining to all significant accounting policies of the reporting entity. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfSignificantAccountingPoliciesTable" xlink:label="loc_kar_ScheduleOfSignificantAccountingPoliciesTable_F823D80223F1C33481AD5D89F7520E6E" xlink:type="locator"/> |
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| | <link:label id="lab_srt_StatementScenarioAxis_08E4D42EA243B7D8C1DE5D89F75305A0_label_en-US" xlink:label="lab_srt_StatementScenarioAxis_08E4D42EA243B7D8C1DE5D89F75305A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementScenarioAxis" xlink:label="loc_srt_StatementScenarioAxis_08E4D42EA243B7D8C1DE5D89F75305A0" xlink:type="locator"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="loc_srt_ScenarioUnspecifiedDomain_F66C0367374E65BDB8EB5D89F7530357" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_3FAE5717CA1267F5D4EA5D89F75483B1_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_3FAE5717CA1267F5D4EA5D89F75483B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments for New Accounting Pronouncements </link:label> |
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| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingStandardsUpdate201409Member_CF05163CCFAAA35FEC335D89F7550A18" xlink:to="lab_us-gaap_AccountingStandardsUpdate201409Member_CF05163CCFAAA35FEC335D89F7550A18" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351_terseLabel_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-13 </link:label> |
| | <link:label id="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351_label_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-13 [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201613Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:to="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:type="arc"/> |
| | <link:label id="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3_terseLabel_en-US" xlink:label="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PWI </link:label> |
| | <link:label id="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3_label_en-US" xlink:label="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> PWI [Member] </link:label> |
| | <link:label id="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3_documentation_en-US" xlink:label="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> PWI </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_PWIMember" xlink:label="loc_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:to="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:type="arc"/> |
| | <link:label id="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56_terseLabel_en-US" xlink:label="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Significant Accounting Policies </link:label> |
| | <link:label id="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56_label_en-US" xlink:label="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Significant Accounting Policies [Line Items] </link:label> |
| | <link:label id="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56_documentation_en-US" xlink:label="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SignificantAccountingPoliciesLineItems" xlink:label="loc_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:to="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Segments </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239" xlink:to="lab_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Currency Translation </link:label> |
| | <link:label id="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Translation [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyTranslationAbstract" xlink:label="loc_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:to="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency transaction gain (loss) </link:label> |
| | <link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Transaction Gain (Loss), before Tax </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:to="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted Cash </link:label> |
| | <link:label id="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Cash and Investments [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCashAndInvestmentsAbstract" xlink:label="loc_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:to="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:type="arc"/> |
| | <link:label id="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C_verboseLabel_en-US" xlink:label="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash reserve as security for the receivables sold (as a percent) </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CashReserveAsPercentageOfFinancingReceivableSecuritized" xlink:label="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C" xlink:to="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C" xlink:type="arc"/> |
| | <link:label id="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178_terseLabel_en-US" xlink:label="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash reserve as security for the receivables sold - circumstance two (as a percent) </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo" xlink:label="loc_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178" xlink:to="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Receivables </link:label> |
| | <link:label id="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB_label_en-US" xlink:label="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Receivables [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="loc_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:to="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:type="arc"/> |
| | <link:label id="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F_terseLabel_en-US" xlink:label="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Predetermined time period for financing receivables to become due </link:label> |
| | <link:label id="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F_label_en-US" xlink:label="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Period for Financing Receivables to Become Due </link:label> |
| | <link:label id="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F_documentation_en-US" xlink:label="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the period in which the financing receivables become due. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_PeriodForFinancingReceivablesToBecomeDue" xlink:label="loc_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:to="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6_terseLabel_en-US" xlink:label="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Leases </link:label> |
| | <link:label id="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6_label_en-US" xlink:label="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leases [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:to="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts Payable </link:label> |
| | <link:label id="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Current [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableCurrentAbstract" xlink:label="loc_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:to="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:type="arc"/> |
| | <link:label id="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798_terseLabel_en-US" xlink:label="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Book overdrafts </link:label> |
| | <link:label id="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798_label_en-US" xlink:label="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Book Overdrafts </link:label> |
| | <link:label id="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798_documentation_en-US" xlink:label="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the outstanding checks in excess of funds on deposit as of the balance sheet date. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_BookOverdrafts" xlink:label="loc_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:to="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue Recognition </link:label> |
| | <link:label id="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue Recognition [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:label="loc_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:to="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cumulative effect adjustment for adoption of new accounting standard, net of tax </link:label> |
| | <link:label id="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xlink:label="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:to="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes </link:label> |
| | <link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:type="arc"/> |
| | <link:label id="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE_terseLabel_en-US" xlink:label="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recognized income tax positions measured at largest amount greater than specified percentage being realized </link:label> |
| | <link:label id="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE_label_en-US" xlink:label="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Recognized Income Tax Positions Measured At Largest Amount Greater Than Specified Percentage Being Realized </link:label> |
| | <link:label id="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE_documentation_en-US" xlink:label="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Recognized income tax positions are measured at the largest amount greater than specified percentage likely of being realized. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized" xlink:label="loc_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:to="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E_terseLabel_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating revenues </link:label> |
| | <link:label id="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E_label_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:to="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61_terseLabel_en-US" xlink:label="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest and fee income </link:label> |
| | <link:label id="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61_label_en-US" xlink:label="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest and Fee Income, Loans and Leases </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestAndFeeIncomeLoansAndLeases" xlink:label="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:to="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:type="arc"/> |
| | <link:label id="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC_terseLabel_en-US" xlink:label="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other revenue </link:label> |
| | <link:label id="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC_label_en-US" xlink:label="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Afc other revenues </link:label> |
| | <link:label id="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC_documentation_en-US" xlink:label="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Afc other revenues </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_Afcotherrevenues" xlink:label="loc_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:to="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B_negatedLabel_en-US" xlink:label="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Provision for credit losses </link:label> |
| | <link:label id="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B_label_en-US" xlink:label="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Provision for Loan and Lease Losses </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProvisionForLoanAndLeaseLosses" xlink:label="loc_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:to="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:type="arc"/> |
| | <link:label id="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C_terseLabel_en-US" xlink:label="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Warranty Contract Revenue </link:label> |
| | <link:label id="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C_label_en-US" xlink:label="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Warranty Contract Revenue </link:label> |
| | <link:label id="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C_documentation_en-US" xlink:label="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Warranty Contract Revenue </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_WarrantyContractRevenue" xlink:label="loc_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:to="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:type="arc"/> |
| | <link:label id="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A_totalLabel_en-US" xlink:label="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> AFC revenues (finance-related revenue) </link:label> |
| | <link:label id="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A_label_en-US" xlink:label="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance-related Revenue </link:label> |
| | <link:label id="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A_documentation_en-US" xlink:label="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Finance-related revenue </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FinancerelatedRevenue" xlink:label="loc_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:to="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:type="arc"/> |
| | <link:label id="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7_terseLabel_en-US" xlink:label="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PWI average term of contracts originated </link:label> |
| | <link:label id="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7_label_en-US" xlink:label="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> PWI Contract Term </link:label> |
| | <link:label id="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7_documentation_en-US" xlink:label="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Average term of contracts originated at PWI. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_PWIContractTerm" xlink:label="loc_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:to="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PWI unearned revenue </link:label> |
| | <link:label id="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99_label_en-US" xlink:label="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Revenue </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="loc_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:to="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:type="arc"/> |
| | <link:label id="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E_terseLabel_en-US" xlink:label="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchased vehicles sold as a percentage of total vehicles sold </link:label> |
| | <link:label id="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E_label_en-US" xlink:label="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchased vehicles sold as a percentage of total vehicles sold </link:label> |
| | <link:label id="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E_documentation_en-US" xlink:label="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Purchased vehicles sold as a percentage of total vehicles sold </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold" xlink:label="loc_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:to="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements and Changes in Accounting Principles </link:label> |
| | <link:label id="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements and Changes in Accounting Principles [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:label="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:to="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated increase in allowance for credit losses from adopting ASU 2016-13 </link:label> |
| | <link:label id="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Change in Method, Credit Loss Expense (Reversal) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal" xlink:label="loc_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:to="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Property, Plant and Equipment </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:to="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type </link:label> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type </link:label> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2_terseLabel_en-US" xlink:label="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Land </link:label> |
| | <link:label id="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2_label_en-US" xlink:label="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Land [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:to="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B_terseLabel_en-US" xlink:label="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Buildings </link:label> |
| | <link:label id="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B_label_en-US" xlink:label="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:to="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF_terseLabel_en-US" xlink:label="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Land improvements </link:label> |
| | <link:label id="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF_label_en-US" xlink:label="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Land Improvements [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LandImprovementsMember" xlink:label="loc_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:to="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:type="arc"/> |
| | <link:label id="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7_terseLabel_en-US" xlink:label="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Building and leasehold improvements </link:label> |
| | <link:label id="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7_label_en-US" xlink:label="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building and Leasehold Improvements [Member] </link:label> |
| | <link:label id="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7_documentation_en-US" xlink:label="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the facility held for productive use including, but not limited to, office, production, storage and distribution facilities and additions or improvements to assets held under a lease arrangement. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_BuildingAndLeaseholdImprovementsMember" xlink:label="loc_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:to="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:type="arc"/> |
| | <link:label id="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373_terseLabel_en-US" xlink:label="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Furniture, fixtures and equipment </link:label> |
| | <link:label id="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373_label_en-US" xlink:label="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Furniture, Fixtures and Equipment [Member] </link:label> |
| | <link:label id="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373_documentation_en-US" xlink:label="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities and tangible personal property used to produce goods and services. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FurnitureFixturesAndEquipmentMember" xlink:label="loc_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:to="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750_terseLabel_en-US" xlink:label="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vehicles </link:label> |
| | <link:label id="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750_label_en-US" xlink:label="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vehicles [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VehiclesMember" xlink:label="loc_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:to="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Construction in progress </link:label> |
| | <link:label id="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction in Progress [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:to="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment </link:label> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF_negatedLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Useful lives </link:label> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Useful Life </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation expense </link:label> |
| | <link:label id="lab_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F_label_en-US" xlink:label="lab_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F" xlink:to="lab_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A_terseLabel_en-US" xlink:label="lab_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Leases </link:label> |
| | <link:label id="lab_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A_label_en-US" xlink:label="lab_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leases of Lessee Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesOfLesseeDisclosureTextBlock" xlink:label="loc_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A" xlink:to="lab_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A" xlink:type="arc"/> |
| | <link:label id="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD_label_en-US" xlink:label="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Reserves [Abstract] </link:label> |
| | <link:label id="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD_documentation_en-US" xlink:label="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SelfInsuranceandRetainedLossReservesAbstract" xlink:label="loc_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:to="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of the changes in the reserves for self-insurance and the retained losses </link:label> |
| | <link:label id="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0_label_en-US" xlink:label="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Reserves for Self Insurance and Retained Losses Roll Forward [Table Text Block] </link:label> |
| | <link:label id="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0_documentation_en-US" xlink:label="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of the changes in reserves for self-insurance and the retained losses. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock" xlink:label="loc_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:to="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in the allowance for credit losses </link:label> |
| | <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Allowance for Credit Loss [Roll Forward] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA_periodStartLabel_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA" xlink:to="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provision for credit losses </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProvisionForLoanAndLeaseLosses" xlink:label="loc_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D" xlink:to="lab_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recoveries </link:label> |
| | <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Allowance for Credit Loss, Recovery </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3_negatedLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less charge-offs </link:label> |
| | <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Allowance for Credit Loss, Writeoff </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48_periodEndLabel_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48" xlink:to="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> KAR Auction Services, Inc. Employee Stock Purchase Plan </link:label> |
| | <link:label id="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32_label_en-US" xlink:label="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="loc_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:to="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum number of shares to be issued pursuant to awards </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Remaining shares available </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discount from fair market value of share (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:type="arc"/> |
| | <link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073_terseLabel_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Participant's combined payroll deductions and cash payments (in dollars) </link:label> |
| | <link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073_label_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement by Share Based Payment Award Aggregate Annual Employee Payroll Deduction and Cash Payment for Stock Purchase </link:label> |
| | <link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073_documentation_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the aggregate annual employee's payroll deductions and cash payments for purchase of shares. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase" xlink:label="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:to="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares outstanding </link:label> |
| | <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average common shares outstanding </link:label> |
| | <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of dilutive stock options and restricted stock awards (in shares) </link:label> |
| | <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392_label_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:to="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Weighted average common shares outstanding and potential common shares </link:label> |
| | <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net income from continuing operations per share </link:label> |
| | <link:label id="lab_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7" xlink:to="lab_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Basic (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Per Basic Share </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Diluted (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Per Diluted Share </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares attributable to stock options excluded from the calculation of diluted net income per share </link:label> |
| | <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3" xlink:type="arc"/> |
| | <link:label id="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534_terseLabel_en-US" xlink:label="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Securities excluded from calculation of earnings per share amount due to performance conditions not yet satisfied </link:label> |
| | <link:label id="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534_label_en-US" xlink:label="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Securities Excluded From Calculation Of Earnings Per Share Amount Due To Performance Conditions Not Yet Satisfied </link:label> |
| | <link:label id="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534_documentation_en-US" xlink:label="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the securities excluded from calculation of earnings per share amount due to performance conditions not yet satisfied. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied" xlink:label="loc_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:to="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock options outstanding (in shares) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C" xlink:type="arc"/> |
| | <link:label id="lab_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30_label_en-US" xlink:label="lab_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financial Instruments [Abstract] </link:label> |
| | <link:label id="lab_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30_documentation_en-US" xlink:label="lab_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FinancialInstrumentsAbstract" xlink:label="loc_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30" xlink:to="lab_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of the fair value of the entity's interest rate derivatives included in the consolidated balance sheet </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC" xlink:to="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of other derivatives not designated as hedging instruments, statements of financial performance </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivatives Not Designated as Hedging Instruments [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E" xlink:to="lab_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E" xlink:type="arc"/> |
| | <link:label id="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA_terseLabel_en-US" xlink:label="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs - Operating Adjusted EPS </link:label> |
| | <link:label id="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA_label_en-US" xlink:label="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> PRSUs - Operating Adjusted EPS [Member] </link:label> |
| | <link:label id="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA_documentation_en-US" xlink:label="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Performance based restricted stock units (PRSUs) with vesting tied to the Company's cumulative Operating Adjusted EPS. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_PRSUsOperatingAdjustedEPSMember" xlink:label="loc_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA" xlink:to="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA" xlink:type="arc"/> |
| | <link:label id="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863_terseLabel_en-US" xlink:label="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exit options </link:label> |
| | <link:label id="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863_label_en-US" xlink:label="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exit Options [Member] </link:label> |
| | <link:label id="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863_documentation_en-US" xlink:label="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to exit options of the entity classified as equity awards. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ExitOptionsMember" xlink:label="loc_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:to="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair market value of vested and exercisable options (in dollars) </link:label> |
| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of Options </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the beginning of the period (in shares) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Granted (in shares) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C_negatedLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Exercised (in shares) </link:label> |
| | <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in shares) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Canceled (in shares) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the end of the period (in shares) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable at the end of the period (in shares) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Exercise Price </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the beginning of the period (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercised (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Canceled (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the end of the period (in dollars per share) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable at the end of the period (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:type="arc"/> |
| | <link:label id="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3_terseLabel_en-US" xlink:label="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Remaining Contractual Term </link:label> |
| | <link:label id="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3_label_en-US" xlink:label="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share based Compensation Arrangement by Share based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] </link:label> |
| | <link:label id="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3_documentation_en-US" xlink:label="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the information pertaining to weighted-average remaining contractual term. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:label="loc_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:to="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the end of the period </link:label> |
| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable at the end of the period </link:label> |
| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41" xlink:type="locator"/> |
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| | <link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C_terseLabel_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate Intrinsic Value </link:label> |
| | <link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C_label_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement by Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] </link:label> |
| | <link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C_documentation_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:label="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:to="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the end of the period (in dollars) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value </link:label> |
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| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable at the end of the period (in dollars) </link:label> |
| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89_terseLabel_en-US" xlink:label="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Closing stock price (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89_label_en-US" xlink:label="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Price </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:to="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total intrinsic value of options exercised (in dollars) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term of award </link:label> |
| | <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and Other Intangible Assets </link:label> |
| | <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:type="arc"/> |
| | <link:label id="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47_label_en-US" xlink:label="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prior Year Leases Under ASC 840 [Abstract] </link:label> |
| | <link:label id="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47_documentation_en-US" xlink:label="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Prior Year Leases Under ASC 840 [Abstract] </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_PriorYearLeasesUnderASC840Abstract" xlink:label="loc_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:to="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Capital Leased Assets </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Capital Leased Assets [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfCapitalLeasedAsssetsTable" xlink:label="loc_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:to="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets held under capital leases </link:label> |
| | <link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180_label_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leased Assets [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasedAssetsLineItems" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:to="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital lease assets, gross </link:label> |
| | <link:label id="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3_label_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leased Assets, Gross </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasedAssetsGross" xlink:label="loc_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:to="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation </link:label> |
| | <link:label id="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:label="loc_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:to="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital lease assets </link:label> |
| | <link:label id="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Balance Sheet, Assets by Major Class, Net </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet" xlink:label="loc_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:to="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease rent expense </link:label> |
| | <link:label id="lab_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C_label_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Rent Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation loss </link:label> |
| | <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F_totalLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive loss </link:label> |
| | <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F" xlink:type="locator"/> |
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| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4_terseLabel_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in the reserves for self-insurance and the retained losses </link:label> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4_label_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Reserves [Roll Forward] </link:label> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4_documentation_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SelfInsuranceAndRetainedLossReservesRollForward" xlink:label="loc_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:to="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB_periodStartLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of period </link:label> |
| | <link:label id="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB_label_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance Reserve </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SelfInsuranceReserve" xlink:label="loc_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:to="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:type="arc"/> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D_negatedLabel_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Net payments </link:label> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D_label_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Reserves Net Payments </link:label> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D_documentation_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of net payments made in the period towards self insurance and retained losses. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SelfInsuranceAndRetainedLossReservesNetPayments" xlink:label="loc_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:to="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:type="arc"/> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4_terseLabel_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expense </link:label> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4_label_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Expense </link:label> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4_documentation_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount charged in the period against reserve for self insurance and retained losses. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SelfInsuranceAndRetainedLossExpense" xlink:label="loc_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:to="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E_periodEndLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SelfInsuranceReserve" xlink:label="loc_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E" xlink:to="lab_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E" xlink:type="arc"/> |
| | <link:label id="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588_terseLabel_en-US" xlink:label="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Individual stop-loss coverage for medical benefits </link:label> |
| | <link:label id="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588_label_en-US" xlink:label="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Individual Stop Loss Coverage for Medical Benefits </link:label> |
| | <link:label id="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588_documentation_en-US" xlink:label="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of individual stop-loss coverage for medical benefits. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_IndividualStopLossCoverageForMedicalBenefits" xlink:label="loc_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:to="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:type="arc"/> |
| | <link:label id="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5_terseLabel_en-US" xlink:label="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retention for automobile and general liability claims </link:label> |
| | <link:label id="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5_label_en-US" xlink:label="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retention for Automobile and General Liability Claims </link:label> |
| | <link:label id="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5_documentation_en-US" xlink:label="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Retention for Automobile and General Liability Claims </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_RetentionforAutomobileandGeneralLiabilityClaims" xlink:label="loc_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:to="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:type="arc"/> |
| | <link:label id="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A_terseLabel_en-US" xlink:label="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retention for workers compensation claims </link:label> |
| | <link:label id="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A_label_en-US" xlink:label="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retention for Workers Compensation Claims </link:label> |
| | <link:label id="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A_documentation_en-US" xlink:label="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Retention for Workers Compensation Claims </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_RetentionforWorkersCompensationClaims" xlink:label="loc_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:to="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:type="arc"/> |
| | <link:label id="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521_terseLabel_en-US" xlink:label="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Corridor deductible for workers compensation claims </link:label> |
| | <link:label id="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521_label_en-US" xlink:label="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corridor Deductible for Workers Compensation Claims </link:label> |
| | <link:label id="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521_documentation_en-US" xlink:label="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Corridor Deductible for Workers Compensation Claims </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CorridorDeductibleforWorkersCompensationClaims" xlink:label="loc_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:to="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:type="arc"/> |
| | <link:label id="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06_terseLabel_en-US" xlink:label="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deductible amount per occurrence after corridor deductible is met </link:label> |
| | <link:label id="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06_label_en-US" xlink:label="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deductible Amount Per Occurrence after Corridor Deductible is Met </link:label> |
| | <link:label id="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06_documentation_en-US" xlink:label="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the deductible amount per occurrence after corridor deductible is met for workers compensation claims. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet" xlink:label="loc_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:to="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:type="arc"/> |
| | <link:label id="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A_terseLabel_en-US" xlink:label="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate retention for workers compensation, automobile and garage liability </link:label> |
| | <link:label id="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A_label_en-US" xlink:label="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Aggregate Retention For Workers Compensation, Automobile And Garage Liability </link:label> |
| | <link:label id="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A_documentation_en-US" xlink:label="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Aggregate Retention For Workers Compensation, Automobile And Garage Liability </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability" xlink:label="loc_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:to="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:type="arc"/> |
| | <link:label id="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F_terseLabel_en-US" xlink:label="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Insurance payments after aggregate retention is met up to specified amount </link:label> |
| | <link:label id="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F_label_en-US" xlink:label="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Insurance Payments After Aggregate Retention Is Met Up To Specified Amount </link:label> |
| | <link:label id="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F_documentation_en-US" xlink:label="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Insurance payments after aggregate retention is met up to specified amount </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount" xlink:label="loc_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:to="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in the allowance for doubtful accounts </link:label> |
| | <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Allowance for Credit Loss [Roll Forward] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A_periodStartLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of period </link:label> |
| | <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Allowance for Credit Loss, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provision for credit losses </link:label> |
| | <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642_label_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Credit Loss Expense (Reversal) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:to="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Less net charge-offs </link:label> |
| | <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Allowance for Credit Loss, Writeoff </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_4F1B6ABA7ACA07266F1C9125BFDDDD33_periodEndLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_4F1B6ABA7ACA07266F1C9125BFDDDD33" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_4F1B6ABA7ACA07266F1C9125BFDDDD33" xlink:type="locator"/> |
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| | <link:label id="lab_dei_CoverAbstract_B7DA99EE23EEC3B1EDA24099699A4611_label_en-US" xlink:label="lab_dei_CoverAbstract_B7DA99EE23EEC3B1EDA24099699A4611" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cover page. </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract" xlink:label="loc_dei_CoverAbstract_B7DA99EE23EEC3B1EDA24099699A4611" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract_B7DA99EE23EEC3B1EDA24099699A4611" xlink:to="lab_dei_CoverAbstract_B7DA99EE23EEC3B1EDA24099699A4611" xlink:type="arc"/> |
| | <link:label id="lab_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90_terseLabel_en-US" xlink:label="lab_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document type </link:label> |
| | <link:label id="lab_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90_label_en-US" xlink:label="lab_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Type </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90" xlink:type="locator"/> |
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| | <link:label id="lab_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document annual report </link:label> |
| | <link:label id="lab_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB_label_en-US" xlink:label="lab_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Annual Report </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentAnnualReport" xlink:label="loc_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB" xlink:type="locator"/> |
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| | <link:label id="lab_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document period end date </link:label> |
| | <link:label id="lab_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Period End Date </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0" xlink:type="locator"/> |
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| | <link:label id="lab_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD_terseLabel_en-US" xlink:label="lab_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document transition report </link:label> |
| | <link:label id="lab_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD_label_en-US" xlink:label="lab_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Transition Report </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport" xlink:label="loc_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD" xlink:type="locator"/> |
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| | <link:label id="lab_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commission file number </link:label> |
| | <link:label id="lab_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111_label_en-US" xlink:label="lab_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity File Number </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:label="loc_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111" xlink:type="locator"/> |
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| | <link:label id="lab_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity registrant name </link:label> |
| | <link:label id="lab_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40_label_en-US" xlink:label="lab_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40" xlink:type="locator"/> |
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| | <link:label id="lab_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity incorporation state </link:label> |
| | <link:label id="lab_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Incorporation, State or Country Code </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="loc_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9" xlink:type="locator"/> |
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| | <link:label id="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity tax identification number </link:label> |
| | <link:label id="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E_label_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Tax Identification Number </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:label="loc_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:to="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity address, address line one </link:label> |
| | <link:label id="lab_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, Address Line One </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:label="loc_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05" xlink:type="locator"/> |
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| | <link:label id="lab_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity address, city </link:label> |
| | <link:label id="lab_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, City or Town </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:label="loc_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2" xlink:type="locator"/> |
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| | <link:label id="lab_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity address, state </link:label> |
| | <link:label id="lab_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, State or Province </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:label="loc_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF" xlink:to="lab_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity address, postal zip code </link:label> |
| | <link:label id="lab_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, Postal Zip Code </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:label="loc_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20" xlink:to="lab_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20" xlink:type="arc"/> |
| | <link:label id="lab_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> City area code </link:label> |
| | <link:label id="lab_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7_label_en-US" xlink:label="lab_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> City Area Code </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:label="loc_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7" xlink:to="lab_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7" xlink:type="arc"/> |
| | <link:label id="lab_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Local phone number </link:label> |
| | <link:label id="lab_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF_label_en-US" xlink:label="lab_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Local Phone Number </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:label="loc_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF" xlink:to="lab_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF" xlink:type="arc"/> |
| | <link:label id="lab_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Title of 12(b) security </link:label> |
| | <link:label id="lab_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889_label_en-US" xlink:label="lab_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Title of 12(b) Security </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:label="loc_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889" xlink:to="lab_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889" xlink:type="arc"/> |
| | <link:label id="lab_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trading symbol </link:label> |
| | <link:label id="lab_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE_label_en-US" xlink:label="lab_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trading Symbol </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE" xlink:to="lab_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE" xlink:type="arc"/> |
| | <link:label id="lab_dei_SecurityExchangeName_F810C77009A3BFA904E14099699D90CD_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName_F810C77009A3BFA904E14099699D90CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Security exchange name </link:label> |
| | <link:label id="lab_dei_SecurityExchangeName_F810C77009A3BFA904E14099699D90CD_label_en-US" xlink:label="lab_dei_SecurityExchangeName_F810C77009A3BFA904E14099699D90CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Security Exchange Name </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:label="loc_dei_SecurityExchangeName_F810C77009A3BFA904E14099699D90CD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName_F810C77009A3BFA904E14099699D90CD" xlink:to="lab_dei_SecurityExchangeName_F810C77009A3BFA904E14099699D90CD" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Well-known seasoned issuer </link:label> |
| | <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Well-known Seasoned Issuer </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityVoluntaryFilers_9B8643EAFC88C63946984099699DEAE3_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_9B8643EAFC88C63946984099699DEAE3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity voluntary filers </link:label> |
| | <link:label id="lab_dei_EntityVoluntaryFilers_9B8643EAFC88C63946984099699DEAE3_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_9B8643EAFC88C63946984099699DEAE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Voluntary Filers </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_9B8643EAFC88C63946984099699DEAE3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers_9B8643EAFC88C63946984099699DEAE3" xlink:to="lab_dei_EntityVoluntaryFilers_9B8643EAFC88C63946984099699DEAE3" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity current reporting status </link:label> |
| | <link:label id="lab_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Current Reporting Status </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F" xlink:to="lab_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity interactive data current </link:label> |
| | <link:label id="lab_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Interactive Data Current </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent" xlink:label="loc_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC" xlink:to="lab_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity filer category </link:label> |
| | <link:label id="lab_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663_label_en-US" xlink:label="lab_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663" xlink:to="lab_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A_terseLabel_en-US" xlink:label="lab_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity small business </link:label> |
| | <link:label id="lab_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A_label_en-US" xlink:label="lab_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Small Business </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness" xlink:label="loc_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A" xlink:to="lab_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity emerging growth company </link:label> |
| | <link:label id="lab_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Emerging Growth Company </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531" xlink:to="lab_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity shell company </link:label> |
| | <link:label id="lab_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD_label_en-US" xlink:label="lab_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Shell Company </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany" xlink:label="loc_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD" xlink:to="lab_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7_terseLabel_en-US" xlink:label="lab_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity public float </link:label> |
| | <link:label id="lab_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7_label_en-US" xlink:label="lab_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Public Float </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7" xlink:to="lab_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity common stock, shares outstanding </link:label> |
| | <link:label id="lab_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, par value (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Par or Stated Value Per Share </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_F24D871A065830AD2DA99125BD26F7F7_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_F24D871A065830AD2DA99125BD26F7F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and Equipment </link:label> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_F24D871A065830AD2DA99125BD26F7F7_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_F24D871A065830AD2DA99125BD26F7F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_F24D871A065830AD2DA99125BD26F7F7" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2F8D81BD80C37F300969213B20CACCFD_label_en-US" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2F8D81BD80C37F300969213B20CACCFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Comprehensive Income [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2F8D81BD80C37F300969213B20CACCFD" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_88C6F20486CFAAC77DF8213B20CB89F3_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_88C6F20486CFAAC77DF8213B20CB89F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss) </link:label> |
| | <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_88C6F20486CFAAC77DF8213B20CB89F3_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_88C6F20486CFAAC77DF8213B20CB89F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_88C6F20486CFAAC77DF8213B20CB89F3" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_58675D23C9F91A559915213B20CB43A3_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_58675D23C9F91A559915213B20CB43A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation gain (loss) </link:label> |
| | <link:label id="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_58675D23C9F91A559915213B20CB43A3_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_58675D23C9F91A559915213B20CB43A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_58675D23C9F91A559915213B20CB43A3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_58675D23C9F91A559915213B20CB43A3" xlink:to="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_58675D23C9F91A559915213B20CB43A3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_3454250F8F3223088A50213B20CC1CC1_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_3454250F8F3223088A50213B20CC1CC1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Comprehensive income </link:label> |
| | <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_3454250F8F3223088A50213B20CC1CC1_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_3454250F8F3223088A50213B20CC1CC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Comprehensive Income (Loss), Net of Tax, Attributable to Parent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_3454250F8F3223088A50213B20CC1CC1" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_13C5E8D30882644FDF151B59046A3DB3_terseLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_13C5E8D30882644FDF151B59046A3DB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Loss </link:label> |
| | <link:label id="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_13C5E8D30882644FDF151B59046A3DB3_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_13C5E8D30882644FDF151B59046A3DB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Comprehensive Income (Loss) Note [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_13C5E8D30882644FDF151B59046A3DB3" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_FinancialInstrumentsDisclosureTextBlock_1E09663B165515FFCD9B9125BF1791E4_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentsDisclosureTextBlock_1E09663B165515FFCD9B9125BF1791E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financial Instruments </link:label> |
| | <link:label id="lab_us-gaap_FinancialInstrumentsDisclosureTextBlock_1E09663B165515FFCD9B9125BF1791E4_label_en-US" xlink:label="lab_us-gaap_FinancialInstrumentsDisclosureTextBlock_1E09663B165515FFCD9B9125BF1791E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financial Instruments Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentsDisclosureTextBlock" xlink:label="loc_us-gaap_FinancialInstrumentsDisclosureTextBlock_1E09663B165515FFCD9B9125BF1791E4" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_BusinessCombinationsAbstract_223D4A148CA8B3864E75213B2032BFB8_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationsAbstract_223D4A148CA8B3864E75213B2032BFB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combinations [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_223D4A148CA8B3864E75213B2032BFB8" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_4A145E906CD28CACB67C213B2032A39D_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_4A145E906CD28CACB67C213B2032A39D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Business Acquisitions, by Acquisition </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_4A145E906CD28CACB67C213B2032A39D_label_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_4A145E906CD28CACB67C213B2032A39D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Business Acquisitions, by Acquisition [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_4A145E906CD28CACB67C213B2032A39D" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ContingentConsiderationByTypeAxis_A03F8B87FBBFBBCD9EDC213B2033814A_terseLabel_en-US" xlink:label="lab_us-gaap_ContingentConsiderationByTypeAxis_A03F8B87FBBFBBCD9EDC213B2033814A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contingent Consideration by Type </link:label> |
| | <link:label id="lab_us-gaap_ContingentConsiderationByTypeAxis_A03F8B87FBBFBBCD9EDC213B2033814A_label_en-US" xlink:label="lab_us-gaap_ContingentConsiderationByTypeAxis_A03F8B87FBBFBBCD9EDC213B2033814A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contingent Consideration by Type [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContingentConsiderationByTypeAxis" xlink:label="loc_us-gaap_ContingentConsiderationByTypeAxis_A03F8B87FBBFBBCD9EDC213B2033814A" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ContingentConsiderationTypeDomain_D354921639030672EDB5213B2033DAF2_terseLabel_en-US" xlink:label="lab_us-gaap_ContingentConsiderationTypeDomain_D354921639030672EDB5213B2033DAF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contingent Consideration Type </link:label> |
| | <link:label id="lab_us-gaap_ContingentConsiderationTypeDomain_D354921639030672EDB5213B2033DAF2_label_en-US" xlink:label="lab_us-gaap_ContingentConsiderationTypeDomain_D354921639030672EDB5213B2033DAF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contingent Consideration Type [Domain] </link:label> |
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| | <link:label id="lab_us-gaap_CustomerRelationshipsMember_155AC04DD8D4F11D0FDE213B2033C931_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_155AC04DD8D4F11D0FDE213B2033C931" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer relationships </link:label> |
| | <link:label id="lab_us-gaap_CustomerRelationshipsMember_155AC04DD8D4F11D0FDE213B2033C931_label_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_155AC04DD8D4F11D0FDE213B2033C931" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer Relationships [Member] </link:label> |
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| | <link:label id="lab_us-gaap_BusinessAcquisitionAxis_AE4AB99A2DF623009520213B2034014B_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_AE4AB99A2DF623009520213B2034014B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition </link:label> |
| | <link:label id="lab_us-gaap_BusinessAcquisitionAxis_AE4AB99A2DF623009520213B2034014B_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_AE4AB99A2DF623009520213B2034014B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition [Axis] </link:label> |
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| | <link:label id="lab_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_C84312439D79F6D715D5213B2035F46A_terseLabel_en-US" xlink:label="lab_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_C84312439D79F6D715D5213B2035F46A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Series of individually immaterial business acquisitions </link:label> |
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| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_C84312439D79F6D715D5213B2035F46A" xlink:to="lab_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_C84312439D79F6D715D5213B2035F46A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BusinessAcquisitionLineItems_A29698333283420E9155213B203569E6_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems_A29698333283420E9155213B203569E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acquisitions </link:label> |
| | <link:label id="lab_us-gaap_BusinessAcquisitionLineItems_A29698333283420E9155213B203569E6_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems_A29698333283420E9155213B203569E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_A29698333283420E9155213B203569E6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_A29698333283420E9155213B203569E6" xlink:to="lab_us-gaap_BusinessAcquisitionLineItems_A29698333283420E9155213B203569E6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9DFFCED2F821070B3CA9213B20350BA8_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9DFFCED2F821070B3CA9213B20350BA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase price for business acquired </link:label> |
| | <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9DFFCED2F821070B3CA9213B20350BA8_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9DFFCED2F821070B3CA9213B20350BA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9DFFCED2F821070B3CA9213B20350BA8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9DFFCED2F821070B3CA9213B20350BA8" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9DFFCED2F821070B3CA9213B20350BA8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C474F5118BED06CD3122213B2036F134_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C474F5118BED06CD3122213B2036F134" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acquisition of businesses (net of cash acquired) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C474F5118BED06CD3122213B2036F134" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C474F5118BED06CD3122213B2036F134" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C474F5118BED06CD3122213B2036F134" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DeferredCostsCurrentAndNoncurrent_70AA0FCDEF08FD379666213B2036BE43_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCostsCurrentAndNoncurrent_70AA0FCDEF08FD379666213B2036BE43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of deferred payments </link:label> |
| | <link:label id="lab_us-gaap_DeferredCostsCurrentAndNoncurrent_70AA0FCDEF08FD379666213B2036BE43_label_en-US" xlink:label="lab_us-gaap_DeferredCostsCurrentAndNoncurrent_70AA0FCDEF08FD379666213B2036BE43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Costs </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredCostsCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCostsCurrentAndNoncurrent_70AA0FCDEF08FD379666213B2036BE43" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCostsCurrentAndNoncurrent_70AA0FCDEF08FD379666213B2036BE43" xlink:to="lab_us-gaap_DeferredCostsCurrentAndNoncurrent_70AA0FCDEF08FD379666213B2036BE43" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_13F0EA8FE353E423E842213B20360A52_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_13F0EA8FE353E423E842213B20360A52" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of estimated contingent payments </link:label> |
| | <link:label id="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_13F0EA8FE353E423E842213B20360A52_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_13F0EA8FE353E423E842213B20360A52" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Contingent Consideration, Liability </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_13F0EA8FE353E423E842213B20360A52" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_13F0EA8FE353E423E842213B20360A52" xlink:to="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_13F0EA8FE353E423E842213B20360A52" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum amount of undiscounted contingent payments related to acquisitions </link:label> |
| | <link:label id="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30" xlink:to="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase price for the acquired business allocated to intangible assets </link:label> |
| | <link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2" xlink:type="arc"/> |
| | <link:label id="lab_kar_OtherIntangibleAssetsGross_9DDD1BE034FDCF6E46F0213B2036BF74_terseLabel_en-US" xlink:label="lab_kar_OtherIntangibleAssetsGross_9DDD1BE034FDCF6E46F0213B2036BF74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase price for the acquired business allocated to intangible assets </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_OtherIntangibleAssetsGross" xlink:label="loc_kar_OtherIntangibleAssetsGross_9DDD1BE034FDCF6E46F0213B2036BF74" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherIntangibleAssetsGross_9DDD1BE034FDCF6E46F0213B2036BF74" xlink:to="lab_kar_OtherIntangibleAssetsGross_9DDD1BE034FDCF6E46F0213B2036BF74" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B" xlink:to="lab_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B" xlink:type="arc"/> |
| | <link:label id="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6_terseLabel_en-US" xlink:label="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business acquisition initial annual lease payments </link:label> |
| | <link:label id="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6_label_en-US" xlink:label="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition Initial Annual Lease Payments </link:label> |
| | <link:label id="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6_documentation_en-US" xlink:label="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of initial annual lease payments for the various facilities in a business combination. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_BusinessAcquisitionInitialAnnualLeasePayments" xlink:label="loc_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:to="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Allowance for Credit Losses and Doubtful Accounts </link:label> |
| | <link:label id="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C_label_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allowance for Credit Losses [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForCreditLossesTextBlock" xlink:label="loc_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:to="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock and Stock-Based Compensation Plans </link:label> |
| | <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of stock-based compensation expense by type of award </link:label> |
| | <link:label id="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6_label_en-US" xlink:label="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Award Type [Table Text Block] </link:label> |
| | <link:label id="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6_documentation_en-US" xlink:label="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation award. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock" xlink:label="loc_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:to="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1_terseLabel_en-US" xlink:label="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of PRSU activity </link:label> |
| | <link:label id="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1_label_en-US" xlink:label="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Nonvested Performance Restricted Stock Units Activity [Table Text Block] </link:label> |
| | <link:label id="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1_documentation_en-US" xlink:label="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of the changes in outstanding nonvested performance restricted stock units (PRSUs). </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:to="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of RSU activity </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07_label_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07" xlink:to="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of option activity </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Option, Activity [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SubsequentEventsAbstract_6896374512F8F082558A2F313D914D69_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsAbstract_6896374512F8F082558A2F313D914D69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Events [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_6896374512F8F082558A2F313D914D69" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsAbstract_6896374512F8F082558A2F313D914D69" xlink:to="lab_us-gaap_SubsequentEventsAbstract_6896374512F8F082558A2F313D914D69" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SubsequentEventsTextBlock_B23324C9F974B270A6FF2F313D97B43E_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock_B23324C9F974B270A6FF2F313D97B43E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event </link:label> |
| | <link:label id="lab_us-gaap_SubsequentEventsTextBlock_B23324C9F974B270A6FF2F313D97B43E_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock_B23324C9F974B270A6FF2F313D97B43E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Events [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_B23324C9F974B270A6FF2F313D97B43E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsTextBlock_B23324C9F974B270A6FF2F313D97B43E" xlink:to="lab_us-gaap_SubsequentEventsTextBlock_B23324C9F974B270A6FF2F313D97B43E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtAbstract_A1ACA2E717E0E364C8EA54D744D20690_label_en-US" xlink:label="lab_us-gaap_LongTermDebtAbstract_A1ACA2E717E0E364C8EA54D744D20690" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Unclassified [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="loc_us-gaap_LongTermDebtAbstract_A1ACA2E717E0E364C8EA54D744D20690" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtAbstract_A1ACA2E717E0E364C8EA54D744D20690" xlink:to="lab_us-gaap_LongTermDebtAbstract_A1ACA2E717E0E364C8EA54D744D20690" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:to="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:type="arc"/> |
| | <link:label id="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9_terseLabel_en-US" xlink:label="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Canadian Line of Credit </link:label> |
| | <link:label id="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9_label_en-US" xlink:label="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Canadian Line of Credit [Member] </link:label> |
| | <link:label id="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9_documentation_en-US" xlink:label="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Canadian Line of Credit </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CanadianLineofCreditMember" xlink:label="loc_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:to="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:type="arc"/> |
| | <link:label id="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D_terseLabel_en-US" xlink:label="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 </link:label> |
| | <link:label id="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D_label_en-US" xlink:label="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 [Member] </link:label> |
| | <link:label id="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D_documentation_en-US" xlink:label="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents details pertaining to Term Loan B-4 due on March 11, 2021. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_TermLoanB4Member" xlink:label="loc_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:to="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:type="arc"/> |
| | <link:label id="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6_terseLabel_en-US" xlink:label="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan B-5 </link:label> |
| | <link:label id="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6_label_en-US" xlink:label="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan B-5 [Member] </link:label> |
| | <link:label id="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6_documentation_en-US" xlink:label="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents details pertaining to Term Loan B-5 due on March 9, 2023. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_TermLoanB5Member" xlink:label="loc_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:to="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5_verboseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Revolving credit facility </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B_terseLabel_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Letters of credit </link:label> |
| | <link:label id="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B_label_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Letter of Credit [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:to="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:type="arc"/> |
| | <link:label id="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78_terseLabel_en-US" xlink:label="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Swing line loans </link:label> |
| | <link:label id="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78_label_en-US" xlink:label="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Swing Line Loan [Member] </link:label> |
| | <link:label id="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78_documentation_en-US" xlink:label="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the details pertaining to swing line loans. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SwingLineLoanMember" xlink:label="loc_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:to="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:type="arc"/> |
| | <link:label id="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677_terseLabel_en-US" xlink:label="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 and Term Loan B-5 aggregate principal </link:label> |
| | <link:label id="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677_label_en-US" xlink:label="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 and Term Loan B-5 Aggregate Principal [Member] </link:label> |
| | <link:label id="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677_documentation_en-US" xlink:label="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 and Term Loan B-5 Aggregate Principal </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_TermLoanB4andTermLoanB5AggregatePrincipalMember" xlink:label="loc_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:to="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate </link:label> |
| | <link:label id="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:to="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate </link:label> |
| | <link:label id="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:to="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:type="arc"/> |
| | <link:label id="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjusted LIBOR </link:label> |
| | <link:label id="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC_label_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument Variable Rate Base Adjusted LIBOR [Member] </link:label> |
| | <link:label id="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC_documentation_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the adjusted London Interbank Offered Rate for statutory reserve requirements used to calculate the variable interest rate of the debt instrument. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember" xlink:label="loc_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:to="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:type="arc"/> |
| | <link:label id="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Base rate </link:label> |
| | <link:label id="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8_label_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument Variable Rate Base [Member] </link:label> |
| | <link:label id="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8_documentation_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the base rate used to calculate the variable interest rate of the debt instrument. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentVariableRateBaseMember" xlink:label="loc_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:to="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-Term Debt </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:to="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:type="arc"/> |
| | <link:label id="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C_terseLabel_en-US" xlink:label="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acceleration of amortization on debt issuance costs </link:label> |
| | <link:label id="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C_label_en-US" xlink:label="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accelerated Amortization of Debt Issuance Costs </link:label> |
| | <link:label id="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C_documentation_en-US" xlink:label="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Accelerated Amortization of Debt Issuance Costs </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AcceleratedAmortizationofDebtIssuanceCosts" xlink:label="loc_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:to="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Early termination penalties </link:label> |
| | <link:label id="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payment for Debt Extinguishment or Debt Prepayment Cost </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:to="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Payments for debt issuance costs/amendments </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unamortized discount at issuance </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Unamortized Discount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:type="arc"/> |
| | <link:label id="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Quarterly payment as percentage of original principal amount outstanding </link:label> |
| | <link:label id="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7_label_en-US" xlink:label="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument Periodic Payment as Percentage of Principal Amount </link:label> |
| | <link:label id="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7_documentation_en-US" xlink:label="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the quarterly installment payments as a percentage of the original aggregate principal amount. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount" xlink:label="loc_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:to="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:type="arc"/> |
| | <link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of equity interests of certain of the company's and the Subsidiary Guarantors' domestic subsidiaries pledged under the Credit Facility </link:label> |
| | <link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309_label_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Percentage of Equity Interest of Entity and Domestic Subsidiaries of Subsidiary Guarantors Pledge </link:label> |
| | <link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309_documentation_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the percentage of equity interests of certain of the company's and the Subsidiary Guarantors' domestic subsidiaries pledged under the Credit Facility. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge" xlink:label="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:to="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:type="arc"/> |
| | <link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of equity interests of certain of the company's and the Subsidiary Guarantors' first-tier foreign subsidiaries pledged under the Credit Facility </link:label> |
| | <link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4_label_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Percentage of Equity Interest of Entity and Foreign Subsidiaries of Subsidiary Guarantors Pledge </link:label> |
| | <link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4_documentation_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the percentage of equity interests of certain of the company's and the Subsidiary Guarantors' first-tier foreign subsidiaries pledged under the Credit Facility. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge" xlink:label="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:to="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:type="arc"/> |
| | <link:label id="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754_terseLabel_en-US" xlink:label="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit facility consolidated senior secured net leverage ratio </link:label> |
| | <link:label id="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754_label_en-US" xlink:label="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility Consolidated Senior Secured Net Leverage Ratio </link:label> |
| | <link:label id="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754_documentation_en-US" xlink:label="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Credit Facility consolidated senior secured net leverage ratio </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio" xlink:label="loc_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:to="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest rate basis (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Basis Spread on Variable Rate </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable rate basis </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Description of Variable Rate Basis </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:to="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Frequency of commitment fee payment </link:label> |
| | <link:label id="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Frequency of Commitment Fee Payment </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment" xlink:label="loc_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:to="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest rate of loan (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488_label_en-US" xlink:label="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtPercentageBearingVariableInterestRate" xlink:label="loc_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:to="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amount borrowed </link:label> |
| | <link:label id="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Line of Credit </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:to="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding letters of credit </link:label> |
| | <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Letters of Credit Outstanding, Amount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term of debt instrument </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Term </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:to="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitment fee on the unused amount of the Revolving Credit Facility (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Unused Capacity, Commitment Fee Percentage </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:to="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Financial Position [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets </link:label> |
| | <link:label id="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:to="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current assets </link:label> |
| | <link:label id="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:to="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label> |
| | <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, at Carrying Value </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted cash </link:label> |
| | <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Cash and Cash Equivalents, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade receivables, net of allowances of $9.5 and $8.7 </link:label> |
| | <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, after Allowance for Credit Loss, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F_terseLabel_en-US" xlink:label="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance receivables, net of allowances of $15.0 and $14.0 </link:label> |
| | <link:label id="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F_label_en-US" xlink:label="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, after Allowance for Credit Loss, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesAndLoansReceivableNetCurrent" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:to="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label> |
| | <link:label id="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B_label_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:to="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current assets, discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233_label_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:to="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current assets </link:label> |
| | <link:label id="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:to="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label> |
| | <link:label id="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD_label_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Noncurrent [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="loc_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:to="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Customer relationships, net of accumulated amortization of $637.4 and $587.0 </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Net </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other intangible assets, net of accumulated amortization of $292.4 and $255.3 </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F" xlink:to="lab_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label> |
| | <link:label id="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Noncurrent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:to="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-current assets, discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets, Noncurrent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total other assets </link:label> |
| | <link:label id="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B_label_en-US" xlink:label="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Noncurrent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsNoncurrent" xlink:label="loc_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:to="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net of accumulated depreciation of $534.3 and $467.5 </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98" xlink:to="lab_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities and Stockholders' Equity </link:label> |
| | <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current liabilities </link:label> |
| | <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label> |
| | <link:label id="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:to="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued employee benefits and compensation expenses </link:label> |
| | <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee-related Liabilities, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:to="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued interest </link:label> |
| | <link:label id="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D_label_en-US" xlink:label="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Payable, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:to="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income taxes payable </link:label> |
| | <link:label id="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292_label_en-US" xlink:label="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Income Taxes, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:to="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends payable </link:label> |
| | <link:label id="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57_label_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends Payable, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsPayableCurrent" xlink:label="loc_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:to="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current maturities of long-term debt </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Current Maturities </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:to="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current liabilities, discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C_label_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C" xlink:to="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current liabilities </link:label> |
| | <link:label id="lab_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27" xlink:to="lab_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-current liabilities </link:label> |
| | <link:label id="lab_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E_label_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Noncurrent [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E" xlink:to="lab_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Excluding Current Maturities </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B" xlink:to="lab_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income tax liabilities </link:label> |
| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Net, Noncurrent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_2B42FC0627D54AF22A7D1060E11AF274_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_2B42FC0627D54AF22A7D1060E11AF274" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-current liabilities, discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_2B42FC0627D54AF22A7D1060E11AF274_label_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_2B42FC0627D54AF22A7D1060E11AF274" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_2B42FC0627D54AF22A7D1060E11AF274" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_2B42FC0627D54AF22A7D1060E11AF274" xlink:to="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_2B42FC0627D54AF22A7D1060E11AF274" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total non-current liabilities </link:label> |
| | <link:label id="lab_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662_label_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Noncurrent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662" xlink:to="lab_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments and contingencies (Note 17) </link:label> |
| | <link:label id="lab_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B" xlink:to="lab_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders' equity </link:label> |
| | <link:label id="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:to="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, $0.01 par value: Authorized shares: 100,000,000; Issued shares: none </link:label> |
| | <link:label id="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Value, Issued </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:to="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, $0.01 par value: Authorized shares: 400,000,000; Issued and outstanding shares: 128,833,452 (2019), 132,887,029 (2018) </link:label> |
| | <link:label id="lab_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Value, Issued </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796" xlink:to="lab_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional paid-in capital </link:label> |
| | <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid in Capital, Common Stock </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retained earnings </link:label> |
| | <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings (Accumulated Deficit) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1A96D3F5AEEED24D96BB1060E11B604D_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1A96D3F5AEEED24D96BB1060E11B604D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive loss </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1A96D3F5AEEED24D96BB1060E11B604D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1A96D3F5AEEED24D96BB1060E11B604D" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1A96D3F5AEEED24D96BB1060E11B604D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total stockholders' equity </link:label> |
| | <link:label id="lab_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A" xlink:to="lab_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities and stockholders' equity </link:label> |
| | <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5" xlink:type="arc"/> |
| | <link:label id="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3_terseLabel_en-US" xlink:label="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Payment </link:label> |
| | <link:label id="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3_label_en-US" xlink:label="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Payment [Table] </link:label> |
| | <link:label id="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3_documentation_en-US" xlink:label="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of information pertaining to income tax payments. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_IncomeTaxPaymentTable" xlink:label="loc_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:to="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Authority </link:label> |
| | <link:label id="lab_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD_label_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD" xlink:to="lab_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Authority </link:label> |
| | <link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E_label_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E" xlink:to="lab_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B_terseLabel_en-US" xlink:label="lab_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Federal </link:label> |
| | <link:label id="lab_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B_label_en-US" xlink:label="lab_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Internal Revenue Service (IRS) [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="loc_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B" xlink:to="lab_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B" xlink:type="arc"/> |
| | <link:label id="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67_terseLabel_en-US" xlink:label="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> State and foreign </link:label> |
| | <link:label id="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67_label_en-US" xlink:label="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> State Jurisdiction and Foreign Country [Member] </link:label> |
| | <link:label id="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67_documentation_en-US" xlink:label="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Designated tax department of a state government entitled to levy and collect income taxes from the entity. And it also includes designated tax departments of governments entitled to levy and collect income taxes from the entity outside the entity's country of domicile. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_StateJurisdictionAndForeignCountryMember" xlink:label="loc_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67" xlink:to="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67" xlink:type="arc"/> |
| | <link:label id="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620_terseLabel_en-US" xlink:label="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax payments </link:label> |
| | <link:label id="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620_label_en-US" xlink:label="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Payment [Line Items] </link:label> |
| | <link:label id="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620_documentation_en-US" xlink:label="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_IncomeTaxPaymentLineItems" xlink:label="loc_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:to="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeTaxesPaidNet_446AAE914B44B90AA80B213B1E5FB46C_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_446AAE914B44B90AA80B213B1E5FB46C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income tax payments, net of income tax refunds </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_446AAE914B44B90AA80B213B1E5FB46C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_446AAE914B44B90AA80B213B1E5FB46C" xlink:to="lab_us-gaap_IncomeTaxesPaidNet_446AAE914B44B90AA80B213B1E5FB46C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4CC6CB094876BB65779DB041A7C6F14C_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4CC6CB094876BB65779DB041A7C6F14C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies Disclosure [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4CC6CB094876BB65779DB041A7C6F14C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4CC6CB094876BB65779DB041A7C6F14C" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4CC6CB094876BB65779DB041A7C6F14C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities for environmental matters </link:label> |
| | <link:label id="lab_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83_label_en-US" xlink:label="lab_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Environmental Loss Contingencies, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedEnvironmentalLossContingenciesCurrent" xlink:label="loc_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_DE71C9B77990FB5014E6542C31A8E37F_verboseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_DE71C9B77990FB5014E6542C31A8E37F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Costs of services (exclusive of depreciation and amortization) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_DE71C9B77990FB5014E6542C31A8E37F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_DE71C9B77990FB5014E6542C31A8E37F" xlink:to="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_DE71C9B77990FB5014E6542C31A8E37F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_22C223BFDEE80D3CCE1D542C31A91D15_verboseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_22C223BFDEE80D3CCE1D542C31A91D15" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general, and administrative expenses </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_22C223BFDEE80D3CCE1D542C31A91D15" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_258BD479F527B624DF57542C31AAD39E_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_258BD479F527B624DF57542C31AAD39E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations before income taxes </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_258BD479F527B624DF57542C31AAD39E" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract_C396CD8B563D08B664DF3F686BEC5EC1_label_en-US" xlink:label="lab_us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract_C396CD8B563D08B664DF3F686BEC5EC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Notes [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract" xlink:label="loc_us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract_C396CD8B563D08B664DF3F686BEC5EC1" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior notes face amount </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Face Amount </link:label> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_3DD90711148180DDFA283FF15A6C2215" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_3DD90711148180DDFA283FF15A6C2215" xlink:to="lab_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_3DD90711148180DDFA283FF15A6C2215" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_0F5FBEDC19EACC7590023FF15A6C9F68_totalLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_0F5FBEDC19EACC7590023FF15A6C9F68" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total deferred provision </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_0F5FBEDC19EACC7590023FF15A6C9F68" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_0F5FBEDC19EACC7590023FF15A6C9F68" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_0F5FBEDC19EACC7590023FF15A6C9F68" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_4A495D9ED183778B0ECA3FF15A6C2DC2_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_4A495D9ED183778B0ECA3FF15A6C2DC2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income tax expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4A495D9ED183778B0ECA3FF15A6C2DC2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4A495D9ED183778B0ECA3FF15A6C2DC2" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit_4A495D9ED183778B0ECA3FF15A6C2DC2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_AFC7353EEED9D98673DE3FF15A6CFBDB_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_AFC7353EEED9D98673DE3FF15A6CFBDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reconciliation between provision for income taxes and U.S. federal statutory rate applied to income before taxes </link:label> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_AFC7353EEED9D98673DE3FF15A6CFBDB_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_AFC7353EEED9D98673DE3FF15A6CFBDB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Percent [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_AFC7353EEED9D98673DE3FF15A6CFBDB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_AFC7353EEED9D98673DE3FF15A6CFBDB" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_AFC7353EEED9D98673DE3FF15A6CFBDB" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_4AC4A04A143ACB72E3D03FF15A6C8B1D_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_4AC4A04A143ACB72E3D03FF15A6C8B1D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statutory rate (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_4AC4A04A143ACB72E3D03FF15A6C8B1D_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_4AC4A04A143ACB72E3D03FF15A6C8B1D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_4AC4A04A143ACB72E3D03FF15A6C8B1D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_4AC4A04A143ACB72E3D03FF15A6C8B1D" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_4AC4A04A143ACB72E3D03FF15A6C8B1D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_BD9CF6BD81302571ACD23FF15A6D3D83_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_BD9CF6BD81302571ACD23FF15A6D3D83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> State and local income taxes, net (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_BD9CF6BD81302571ACD23FF15A6D3D83_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_BD9CF6BD81302571ACD23FF15A6D3D83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_BD9CF6BD81302571ACD23FF15A6D3D83" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_BD9CF6BD81302571ACD23FF15A6D3D83" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_BD9CF6BD81302571ACD23FF15A6D3D83" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_E9D0AA94B046F1246AF73FF15A6DAF93_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_E9D0AA94B046F1246AF73FF15A6DAF93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reserves for tax exposures (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_E9D0AA94B046F1246AF73FF15A6DAF93_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_E9D0AA94B046F1246AF73FF15A6DAF93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Tax Contingency, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_E9D0AA94B046F1246AF73FF15A6DAF93" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_E9D0AA94B046F1246AF73FF15A6DAF93" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_E9D0AA94B046F1246AF73FF15A6DAF93" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_90553BD3EBBC7D21DFA53FF15A6DC59D_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_90553BD3EBBC7D21DFA53FF15A6DC59D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in valuation allowance (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_90553BD3EBBC7D21DFA53FF15A6DC59D_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_90553BD3EBBC7D21DFA53FF15A6DC59D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_90553BD3EBBC7D21DFA53FF15A6DC59D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_90553BD3EBBC7D21DFA53FF15A6DC59D" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_90553BD3EBBC7D21DFA53FF15A6DC59D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> International operations (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Impact of law and rate change (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1" xlink:type="arc"/> |
| | <link:label id="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A_terseLabel_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Excess officer's compensation (as a percent) </link:label> |
| | <link:label id="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A_label_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective income tax rate reconciliation excess officers compensation </link:label> |
| | <link:label id="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A_documentation_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to excess officers compensation. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_Effectiveincometaxratereconciliationexcessofficerscompensation" xlink:label="loc_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:to="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:type="arc"/> |
| | <link:label id="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8_terseLabel_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transaction costs (as a percent) </link:label> |
| | <link:label id="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8_label_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective income tax rate reconciliation transaction costs </link:label> |
| | <link:label id="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8_documentation_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to transaction costs. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_Effectiveincometaxratereconciliationtransactioncosts" xlink:label="loc_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:to="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other, net (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Other Adjustments, Percent </link:label> |
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| | <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_D1C4B09CD19BA776209E3FF15A6E366B_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_D1C4B09CD19BA776209E3FF15A6E366B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Percent </link:label> |
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| | <link:label id="lab_us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitAbstract_0F80950F1B62B8819FF33FF15A6E5BE1_label_en-US" xlink:label="lab_us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitAbstract_0F80950F1B62B8819FF33FF15A6E5BE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Cuts and Jobs Act, Income Tax Expense (Benefit) [Abstract] </link:label> |
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| | <link:label id="lab_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0_label_en-US" xlink:label="lab_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Federal Income Tax Statutory Rate </link:label> |
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| | <link:label id="lab_us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_E931736EBBD439917E413FF15A6FE73D_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_E931736EBBD439917E413FF15A6FE73D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Remeasurement of deferred income tax benefit </link:label> |
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| | <link:label id="lab_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB_terseLabel_en-US" xlink:label="lab_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deemed repatriation tax expense </link:label> |
| | <link:label id="lab_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB_label_en-US" xlink:label="lab_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Tax Expense (Benefit) </link:label> |
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| | <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_83A1B2EF9A2A6A63BE793FF15A6FD296_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_83A1B2EF9A2A6A63BE793FF15A6FD296" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reversal of tax reserves amount for uncertain tax positions due to statute of limitations expiration </link:label> |
| | <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_83A1B2EF9A2A6A63BE793FF15A6FD296_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_83A1B2EF9A2A6A63BE793FF15A6FD296" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations </link:label> |
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| | <link:label id="lab_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_F17BFE7FA3E153CC0A3C3FF15A70C6A7_terseLabel_en-US" xlink:label="lab_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_F17BFE7FA3E153CC0A3C3FF15A70C6A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred tax assets (liabilities) </link:label> |
| | <link:label id="lab_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_F17BFE7FA3E153CC0A3C3FF15A70C6A7_label_en-US" xlink:label="lab_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_F17BFE7FA3E153CC0A3C3FF15A70C6A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Components of Deferred Tax Assets and Liabilities [Abstract] </link:label> |
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| | <link:label id="lab_us-gaap_DeferredTaxAssetsGrossAbstract_5CFAAC417C45A2D72E1E3FF15A7059A0_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsGrossAbstract_5CFAAC417C45A2D72E1E3FF15A7059A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross deferred tax assets: </link:label> |
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| | <link:label id="lab_kar_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses_18EAB89AE7D4AC06AD693FF15A7072F2_terseLabel_en-US" xlink:label="lab_kar_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses_18EAB89AE7D4AC06AD693FF15A7072F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Allowances for trade and finance receivables </link:label> |
| | <link:label id="lab_kar_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses_18EAB89AE7D4AC06AD693FF15A7072F2_label_en-US" xlink:label="lab_kar_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses_18EAB89AE7D4AC06AD693FF15A7072F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets Tax Deferred Expense Reserves and Accruals Allowance for Doubtful Accounts and Provision for Loan Losses </link:label> |
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| | <link:label id="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_4AF0ACA058F892DF09533FF15A728D87_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_4AF0ACA058F892DF09533FF15A728D87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net operating loss carryforwards </link:label> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_4AF0ACA058F892DF09533FF15A728D87" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_4AF0ACA058F892DF09533FF15A728D87" xlink:to="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_4AF0ACA058F892DF09533FF15A728D87" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesInvestments_1BF974FB88506E1046CD3FF15A726394_negatedLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesInvestments_1BF974FB88506E1046CD3FF15A726394" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Investment basis difference liability </link:label> |
| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesInvestments_1BF974FB88506E1046CD3FF15A726394_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesInvestments_1BF974FB88506E1046CD3FF15A726394" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Investments </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesInvestments" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesInvestments_1BF974FB88506E1046CD3FF15A726394" xlink:type="locator"/> |
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| | <link:label id="lab_kar_DeferredTaxAssetRightofUseLeaseLiability_6A825A0339E2FEC71AD03FF15A725F72_terseLabel_en-US" xlink:label="lab_kar_DeferredTaxAssetRightofUseLeaseLiability_6A825A0339E2FEC71AD03FF15A725F72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Right of use lease liability </link:label> |
| | <link:label id="lab_kar_DeferredTaxAssetRightofUseLeaseLiability_6A825A0339E2FEC71AD03FF15A725F72_label_en-US" xlink:label="lab_kar_DeferredTaxAssetRightofUseLeaseLiability_6A825A0339E2FEC71AD03FF15A725F72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Asset Right of Use Lease Liability </link:label> |
| | <link:label id="lab_kar_DeferredTaxAssetRightofUseLeaseLiability_6A825A0339E2FEC71AD03FF15A725F72_documentation_en-US" xlink:label="lab_kar_DeferredTaxAssetRightofUseLeaseLiability_6A825A0339E2FEC71AD03FF15A725F72" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Deferred Tax Asset Right of Use Lease Liability </link:label> |
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| | <link:label id="lab_us-gaap_DeferredTaxAssetsOther_8C98EC34DA33E0BB95B33FF15A7226D8_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsOther_8C98EC34DA33E0BB95B33FF15A7226D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Other </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_8C98EC34DA33E0BB95B33FF15A7226D8" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DeferredTaxAssetsGross_2DD5BC39E16037D18EA03FF15A72FD6B_totalLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsGross_2DD5BC39E16037D18EA03FF15A72FD6B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total deferred tax assets </link:label> |
| | <link:label id="lab_us-gaap_DeferredTaxAssetsGross_2DD5BC39E16037D18EA03FF15A72FD6B_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsGross_2DD5BC39E16037D18EA03FF15A72FD6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Gross </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_2DD5BC39E16037D18EA03FF15A72FD6B" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_5A0AABD8A18FC6CB3C403FF15A72D399_negatedLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_5A0AABD8A18FC6CB3C403FF15A72D399" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Deferred tax asset valuation allowance </link:label> |
| | <link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_5A0AABD8A18FC6CB3C403FF15A72D399_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_5A0AABD8A18FC6CB3C403FF15A72D399" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Valuation Allowance </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_5A0AABD8A18FC6CB3C403FF15A72D399" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DeferredTaxAssetsNet_3DD1FB93CC0294A59C753FF15A736145_totalLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsNet_3DD1FB93CC0294A59C753FF15A736145" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label> |
| | <link:label id="lab_us-gaap_DeferredTaxAssetsNet_3DD1FB93CC0294A59C753FF15A736145_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsNet_3DD1FB93CC0294A59C753FF15A736145" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Net of Valuation Allowance </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_3DD1FB93CC0294A59C753FF15A736145" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesAbstract_50255634A1A185EDFA413FF15A73FE72_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesAbstract_50255634A1A185EDFA413FF15A73FE72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross deferred tax liabilities: </link:label> |
| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesAbstract_50255634A1A185EDFA413FF15A73FE72_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesAbstract_50255634A1A185EDFA413FF15A73FE72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Gross [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesAbstract" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesAbstract_50255634A1A185EDFA413FF15A73FE72" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_510808F3F1237376A7153FF15A73954F_negatedLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_510808F3F1237376A7153FF15A73954F" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment </link:label> |
| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_510808F3F1237376A7153FF15A73954F_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_510808F3F1237376A7153FF15A73954F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Property, Plant and Equipment </link:label> |
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| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22_negatedLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and intangible assets </link:label> |
| | <link:label id="lab_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Goodwill and Intangible Assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22" xlink:type="locator"/> |
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| | <link:label id="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF_label_en-US" xlink:label="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Loss Carryforward Expiration [Abstract] </link:label> |
| | <link:label id="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF_documentation_en-US" xlink:label="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_OperatingLossCarryforwardExpirationAbstract" xlink:label="loc_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:to="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:type="arc"/> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Next Twelve Months </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the next twelve months following the latest fiscal year. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:type="arc"/> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Two Years </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the second fiscal year following the latest fiscal year. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:type="arc"/> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Three Years </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the third fiscal year following the latest fiscal year. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:type="arc"/> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Four Years </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the fourth fiscal year following the latest fiscal year. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:type="arc"/> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Five Years </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the fifth fiscal year following the latest fiscal year. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:type="arc"/> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2025 to 2039 </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration Thereafter </link:label> |
| | <link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring after the fifth fiscal year following the latest fiscal year. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_453B8B2E093DEB8C0B023FF15A75296E_totalLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_453B8B2E093DEB8C0B023FF15A75296E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_453B8B2E093DEB8C0B023FF15A75296E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_453B8B2E093DEB8C0B023FF15A75296E" xlink:to="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_453B8B2E093DEB8C0B023FF15A75296E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_UndistributedEarningsOfForeignSubsidiaries_769A75E029F97CEE636D3FF15A75D73B_terseLabel_en-US" xlink:label="lab_us-gaap_UndistributedEarningsOfForeignSubsidiaries_769A75E029F97CEE636D3FF15A75D73B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Undistributed earnings of foreign subsidiaries </link:label> |
| | <link:label id="lab_us-gaap_UndistributedEarningsOfForeignSubsidiaries_769A75E029F97CEE636D3FF15A75D73B_label_en-US" xlink:label="lab_us-gaap_UndistributedEarningsOfForeignSubsidiaries_769A75E029F97CEE636D3FF15A75D73B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Undistributed Earnings of Foreign Subsidiaries </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UndistributedEarningsOfForeignSubsidiaries" xlink:label="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_769A75E029F97CEE636D3FF15A75D73B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_769A75E029F97CEE636D3FF15A75D73B" xlink:to="lab_us-gaap_UndistributedEarningsOfForeignSubsidiaries_769A75E029F97CEE636D3FF15A75D73B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_63EEA28E71053C8654B2213B1E5517CC_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_63EEA28E71053C8654B2213B1E5517CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Significant Change in Unrecognized Tax Benefits is Reasonably Possible </link:label> |
| | <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_63EEA28E71053C8654B2213B1E5517CC_label_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_63EEA28E71053C8654B2213B1E5517CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_63EEA28E71053C8654B2213B1E5517CC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_63EEA28E71053C8654B2213B1E5517CC" xlink:to="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_63EEA28E71053C8654B2213B1E5517CC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_5F4BB9A97CEF46884940213B1E556EE1_terseLabel_en-US" xlink:label="lab_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_5F4BB9A97CEF46884940213B1E556EE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Nature of Uncertainty </link:label> |
| | <link:label id="lab_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_5F4BB9A97CEF46884940213B1E556EE1_label_en-US" xlink:label="lab_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_5F4BB9A97CEF46884940213B1E556EE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nature of Uncertainty [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis" xlink:label="loc_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_5F4BB9A97CEF46884940213B1E556EE1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_5F4BB9A97CEF46884940213B1E556EE1" xlink:to="lab_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_5F4BB9A97CEF46884940213B1E556EE1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_1C82A27488C42CDA326F213B1E553C84_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_1C82A27488C42CDA326F213B1E553C84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Nature of Uncertainty </link:label> |
| | <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_1C82A27488C42CDA326F213B1E553C84_label_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_1C82A27488C42CDA326F213B1E553C84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Nature of Uncertainty [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_1C82A27488C42CDA326F213B1E553C84" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_1C82A27488C42CDA326F213B1E553C84" xlink:to="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_1C82A27488C42CDA326F213B1E553C84" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_37BE1F59857977B5A995213B1E56021D_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_37BE1F59857977B5A995213B1E56021D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Significant change in unrecognized tax benefits is reasonably possible </link:label> |
| | <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_37BE1F59857977B5A995213B1E56021D_label_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_37BE1F59857977B5A995213B1E56021D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] </link:label> |
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| | <link:label id="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_7C4C69BD89EE7BBEE401213B1E57A544_terseLabel_en-US" xlink:label="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_7C4C69BD89EE7BBEE401213B1E57A544" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reconciliation of the beginning and ending amount of unrecognized tax benefits </link:label> |
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| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HedgingDesignationAxis_2590AB4E32B9DA074745402681CB3FA7" xlink:to="lab_us-gaap_HedgingDesignationAxis_2590AB4E32B9DA074745402681CB3FA7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hedging Designation </link:label> |
| | <link:label id="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A_label_en-US" xlink:label="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Hedging Designation [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:to="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA_terseLabel_en-US" xlink:label="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Not designated as hedging instrument </link:label> |
| | <link:label id="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA_label_en-US" xlink:label="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Not Designated as Hedging Instrument, Economic Hedge [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:to="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instrument Risk </link:label> |
| | <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Instrument [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, Name </link:label> |
| | <link:label id="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0_label_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Contract [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:to="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:type="arc"/> |
| | <link:label id="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524_terseLabel_en-US" xlink:label="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> August 2017 interest rate cap </link:label> |
| | <link:label id="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524_label_en-US" xlink:label="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> August 2017 Interest Rate Cap [Member] </link:label> |
| | <link:label id="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524_documentation_en-US" xlink:label="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> August 2017 Interest Rate Cap </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_August2017InterestRateCapMember" xlink:label="loc_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:to="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:type="arc"/> |
| | <link:label id="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1_terseLabel_en-US" xlink:label="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> March 2017 interest rate cap </link:label> |
| | <link:label id="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1_label_en-US" xlink:label="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> March 2017 Interest Rate Cap [Member] </link:label> |
| | <link:label id="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1_documentation_en-US" xlink:label="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> March 2017 Interest Rate Cap </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_March2017InterestRateCapMember" xlink:label="loc_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:to="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:type="arc"/> |
| | <link:label id="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F_terseLabel_en-US" xlink:label="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> March and August 2017 interest rate caps </link:label> |
| | <link:label id="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F_label_en-US" xlink:label="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> March and August 2017 Interest Rate Caps [Member] </link:label> |
| | <link:label id="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F_documentation_en-US" xlink:label="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> March and August 2017 Interest Rate Caps </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_MarchandAugust2017InterestRateCapsMember" xlink:label="loc_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:to="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of the entity's interest rate derivatives included in the consolidated balance sheet </link:label> |
| | <link:label id="lab_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8_label_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivatives, Fair Value [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8" xlink:to="lab_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8" xlink:type="arc"/> |
| | <link:label id="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E_terseLabel_en-US" xlink:label="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of derivative agreements purchased </link:label> |
| | <link:label id="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E_label_en-US" xlink:label="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Number of Instruments Purchased </link:label> |
| | <link:label id="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E_documentation_en-US" xlink:label="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The number of derivative instruments of a particular group purchased by the entity. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DerivativeNumberofInstrumentsPurchased" xlink:label="loc_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:to="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate notional amount </link:label> |
| | <link:label id="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625_label_en-US" xlink:label="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Notional Amount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeNotionalAmount" xlink:label="loc_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:to="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Floor rate (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE_label_en-US" xlink:label="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Cap Interest Rate </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeCapInterestRate" xlink:label="loc_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:to="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate amount paid for interest rate caps </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDerivativeIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C" xlink:to="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative asset, fair value, gross asset </link:label> |
| | <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Asset, Fair Value, Gross Asset </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program </link:label> |
| | <link:label id="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B_label_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:to="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1_terseLabel_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program </link:label> |
| | <link:label id="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1_label_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:to="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:type="arc"/> |
| | <link:label id="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7_terseLabel_en-US" xlink:label="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> October 2019 Share Repurchase Program </link:label> |
| | <link:label id="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7_label_en-US" xlink:label="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> October 2019 Share Repurchase Program [Member] </link:label> |
| | <link:label id="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7_documentation_en-US" xlink:label="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> October 2019 share repurchase program. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_October2019ShareRepurchaseProgramMember" xlink:label="loc_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:to="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:type="arc"/> |
| | <link:label id="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972_terseLabel_en-US" xlink:label="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> October 2016 Share Repurchase Authorization </link:label> |
| | <link:label id="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972_label_en-US" xlink:label="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> October 2016 Share Repurchase Program [Member] </link:label> |
| | <link:label id="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972_documentation_en-US" xlink:label="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> October 2016 Share Repurchase Program </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_October2016ShareRepurchaseProgramMember" xlink:label="loc_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:to="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional disclosures </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchase program, authorized amount </link:label> |
| | <link:label id="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B_label_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program, Authorized Amount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:to="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchase program expiration date </link:label> |
| | <link:label id="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7_label_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program Expiration Date </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramExpirationDate" xlink:label="loc_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:to="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchased and retired during period (in shares) </link:label> |
| | <link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchased and Retired During Period, Shares </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020" xlink:to="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020" xlink:type="arc"/> |
| | <link:label id="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2_terseLabel_en-US" xlink:label="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchased and retired weighted average price per share </link:label> |
| | <link:label id="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2_label_en-US" xlink:label="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchased and Retired Weighted Average Price Per Share </link:label> |
| | <link:label id="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2_documentation_en-US" xlink:label="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the weighted average price per share of common stock repurchased and retired. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_StockRepurchasedandRetiredWeightedAveragePricePerShare" xlink:label="loc_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:to="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee benefit plans </link:label> |
| | <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement Benefits Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_6D0D1B9957579FBD9EFF3EFAF0EE46A0_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_6D0D1B9957579FBD9EFF3EFAF0EE46A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Stockholders' Equity [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_6D0D1B9957579FBD9EFF3EFAF0EE46A0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_6D0D1B9957579FBD9EFF3EFAF0EE46A0" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract_6D0D1B9957579FBD9EFF3EFAF0EE46A0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StatementEquityComponentsAxis_7E1E3052CE8594FCFED43EFAF0F4FEBC_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_7E1E3052CE8594FCFED43EFAF0F4FEBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Components </link:label> |
| | <link:label id="lab_us-gaap_StatementEquityComponentsAxis_7E1E3052CE8594FCFED43EFAF0F4FEBC_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_7E1E3052CE8594FCFED43EFAF0F4FEBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Components [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_7E1E3052CE8594FCFED43EFAF0F4FEBC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_7E1E3052CE8594FCFED43EFAF0F4FEBC" xlink:to="lab_us-gaap_StatementEquityComponentsAxis_7E1E3052CE8594FCFED43EFAF0F4FEBC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EquityComponentDomain_20BA26B2C92B7E5C0D9B3EFAF0F546E0_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_20BA26B2C92B7E5C0D9B3EFAF0F546E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Component </link:label> |
| | <link:label id="lab_us-gaap_EquityComponentDomain_20BA26B2C92B7E5C0D9B3EFAF0F546E0_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_20BA26B2C92B7E5C0D9B3EFAF0F546E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Component [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_20BA26B2C92B7E5C0D9B3EFAF0F546E0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityComponentDomain_20BA26B2C92B7E5C0D9B3EFAF0F546E0" xlink:to="lab_us-gaap_EquityComponentDomain_20BA26B2C92B7E5C0D9B3EFAF0F546E0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CommonStockMember_EF22456A9BDC65FABC7C3EFAF0F576C6_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember_EF22456A9BDC65FABC7C3EFAF0F576C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common Stock </link:label> |
| | <link:label id="lab_us-gaap_CommonStockMember_EF22456A9BDC65FABC7C3EFAF0F576C6_label_en-US" xlink:label="lab_us-gaap_CommonStockMember_EF22456A9BDC65FABC7C3EFAF0F576C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_EF22456A9BDC65FABC7C3EFAF0F576C6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember_EF22456A9BDC65FABC7C3EFAF0F576C6" xlink:to="lab_us-gaap_CommonStockMember_EF22456A9BDC65FABC7C3EFAF0F576C6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_9C6BCF6274ECF4BA7D523EFAF0F56197_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_9C6BCF6274ECF4BA7D523EFAF0F56197" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional Paid-In Capital </link:label> |
| | <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_9C6BCF6274ECF4BA7D523EFAF0F56197_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_9C6BCF6274ECF4BA7D523EFAF0F56197" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid-in Capital [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_9C6BCF6274ECF4BA7D523EFAF0F56197" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember_9C6BCF6274ECF4BA7D523EFAF0F56197" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember_9C6BCF6274ECF4BA7D523EFAF0F56197" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RetainedEarningsMember_AAE69716CC83A5A22A6A3EFAF0F515A4_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_AAE69716CC83A5A22A6A3EFAF0F515A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retained Earnings </link:label> |
| | <link:label id="lab_us-gaap_RetainedEarningsMember_AAE69716CC83A5A22A6A3EFAF0F515A4_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_AAE69716CC83A5A22A6A3EFAF0F515A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_AAE69716CC83A5A22A6A3EFAF0F515A4" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_615F58329A717D8809343EFAF0F65EEE_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_615F58329A717D8809343EFAF0F65EEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Loss </link:label> |
| | <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_615F58329A717D8809343EFAF0F65EEE_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_615F58329A717D8809343EFAF0F65EEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AOCI Attributable to Parent [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_615F58329A717D8809343EFAF0F65EEE" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_613AC39B0FD9323C84163EFAF0F6FDFC_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_613AC39B0FD9323C84163EFAF0F6FDFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Stockholders' Equity </link:label> |
| | <link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_613AC39B0FD9323C84163EFAF0F6FDFC_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_613AC39B0FD9323C84163EFAF0F6FDFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Stockholders' Equity [Roll Forward] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_613AC39B0FD9323C84163EFAF0F6FDFC" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_StockholdersEquity_541C9F6D7216AEE61F903EFAF0F67B42_periodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_541C9F6D7216AEE61F903EFAF0F67B42" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Beginning balance </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_541C9F6D7216AEE61F903EFAF0F67B42" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_CommonStockSharesIssued_2F34CC3E392D509934853EFAF0F7B27B_periodStartLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_2F34CC3E392D509934853EFAF0F7B27B" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Beginning balance (in shares) </link:label> |
| | <link:label id="lab_us-gaap_CommonStockSharesIssued_2F34CC3E392D509934853EFAF0F7B27B_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_2F34CC3E392D509934853EFAF0F7B27B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Issued </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_2F34CC3E392D509934853EFAF0F7B27B" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_715D9048EE1EFF6412843EFAF0F7C57C_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_715D9048EE1EFF6412843EFAF0F7C57C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss) </link:label> |
| | <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_715D9048EE1EFF6412843EFAF0F7C57C_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_715D9048EE1EFF6412843EFAF0F7C57C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_715D9048EE1EFF6412843EFAF0F7C57C" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_C41D1B1CC67F0B7FDE533EFAF0F79B93_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_C41D1B1CC67F0B7FDE533EFAF0F79B93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance of common stock under stock plans </link:label> |
| | <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_C41D1B1CC67F0B7FDE533EFAF0F79B93_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_C41D1B1CC67F0B7FDE533EFAF0F79B93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_C41D1B1CC67F0B7FDE533EFAF0F79B93" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_4D62FD3FBC4F624413763EFAF0F7FFF0_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_4D62FD3FBC4F624413763EFAF0F7FFF0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance of common stock under stock plans (in shares) </link:label> |
| | <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_4D62FD3FBC4F624413763EFAF0F7FFF0_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_4D62FD3FBC4F624413763EFAF0F7FFF0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_4D62FD3FBC4F624413763EFAF0F7FFF0" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_BC8B92ACDD47D003958E3EFAF0F8C8F6_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_BC8B92ACDD47D003958E3EFAF0F8C8F6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Surrender of RSUs for taxes </link:label> |
| | <link:label id="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_BC8B92ACDD47D003958E3EFAF0F8C8F6_label_en-US" xlink:label="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_BC8B92ACDD47D003958E3EFAF0F8C8F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Decrease for Tax Withholding Obligation </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_BC8B92ACDD47D003958E3EFAF0F8C8F6" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_8072CA82E37F6CBF92403EFAF0F83ACA_terseLabel_en-US" xlink:label="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_8072CA82E37F6CBF92403EFAF0F83ACA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Surrender of RSUs for taxes (in shares) </link:label> |
| | <link:label id="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_8072CA82E37F6CBF92403EFAF0F83ACA_label_en-US" xlink:label="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_8072CA82E37F6CBF92403EFAF0F83ACA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_8072CA82E37F6CBF92403EFAF0F83ACA" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_7BA80F74A112AF07EE293EFAF0F8C714_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_7BA80F74A112AF07EE293EFAF0F8C714" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation expense </link:label> |
| | <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_7BA80F74A112AF07EE293EFAF0F8C714_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_7BA80F74A112AF07EE293EFAF0F8C714" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> APIC, Share-based Payment Arrangement, Increase for Cost Recognition </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_7BA80F74A112AF07EE293EFAF0F8C714" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_1FC8DBCB70C619DF28A23EFAF0F8609C_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_1FC8DBCB70C619DF28A23EFAF0F8609C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Repurchase and retirement of common stock </link:label> |
| | <link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_1FC8DBCB70C619DF28A23EFAF0F8609C_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_1FC8DBCB70C619DF28A23EFAF0F8609C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchased and Retired During Period, Value </link:label> |
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| | <link:label id="lab_us-gaap_StockholdersEquityNoteSpinoffTransaction_59711D662CFEA2F352153EFAF0F98A82_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteSpinoffTransaction_59711D662CFEA2F352153EFAF0F98A82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Distribution of IAA </link:label> |
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| | <link:label id="lab_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF_negatedLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash dividends declared to stockholders </link:label> |
| | <link:label id="lab_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends, Common Stock, Cash </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF" xlink:to="lab_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StockholdersEquity_F89256564829031661A83EFAF0F963EB_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_F89256564829031661A83EFAF0F963EB" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_F89256564829031661A83EFAF0F963EB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_F89256564829031661A83EFAF0F963EB" xlink:to="lab_us-gaap_StockholdersEquity_F89256564829031661A83EFAF0F963EB" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CommonStockSharesIssued_9A4DAF8F7621C2013EF43EFAF0FADAD9_periodEndLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_9A4DAF8F7621C2013EF43EFAF0FADAD9" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance (in shares) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_9A4DAF8F7621C2013EF43EFAF0FADAD9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued_9A4DAF8F7621C2013EF43EFAF0FADAD9" xlink:to="lab_us-gaap_CommonStockSharesIssued_9A4DAF8F7621C2013EF43EFAF0FADAD9" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of property and equipment </link:label> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes </link:label> |
| | <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0_terseLabel_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Stock </link:label> |
| | <link:label id="lab_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Stock [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0" xlink:to="lab_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Stock </link:label> |
| | <link:label id="lab_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Stock [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2" xlink:to="lab_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ED427EA0DF21C074E039213B20A7C965_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ED427EA0DF21C074E039213B20A7C965" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade receivables, allowances (in dollars) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ED427EA0DF21C074E039213B20A7C965" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ED427EA0DF21C074E039213B20A7C965" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ED427EA0DF21C074E039213B20A7C965" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_202B62FA4D2000EC93C8213B20A7BB99_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_202B62FA4D2000EC93C8213B20A7BB99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance receivables, allowances (in dollars) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_202B62FA4D2000EC93C8213B20A7BB99" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_202B62FA4D2000EC93C8213B20A7BB99" xlink:to="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_202B62FA4D2000EC93C8213B20A7BB99" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_29AA8E393048A2B24719213B20A70551_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_29AA8E393048A2B24719213B20A70551" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer relationships, accumulated amortization (in dollars) </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_29AA8E393048A2B24719213B20A70551_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_29AA8E393048A2B24719213B20A70551" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Accumulated Amortization </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_29AA8E393048A2B24719213B20A70551" xlink:type="locator"/> |
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| | <link:label id="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_303FE4464F5840ADF3B6213B20A88D52_terseLabel_en-US" xlink:label="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_303FE4464F5840ADF3B6213B20A88D52" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other intangible assets, accumulated amortization (in dollars) </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_OtherIntangibleAssetsAccumulatedAmortization" xlink:label="loc_kar_OtherIntangibleAssetsAccumulatedAmortization_303FE4464F5840ADF3B6213B20A88D52" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_B317E08C7CAA5522E37F213B20A85924_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_B317E08C7CAA5522E37F213B20A85924" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_B317E08C7CAA5522E37F213B20A85924" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, par value (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Par or Stated Value Per Share </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, authorized shares </link:label> |
| | <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Authorized </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, issued shares </link:label> |
| | <link:label id="lab_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Issued </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, authorized shares </link:label> |
| | <link:label id="lab_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares Authorized </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_CommonStockSharesIssued_E419EC7D215D6E4ADF3C213B20A9B510_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_E419EC7D215D6E4ADF3C213B20A9B510" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, issued shares </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_E419EC7D215D6E4ADF3C213B20A9B510" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, outstanding shares </link:label> |
| | <link:label id="lab_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Outstanding </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B" xlink:to="lab_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B" xlink:type="arc"/> |
| | <link:label id="lab_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70_label_en-US" xlink:label="lab_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Acquisitions and Equity Method Investments [Abstract] </link:label> |
| | <link:label id="lab_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70_documentation_en-US" xlink:label="lab_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AcquisitionsandEquityMethodInvestmentsAbstract" xlink:label="loc_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70" xlink:to="lab_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70" xlink:type="arc"/> |
| | <link:label id="lab_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC_terseLabel_en-US" xlink:label="lab_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acquisitions and Equity Method Investments </link:label> |
| | <link:label id="lab_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC_label_en-US" xlink:label="lab_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Acquisitions and equity method investments [Text Block] </link:label> |
| | <link:label id="lab_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC_documentation_en-US" xlink:label="lab_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents entire disclosure for acquisitions and equity method investments </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AcquisitionsandequitymethodinvestmentsTextBlock" xlink:label="loc_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC" xlink:to="lab_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC" xlink:type="arc"/> |
| | <link:label id="lab_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75_label_en-US" xlink:label="lab_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document and Entity Information </link:label> |
| | <link:label id="lab_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75_documentation_en-US" xlink:label="lab_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DocumentAndEntityInformationAbstract" xlink:label="loc_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75" xlink:to="lab_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75" xlink:type="arc"/> |
| | <link:label id="lab_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity central index key </link:label> |
| | <link:label id="lab_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Central Index Key </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8" xlink:to="lab_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8" xlink:type="arc"/> |
| | <link:label id="lab_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current fiscal year end date </link:label> |
| | <link:label id="lab_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current Fiscal Year End Date </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C" xlink:to="lab_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C" xlink:type="arc"/> |
| | <link:label id="lab_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document fiscal year focus </link:label> |
| | <link:label id="lab_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Fiscal Year Focus </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C" xlink:to="lab_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C" xlink:type="arc"/> |
| | <link:label id="lab_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document fiscal period focus </link:label> |
| | <link:label id="lab_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Fiscal Period Focus </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B" xlink:to="lab_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B" xlink:type="arc"/> |
| | <link:label id="lab_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amendment flag </link:label> |
| | <link:label id="lab_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF_label_en-US" xlink:label="lab_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amendment Flag </link:label> |
| | <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF" xlink:to="lab_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0B7A0BBDE862AE57C60A3EFAEF94D5B9_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0B7A0BBDE862AE57C60A3EFAEF94D5B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations </link:label> |
| | <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0B7A0BBDE862AE57C60A3EFAEF94D5B9_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0B7A0BBDE862AE57C60A3EFAEF94D5B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0B7A0BBDE862AE57C60A3EFAEF94D5B9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0B7A0BBDE862AE57C60A3EFAEF94D5B9" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0B7A0BBDE862AE57C60A3EFAEF94D5B9" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109_label_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupClassificationAxis" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109" xlink:to="lab_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupClassificationDomain_040F58AA01F8DBAE044E3EFAEF95CF95_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationDomain_040F58AA01F8DBAE044E3EFAEF95CF95" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupClassificationDomain_040F58AA01F8DBAE044E3EFAEF95CF95_label_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationDomain_040F58AA01F8DBAE044E3EFAEF95CF95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupClassificationDomain" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_040F58AA01F8DBAE044E3EFAEF95CF95" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_040F58AA01F8DBAE044E3EFAEF95CF95" xlink:to="lab_us-gaap_DisposalGroupClassificationDomain_040F58AA01F8DBAE044E3EFAEF95CF95" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeStatementLocationAxis_3A21203E37C6BC6B9E2D3EFAEF9574D0_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_3A21203E37C6BC6B9E2D3EFAEF9574D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement Location </link:label> |
| | <link:label id="lab_us-gaap_IncomeStatementLocationAxis_3A21203E37C6BC6B9E2D3EFAEF9574D0_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_3A21203E37C6BC6B9E2D3EFAEF9574D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_3A21203E37C6BC6B9E2D3EFAEF9574D0" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_IncomeStatementLocationDomain_5F64C5FF5CD9ED86C5AF3EFAEF95552D_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_5F64C5FF5CD9ED86C5AF3EFAEF95552D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement Location </link:label> |
| | <link:label id="lab_us-gaap_IncomeStatementLocationDomain_5F64C5FF5CD9ED86C5AF3EFAEF95552D_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_5F64C5FF5CD9ED86C5AF3EFAEF95552D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_5F64C5FF5CD9ED86C5AF3EFAEF95552D" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_56320B578E4DBA020F643EFAEF96999B_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_56320B578E4DBA020F643EFAEF96999B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations </link:label> |
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| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_56320B578E4DBA020F643EFAEF96999B" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_56320B578E4DBA020F643EFAEF96999B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash distribution received from IAA </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Consideration </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2" xlink:type="arc"/> |
| | <link:label id="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7_terseLabel_en-US" xlink:label="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Professional fees associated with spin-off </link:label> |
| | <link:label id="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7_label_en-US" xlink:label="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Professional Fees Associated With Discontinued Operations </link:label> |
| | <link:label id="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7_documentation_en-US" xlink:label="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Professional fees associated with discontinued operations. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ProfessionalFeesAssociatedWithDiscontinuedOperations" xlink:label="loc_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:to="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations - Results of Operations </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E_label_en-US" xlink:label="lab_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E" xlink:to="lab_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating revenues </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Revenue </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of services (exclusive of depreciation and amortization) </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Costs of Goods Sold </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general and administrative </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, General and Administrative Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label> |
| | <link:label id="lab_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5_label_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation and Amortization, Discontinued Operations </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationAndAmortizationDiscontinuedOperations" xlink:label="loc_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5" xlink:to="lab_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Operating Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_A4A306259D97D080CC6C3EFAEF9749F7_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_A4A306259D97D080CC6C3EFAEF9749F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating profit </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_A4A306259D97D080CC6C3EFAEF9749F7_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_A4A306259D97D080CC6C3EFAEF9749F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Operating Income (Loss) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_A4A306259D97D080CC6C3EFAEF9749F7" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_0C82491BA69D5D76BFD73EFAEF97657B_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_0C82491BA69D5D76BFD73EFAEF97657B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_0C82491BA69D5D76BFD73EFAEF97657B_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_0C82491BA69D5D76BFD73EFAEF97657B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Interest Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_0C82491BA69D5D76BFD73EFAEF97657B" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_253231BF2ECFED968CBC3EFAEF98193E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_253231BF2ECFED968CBC3EFAEF98193E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Other income, net </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_253231BF2ECFED968CBC3EFAEF98193E_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_253231BF2ECFED968CBC3EFAEF98193E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Income </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_253231BF2ECFED968CBC3EFAEF98193E" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5F0D1E0D3F5C3FF70FF53EFAEF98FB2B_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5F0D1E0D3F5C3FF70FF53EFAEF98FB2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income from discontinued operations before income taxes </link:label> |
| | <link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5F0D1E0D3F5C3FF70FF53EFAEF98FB2B_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5F0D1E0D3F5C3FF70FF53EFAEF98FB2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5F0D1E0D3F5C3FF70FF53EFAEF98FB2B" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_375AA601DDF82068BE5D3EFAEF988A9D_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_375AA601DDF82068BE5D3EFAEF988A9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income taxes </link:label> |
| | <link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_375AA601DDF82068BE5D3EFAEF988A9D_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_375AA601DDF82068BE5D3EFAEF988A9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Tax Effect of Discontinued Operation </link:label> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_67286BB4A68ACD5385143EFAEF987433" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations - Major Classes of Assets and Liabilities </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade receivables, net </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Assets, Current </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_713E40CA67D56B91887A3EFAEF9E9956_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_713E40CA67D56B91887A3EFAEF9E9956" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_713E40CA67D56B91887A3EFAEF9E9956_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_713E40CA67D56B91887A3EFAEF9E9956" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Goodwill </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_713E40CA67D56B91887A3EFAEF9E9956" xlink:type="locator"/> |
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| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer relationships, net </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF_label_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Customer Relationships Net </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Customer Relationships Net </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet" xlink:label="loc_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other intangible assets, net </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Intangible Assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A" xlink:type="arc"/> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease right-of-use assets </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700_label_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Operating Lease Right-of-Use-Assets </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Operating Lease Right-of-Use-Assets </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets" xlink:label="loc_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_591A2E40DB94456794DC3EFAEF9F03B8_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_591A2E40DB94456794DC3EFAEF9F03B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_591A2E40DB94456794DC3EFAEF9F03B8_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_591A2E40DB94456794DC3EFAEF9F03B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_591A2E40DB94456794DC3EFAEF9F03B8" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Property, Plant and Equipment </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_6C75621F6532AFA91EE13EFAEF9FA904_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_6C75621F6532AFA91EE13EFAEF9FA904" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total assets, discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_6C75621F6532AFA91EE13EFAEF9FA904_label_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_6C75621F6532AFA91EE13EFAEF9FA904" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_6C75621F6532AFA91EE13EFAEF9FA904" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable_8628A97F8E6009603AF63EFAEF9F378E_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable_8628A97F8E6009603AF63EFAEF9F378E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable_8628A97F8E6009603AF63EFAEF9F378E_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable_8628A97F8E6009603AF63EFAEF9F378E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accounts Payable </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable_8628A97F8E6009603AF63EFAEF9F378E" xlink:type="locator"/> |
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| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationEmployeeBenefitsandAccruedCompensation_832CCF0F1E54F54A403E3EFAEFA0B5B2_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationEmployeeBenefitsandAccruedCompensation_832CCF0F1E54F54A403E3EFAEFA0B5B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued employee benefits and compensation expenses </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationEmployeeBenefitsandAccruedCompensation_832CCF0F1E54F54A403E3EFAEFA0B5B2_label_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationEmployeeBenefitsandAccruedCompensation_832CCF0F1E54F54A403E3EFAEFA0B5B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Employee Benefits and Accrued Compensation </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationEmployeeBenefitsandAccruedCompensation_832CCF0F1E54F54A403E3EFAEFA0B5B2_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationEmployeeBenefitsandAccruedCompensation_832CCF0F1E54F54A403E3EFAEFA0B5B2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Employee Benefits and Accrued Compensation </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DisposalGroupIncludingDiscontinuedOperationEmployeeBenefitsandAccruedCompensation" xlink:label="loc_kar_DisposalGroupIncludingDiscontinuedOperationEmployeeBenefitsandAccruedCompensation_832CCF0F1E54F54A403E3EFAEFA0B5B2" xlink:type="locator"/> |
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| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses_CAF1BC33E102EB2184403EFAEFA076F2_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses_CAF1BC33E102EB2184403EFAEFA076F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other accrued expenses </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses_CAF1BC33E102EB2184403EFAEFA076F2_label_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses_CAF1BC33E102EB2184403EFAEFA076F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Other Accrued Expenses </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses_CAF1BC33E102EB2184403EFAEFA076F2_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses_CAF1BC33E102EB2184403EFAEFA076F2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Other Accrued Expenses </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses" xlink:label="loc_kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses_CAF1BC33E102EB2184403EFAEFA076F2" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable_9D6BBE5CF1126AAB0ACE3EFAEFA0BE74_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable_9D6BBE5CF1126AAB0ACE3EFAEFA0BE74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income taxes payable </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable_9D6BBE5CF1126AAB0ACE3EFAEFA0BE74_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable_9D6BBE5CF1126AAB0ACE3EFAEFA0BE74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accrued Income Tax Payable </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable_9D6BBE5CF1126AAB0ACE3EFAEFA0BE74" xlink:type="locator"/> |
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| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_4C884B913F8E16740AE93EFAEFA07026_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_4C884B913F8E16740AE93EFAEFA07026" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_4C884B913F8E16740AE93EFAEFA07026_label_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_4C884B913F8E16740AE93EFAEFA07026" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Long Term Debt </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_4C884B913F8E16740AE93EFAEFA07026_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_4C884B913F8E16740AE93EFAEFA07026" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Long Term Debt </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt" xlink:label="loc_kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_4C884B913F8E16740AE93EFAEFA07026" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_E1CED8FFBAFA0810E8AF3EFAEFA0D0B5_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_E1CED8FFBAFA0810E8AF3EFAEFA0D0B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income tax liabilities </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_E1CED8FFBAFA0810E8AF3EFAEFA0D0B5_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_E1CED8FFBAFA0810E8AF3EFAEFA0D0B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_E1CED8FFBAFA0810E8AF3EFAEFA0D0B5" xlink:type="locator"/> |
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| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease liabilities </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785_label_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Operating Lease Liability </link:label> |
| | <link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Operating Lease Liability </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability" xlink:label="loc_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities_E5A51479440EC6835E3E3EFAEFA1D0C2_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities_E5A51479440EC6835E3E3EFAEFA1D0C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other liabilities </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities_E5A51479440EC6835E3E3EFAEFA1D0C2_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities_E5A51479440EC6835E3E3EFAEFA1D0C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Liabilities </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities_E5A51479440EC6835E3E3EFAEFA1D0C2" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_0AE366D36D259FB3D9893EFAEFA1DDF6_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_0AE366D36D259FB3D9893EFAEFA1DDF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities, discontinued operations </link:label> |
| | <link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_0AE366D36D259FB3D9893EFAEFA1DDF6_label_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_0AE366D36D259FB3D9893EFAEFA1DDF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_0AE366D36D259FB3D9893EFAEFA1DDF6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_0AE366D36D259FB3D9893EFAEFA1DDF6" xlink:to="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_0AE366D36D259FB3D9893EFAEFA1DDF6" xlink:type="arc"/> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708_terseLabel_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Reserves </link:label> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708_label_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Reserves Disclosure.[Text Block] </link:label> |
| | <link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708_documentation_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents entire disclosure of Self Insurance and Retained Loss Reserves </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock" xlink:label="loc_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708" xlink:to="lab_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_0B6DE3ACFE88A0FFF14A9125BD282738_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_0B6DE3ACFE88A0FFF14A9125BD282738" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Information </link:label> |
| | <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_0B6DE3ACFE88A0FFF14A9125BD282738_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_0B6DE3ACFE88A0FFF14A9125BD282738" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_0B6DE3ACFE88A0FFF14A9125BD282738" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureTextBlock_0B6DE3ACFE88A0FFF14A9125BD282738" xlink:to="lab_us-gaap_SegmentReportingDisclosureTextBlock_0B6DE3ACFE88A0FFF14A9125BD282738" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_C727B2277BC2ECD948A93EFAEEEA3B13_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_C727B2277BC2ECD948A93EFAEEEA3B13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of computation of net income from continuing operations per share </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_C727B2277BC2ECD948A93EFAEEEA3B13_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_C727B2277BC2ECD948A93EFAEEEA3B13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_C727B2277BC2ECD948A93EFAEEEA3B13" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_21CC57886507DADF95959125BDDC9C5E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_21CC57886507DADF95959125BDDC9C5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of components of income before income taxes </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_21CC57886507DADF95959125BDDC9C5E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_21CC57886507DADF95959125BDDC9C5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_21CC57886507DADF95959125BDDC9C5E" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_F1FD554F13F78A6E21AA9125BDDCD7A1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_F1FD554F13F78A6E21AA9125BDDCD7A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of components of the provision for income taxes </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_F1FD554F13F78A6E21AA9125BDDCD7A1_label_en-US" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_F1FD554F13F78A6E21AA9125BDDCD7A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_F1FD554F13F78A6E21AA9125BDDCD7A1" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_61950B55A24ECA524E929125BDDD84FC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_61950B55A24ECA524E929125BDDD84FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of deferred tax assets (liabilities) </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_61950B55A24ECA524E929125BDDD84FC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_61950B55A24ECA524E929125BDDD84FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Deferred Tax Assets and Liabilities [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_61950B55A24ECA524E929125BDDD84FC" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_6E4283B21D44F9BA31F49125BDDD4575_terseLabel_en-US" xlink:label="lab_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_6E4283B21D44F9BA31F49125BDDD4575" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of expirations of gross tax benefit from state and federal net operating loss carryforwards </link:label> |
| | <link:label id="lab_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_6E4283B21D44F9BA31F49125BDDD4575_label_en-US" xlink:label="lab_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_6E4283B21D44F9BA31F49125BDDD4575" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Summary of Operating Loss Carryforwards [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock" xlink:label="loc_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_6E4283B21D44F9BA31F49125BDDD4575" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_6E4283B21D44F9BA31F49125BDDD4575" xlink:to="lab_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_6E4283B21D44F9BA31F49125BDDD4575" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_B3583C162AE5050A4F539125BDDD601E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_B3583C162AE5050A4F539125BDDD601E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of reconciliation of the beginning and ending amount of unrecognized tax benefits </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_B3583C162AE5050A4F539125BDDD601E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_B3583C162AE5050A4F539125BDDD601E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_B3583C162AE5050A4F539125BDDD601E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_B3583C162AE5050A4F539125BDDD601E" xlink:to="lab_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_B3583C162AE5050A4F539125BDDD601E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_5FAD314AD37E5A01350E4442A9492C00_terseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_5FAD314AD37E5A01350E4442A9492C00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Organization and Other Matters </link:label> |
| | <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_5FAD314AD37E5A01350E4442A9492C00_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_5FAD314AD37E5A01350E4442A9492C00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_5FAD314AD37E5A01350E4442A9492C00" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_5FAD314AD37E5A01350E4442A9492C00" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_5FAD314AD37E5A01350E4442A9492C00" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1A632739922554C92684213B1E4931AE_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1A632739922554C92684213B1E4931AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments and contingencies </link:label> |
| | <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1A632739922554C92684213B1E4931AE_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1A632739922554C92684213B1E4931AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1A632739922554C92684213B1E4931AE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1A632739922554C92684213B1E4931AE" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1A632739922554C92684213B1E4931AE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_CC68A8B6CC199A307AF5213B2094B23C_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_CC68A8B6CC199A307AF5213B2094B23C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash dividends declared to stockholders (in dollars per share) </link:label> |
| | <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_CC68A8B6CC199A307AF5213B2094B23C_label_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_CC68A8B6CC199A307AF5213B2094B23C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Dividends, Per Share, Declared </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_CC68A8B6CC199A307AF5213B2094B23C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockDividendsPerShareDeclared_CC68A8B6CC199A307AF5213B2094B23C" xlink:to="lab_us-gaap_CommonStockDividendsPerShareDeclared_CC68A8B6CC199A307AF5213B2094B23C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_CF8164DDE04E431D9D2A3EFAEFAF6C69_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_CF8164DDE04E431D9D2A3EFAEFAF6C69" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> IAA Separation and Discontinued Operations </link:label> |
| | <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_CF8164DDE04E431D9D2A3EFAEFAF6C69_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_CF8164DDE04E431D9D2A3EFAEFAF6C69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_CF8164DDE04E431D9D2A3EFAEFAF6C69" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_CF8164DDE04E431D9D2A3EFAEFAF6C69" xlink:to="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_CF8164DDE04E431D9D2A3EFAEFAF6C69" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMember_6696CB7DB355096F695A3EFAEF48DD8E_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMember_6696CB7DB355096F695A3EFAEF48DD8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued operations, spin-off </link:label> |
| | <link:label id="lab_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMember_6696CB7DB355096F695A3EFAEF48DD8E_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMember_6696CB7DB355096F695A3EFAEF48DD8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMember" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMember_6696CB7DB355096F695A3EFAEF48DD8E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMember_6696CB7DB355096F695A3EFAEF48DD8E" xlink:to="lab_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoffMember_6696CB7DB355096F695A3EFAEF48DD8E" xlink:type="arc"/> |
| | <link:label id="lab_kar_IAAPRSUsHeldByKARMember_299F6C11760DCB4C6C6D3EFAEF4AD7CB_terseLabel_en-US" xlink:label="lab_kar_IAAPRSUsHeldByKARMember_299F6C11760DCB4C6C6D3EFAEF4AD7CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> IAA PRSUs held by KAR </link:label> |
| | <link:label id="lab_kar_IAAPRSUsHeldByKARMember_299F6C11760DCB4C6C6D3EFAEF4AD7CB_label_en-US" xlink:label="lab_kar_IAAPRSUsHeldByKARMember_299F6C11760DCB4C6C6D3EFAEF4AD7CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> IAA PRSUs Held By KAR [Member] </link:label> |
| | <link:label id="lab_kar_IAAPRSUsHeldByKARMember_299F6C11760DCB4C6C6D3EFAEF4AD7CB_documentation_en-US" xlink:label="lab_kar_IAAPRSUsHeldByKARMember_299F6C11760DCB4C6C6D3EFAEF4AD7CB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> IAA PRSUs Held By KAR. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_IAAPRSUsHeldByKARMember" xlink:label="loc_kar_IAAPRSUsHeldByKARMember_299F6C11760DCB4C6C6D3EFAEF4AD7CB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_IAAPRSUsHeldByKARMember_299F6C11760DCB4C6C6D3EFAEF4AD7CB" xlink:to="lab_kar_IAAPRSUsHeldByKARMember_299F6C11760DCB4C6C6D3EFAEF4AD7CB" xlink:type="arc"/> |
| | <link:label id="lab_kar_IAARSUsHeldByKARMember_A27B6D71BEA1582324C13EFAEF4F563D_terseLabel_en-US" xlink:label="lab_kar_IAARSUsHeldByKARMember_A27B6D71BEA1582324C13EFAEF4F563D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> IAA RSUs held by KAR </link:label> |
| | <link:label id="lab_kar_IAARSUsHeldByKARMember_A27B6D71BEA1582324C13EFAEF4F563D_label_en-US" xlink:label="lab_kar_IAARSUsHeldByKARMember_A27B6D71BEA1582324C13EFAEF4F563D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> IAA RSUs Held By KAR [Member] </link:label> |
| | <link:label id="lab_kar_IAARSUsHeldByKARMember_A27B6D71BEA1582324C13EFAEF4F563D_documentation_en-US" xlink:label="lab_kar_IAARSUsHeldByKARMember_A27B6D71BEA1582324C13EFAEF4F563D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> IAA RSUs Held By KAR. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_IAARSUsHeldByKARMember" xlink:label="loc_kar_IAARSUsHeldByKARMember_A27B6D71BEA1582324C13EFAEF4F563D" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_845460B4EF542D17FC693EFAEF537034_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_845460B4EF542D17FC693EFAEF537034" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs vesting period </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_845460B4EF542D17FC693EFAEF537034_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_845460B4EF542D17FC693EFAEF537034" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_845460B4EF542D17FC693EFAEF537034" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_10093C8A20BA078163A23EFAEF5335AC_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_10093C8A20BA078163A23EFAEF5335AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of shares vested during period </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_10093C8A20BA078163A23EFAEF5335AC_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_10093C8A20BA078163A23EFAEF5335AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_10093C8A20BA078163A23EFAEF5335AC" xlink:type="locator"/> |
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| | <link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568_terseLabel_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of equal annual installments </link:label> |
| | <link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568_label_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement by Share Based Payment Award Number of Equal Annual Installments for Award Vesting </link:label> |
| | <link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568_documentation_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of equal annual installments over which the awards vest, from date of grant. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting" xlink:label="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of PRSUs and/or RSUs </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] </link:label> |
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| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs outstanding at the beginning of period (in shares) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number </link:label> |
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| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs grants (in shares) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period </link:label> |
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| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in shares) </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period </link:label> |
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| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3774FE16F62F6E33C3303EFAEF545DB7_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3774FE16F62F6E33C3303EFAEF545DB7" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs outstanding at the end of period (in shares) </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3774FE16F62F6E33C3303EFAEF545DB7" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Grant Date Fair Value </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs outstanding weighted average grant date fair value </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </link:label> |
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| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D1BE05AB915C7A17132A3EFAEF55E9F6_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D1BE05AB915C7A17132A3EFAEF55E9F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs grant date fair value </link:label> |
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| | <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_46D09540C06088B09F053EFAEF55392F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_46D09540C06088B09F053EFAEF55392F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested (in dollars per share) </link:label> |
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| | <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of customer relationships </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross carrying amount </link:label> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Gross </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7C35F3F8EDD582A45185213B1F82D7E8_negatedLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7C35F3F8EDD582A45185213B1F82D7E8" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accumulated amortization </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7C35F3F8EDD582A45185213B1F82D7E8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7C35F3F8EDD582A45185213B1F82D7E8" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7C35F3F8EDD582A45185213B1F82D7E8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0313C46AE7A08EC4229B213B1F824CF9_totalLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0313C46AE7A08EC4229B213B1F824CF9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Carrying value </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0313C46AE7A08EC4229B213B1F824CF9" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0313C46AE7A08EC4229B213B1F824CF9" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0313C46AE7A08EC4229B213B1F824CF9" xlink:type="arc"/> |
| | <link:label id="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53_terseLabel_en-US" xlink:label="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> European Line of Credit </link:label> |
| | <link:label id="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53_label_en-US" xlink:label="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> European Line of Credit [Member] </link:label> |
| | <link:label id="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53_documentation_en-US" xlink:label="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> European Line of Credit. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_EuropeanLineofCreditMember" xlink:label="loc_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:to="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign line of credit </link:label> |
| | <link:label id="lab_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5_label_en-US" xlink:label="lab_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Line of Credit [Member] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignLineOfCreditMember" xlink:label="loc_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5" xlink:to="lab_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5" xlink:type="arc"/> |
| | <link:label id="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Euribor rate </link:label> |
| | <link:label id="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290_label_en-US" xlink:label="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> DebtInstrumentEuriborRate [Member] </link:label> |
| | <link:label id="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290_documentation_en-US" xlink:label="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument Euribor Rate. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentEuriborRateMember" xlink:label="loc_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:to="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:type="arc"/> |
| | <link:label id="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CAD Prime </link:label> |
| | <link:label id="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336_label_en-US" xlink:label="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument Canadian Prime Rate [Member] </link:label> |
| | <link:label id="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336_documentation_en-US" xlink:label="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the Canadian prime rate, which is used to calculate the variable interest rate of the debt instrument. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentCanadianPrimeRateMember" xlink:label="loc_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:to="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_0A45566C7982F23F17AF54D78F2922A7_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_0A45566C7982F23F17AF54D78F2922A7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total debt </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_0A45566C7982F23F17AF54D78F2922A7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_0A45566C7982F23F17AF54D78F2922A7" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount_0A45566C7982F23F17AF54D78F2922A7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0B7A04365A47ED3818FE54D78F2A94C4_negatedLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0B7A04365A47ED3818FE54D78F2A94C4" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Unamortized debt issuance costs/discounts </link:label> |
| | <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0B7A04365A47ED3818FE54D78F2A94C4_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0B7A04365A47ED3818FE54D78F2A94C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0B7A04365A47ED3818FE54D78F2A94C4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0B7A04365A47ED3818FE54D78F2A94C4" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0B7A04365A47ED3818FE54D78F2A94C4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtCurrent_9FF2DB840D1778ABA53C54D78F2AF2CD_negatedLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_9FF2DB840D1778ABA53C54D78F2AF2CD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Current portion of long-term debt </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_9FF2DB840D1778ABA53C54D78F2AF2CD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent_9FF2DB840D1778ABA53C54D78F2AF2CD" xlink:to="lab_us-gaap_LongTermDebtCurrent_9FF2DB840D1778ABA53C54D78F2AF2CD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5_terseLabel_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average interest rate on debt (as a percent) </link:label> |
| | <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5_label_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt, Weighted Average Interest Rate </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5" xlink:to="lab_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Future Principal Payments </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6_label_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Fiscal Year Maturity [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="loc_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6" xlink:to="lab_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Two </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Three </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Four </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Five </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal after Year Five </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label> |
| | <link:label id="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:to="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:type="arc"/> |
| | <link:label id="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95_label_en-US" xlink:label="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental cash flow information related to leases [Abstract] </link:label> |
| | <link:label id="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95_documentation_en-US" xlink:label="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Supplemental cash flow information related to leases [Abstract] </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SupplementalcashflowinformationrelatedtoleasesAbstract" xlink:label="loc_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:to="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:type="arc"/> |
| | <link:label id="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE_terseLabel_en-US" xlink:label="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Paid For Amounts Included In Measurement Of Lease Liabilities </link:label> |
| | <link:label id="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE_label_en-US" xlink:label="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract] </link:label> |
| | <link:label id="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE_documentation_en-US" xlink:label="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cash Paid For Amounts Included In Measurement Of Lease Liabilities </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" xlink:label="loc_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:to="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating cash flows related to operating leases </link:label> |
| | <link:label id="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37_label_en-US" xlink:label="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Payments </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:label="loc_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:to="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating cash flows related to finance leases </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Interest Payment on Liability </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:label="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:to="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financing cash flows related to finance leases </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF_label_en-US" xlink:label="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Principal Payments </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeasePrincipalPayments" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:to="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:type="arc"/> |
| | <link:label id="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA_terseLabel_en-US" xlink:label="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Right-Of-Use Assets Obtained In Exchange For Lease Obligations </link:label> |
| | <link:label id="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA_label_en-US" xlink:label="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Right-Of-Use Assets Obtained In Exchange For Lease Obligations [Abstract] </link:label> |
| | <link:label id="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA_documentation_en-US" xlink:label="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Right-Of-Use Assets Obtained In Exchange For Lease Obligations </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract" xlink:label="loc_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:to="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A_terseLabel_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating leases </link:label> |
| | <link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A_label_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Right-of-Use Asset Obtained in Exchange for Operating Lease Liability </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A" xlink:to="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A_terseLabel_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance leases </link:label> |
| | <link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A_label_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Right-of-Use Asset Obtained in Exchange for Finance Lease Liability </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:to="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance Receivables and Obligations Collateralized by Finance Receivables </link:label> |
| | <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856_label_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transfers and Servicing of Financial Assets [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:to="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:type="arc"/> |
| | <link:label id="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3_terseLabel_en-US" xlink:label="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CarsOnTheWeb </link:label> |
| | <link:label id="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3_label_en-US" xlink:label="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> CarsOnTheWeb [Member] </link:label> |
| | <link:label id="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3_documentation_en-US" xlink:label="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to CarsOnTheWeb </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_CarsOnTheWebMember" xlink:label="loc_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:to="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Repayments of assumed debt </link:label> |
| | <link:label id="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Assumed Debt </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfAssumedDebt" xlink:label="loc_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:to="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of long-term debt </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:to="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of aggregate future principal payments on long-term debt </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932_label_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Maturities of Long-term Debt [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:to="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841" xlink:to="lab_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841" xlink:type="arc"/> |
| | <link:label id="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11_terseLabel_en-US" xlink:label="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Auction fees and services revenue </link:label> |
| | <link:label id="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11_label_en-US" xlink:label="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Auction Fees and Services Revenue </link:label> |
| | <link:label id="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11_documentation_en-US" xlink:label="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Auction fees and services revenue. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AuctionFeesandServicesRevenue" xlink:label="loc_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:to="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:type="arc"/> |
| | <link:label id="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0_terseLabel_en-US" xlink:label="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchased vehicle sales </link:label> |
| | <link:label id="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0_label_en-US" xlink:label="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchased Vehicle Sales </link:label> |
| | <link:label id="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0_documentation_en-US" xlink:label="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Purchased vehicle sales </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_PurchasedVehicleSales" xlink:label="loc_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:to="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:type="arc"/> |
| | <link:label id="lab_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B_terseLabel_en-US" xlink:label="lab_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance-related revenue </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FinancerelatedRevenue" xlink:label="loc_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B" xlink:to="lab_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_Revenues_59D49FF3E23D4D3C65DC4099C48B743C_totalLabel_en-US" xlink:label="lab_us-gaap_Revenues_59D49FF3E23D4D3C65DC4099C48B743C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating revenues </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_59D49FF3E23D4D3C65DC4099C48B743C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues_59D49FF3E23D4D3C65DC4099C48B743C" xlink:to="lab_us-gaap_Revenues_59D49FF3E23D4D3C65DC4099C48B743C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_CostsAndExpenses_3D13C37AFEAEA2864CEF4099C48C235B_totalLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpenses_3D13C37AFEAEA2864CEF4099C48C235B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_3D13C37AFEAEA2864CEF4099C48C235B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpenses_3D13C37AFEAEA2864CEF4099C48C235B" xlink:to="lab_us-gaap_CostsAndExpenses_3D13C37AFEAEA2864CEF4099C48C235B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingIncomeLoss_E8DF14DC6C9C538FED344099C48CE682_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_E8DF14DC6C9C538FED344099C48CE682" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Operating profit </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_E8DF14DC6C9C538FED344099C48CE682" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss_E8DF14DC6C9C538FED344099C48CE682" xlink:to="lab_us-gaap_OperatingIncomeLoss_E8DF14DC6C9C538FED344099C48CE682" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_4AB14CB37B4EA92C17A34099C48DC5CD_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_4AB14CB37B4EA92C17A34099C48DC5CD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Other income, net </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_4AB14CB37B4EA92C17A34099C48DC5CD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_4AB14CB37B4EA92C17A34099C48DC5CD" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpense_4AB14CB37B4EA92C17A34099C48DC5CD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_8839A7906233E45D9EFB4099C48E097F_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_8839A7906233E45D9EFB4099C48E097F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_8839A7906233E45D9EFB4099C48E097F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_8839A7906233E45D9EFB4099C48E097F" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperations_8839A7906233E45D9EFB4099C48E097F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_5EC99EA16A19C0A819D14099C48EE742_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_5EC99EA16A19C0A819D14099C48EE742" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income from discontinued operations, net of income taxes </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_5EC99EA16A19C0A819D14099C48EE742" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_EarningsPerShareAbstract_09DE5637F7033074A57B4099C48E5B57_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_09DE5637F7033074A57B4099C48E5B57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net income per share </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_09DE5637F7033074A57B4099C48E5B57" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract_09DE5637F7033074A57B4099C48E5B57" xlink:to="lab_us-gaap_EarningsPerShareAbstract_09DE5637F7033074A57B4099C48E5B57" xlink:type="arc"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfQuantitativeInformationAboutSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTextBlock" xlink:label="loc_us-gaap_ScheduleOfQuantitativeInformationAboutSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTextBlock_322110D7FD282EA81CAD9125BC84CE0C" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ScheduleOfQuantitativeInformationAboutFinancialAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTextBlock_41325CA060BE999A572F9125BC8470A8_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfQuantitativeInformationAboutFinancialAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTextBlock_41325CA060BE999A572F9125BC8470A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of obligations collateralized by finance receivables </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfQuantitativeInformationAboutFinancialAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTextBlock_41325CA060BE999A572F9125BC8470A8_label_en-US" xlink:label="lab_us-gaap_ScheduleOfQuantitativeInformationAboutFinancialAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTextBlock_41325CA060BE999A572F9125BC8470A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Assets and Associated Liabilities Accounted for as Secured Borrowings [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfQuantitativeInformationAboutFinancialAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTextBlock" xlink:label="loc_us-gaap_ScheduleOfQuantitativeInformationAboutFinancialAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTextBlock_41325CA060BE999A572F9125BC8470A8" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ScheduleOfGoodwillTextBlock_8D64E7450D09F7D4D6F39125BCC6723E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTextBlock_8D64E7450D09F7D4D6F39125BCC6723E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of goodwill </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfGoodwillTextBlock_8D64E7450D09F7D4D6F39125BCC6723E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTextBlock_8D64E7450D09F7D4D6F39125BCC6723E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="loc_us-gaap_ScheduleOfGoodwillTextBlock_8D64E7450D09F7D4D6F39125BCC6723E" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_5FC35D3EC70F8D76CDBB9125BCC734FF_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_5FC35D3EC70F8D76CDBB9125BCC734FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of customer relationships </link:label> |
| | <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_5FC35D3EC70F8D76CDBB9125BCC734FF_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_5FC35D3EC70F8D76CDBB9125BCC734FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_5FC35D3EC70F8D76CDBB9125BCC734FF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_5FC35D3EC70F8D76CDBB9125BCC734FF" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_5FC35D3EC70F8D76CDBB9125BCC734FF" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock_E5063A6C514887357BE29125BCC7B9C3_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock_E5063A6C514887357BE29125BCC7B9C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of other intangibles </link:label> |
| | <link:label id="lab_kar_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock_E5063A6C514887357BE29125BCC7B9C3_label_en-US" xlink:label="lab_kar_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock_E5063A6C514887357BE29125BCC7B9C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Finite Lived and Indefinite Lived Intangible Assets by Major Class [Table Text Block] </link:label> |
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| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" xlink:label="loc_kar_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock_E5063A6C514887357BE29125BCC7B9C3" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_7199CFD41DFD0A31BDBC54AE2759BCEE_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_7199CFD41DFD0A31BDBC54AE2759BCEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principles of Consolidation </link:label> |
| | <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_7199CFD41DFD0A31BDBC54AE2759BCEE_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_7199CFD41DFD0A31BDBC54AE2759BCEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_7199CFD41DFD0A31BDBC54AE2759BCEE" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_FC85B201ABCEA3BB8DB154AE27597276_terseLabel_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_FC85B201ABCEA3BB8DB154AE27597276" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reclassifications </link:label> |
| | <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_FC85B201ABCEA3BB8DB154AE27597276_label_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_FC85B201ABCEA3BB8DB154AE27597276" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reclassification, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:label="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription_FC85B201ABCEA3BB8DB154AE27597276" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_UseOfEstimates_F11DCEE93FBE2388703554AE27592A3A_terseLabel_en-US" xlink:label="lab_us-gaap_UseOfEstimates_F11DCEE93FBE2388703554AE27592A3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Use of Estimates </link:label> |
| | <link:label id="lab_us-gaap_UseOfEstimates_F11DCEE93FBE2388703554AE27592A3A_label_en-US" xlink:label="lab_us-gaap_UseOfEstimates_F11DCEE93FBE2388703554AE27592A3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Use of Estimates, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_F11DCEE93FBE2388703554AE27592A3A" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_8A87BE6817E61258E35254AE275A0419_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_8A87BE6817E61258E35254AE275A0419" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Segments </link:label> |
| | <link:label id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_8A87BE6817E61258E35254AE275A0419_label_en-US" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_8A87BE6817E61258E35254AE275A0419" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock_8A87BE6817E61258E35254AE275A0419" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_4F66E8C5FD2229F8110654AE275AD28E_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_4F66E8C5FD2229F8110654AE275AD28E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instruments and Hedging Activity </link:label> |
| | <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_4F66E8C5FD2229F8110654AE275AD28E_label_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_4F66E8C5FD2229F8110654AE275AD28E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivatives, Policy [Policy Text Block] </link:label> |
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| | <link:label id="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_B6208B0105E45AF8D23154AE275AACA1_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_B6208B0105E45AF8D23154AE275AACA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Currency Translation </link:label> |
| | <link:label id="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_B6208B0105E45AF8D23154AE275AACA1_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_B6208B0105E45AF8D23154AE275AACA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Transactions and Translations Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_B6208B0105E45AF8D23154AE275AACA1" xlink:type="locator"/> |
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| | <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_51B6F2F9F8E51E2E612954AE275BD648_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_51B6F2F9F8E51E2E612954AE275BD648" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Equivalents </link:label> |
| | <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_51B6F2F9F8E51E2E612954AE275BD648_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_51B6F2F9F8E51E2E612954AE275BD648" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Policy [Policy Text Block] </link:label> |
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| | <link:label id="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_F1A7E4582832676185E954AE275B926F_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_F1A7E4582832676185E954AE275B926F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] </link:label> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="loc_us-gaap_ReceivablesPolicyTextBlock_2E47E3FEB31E978F6CD354AE275B8894" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesPolicyTextBlock_2E47E3FEB31E978F6CD354AE275B8894" xlink:to="lab_us-gaap_ReceivablesPolicyTextBlock_2E47E3FEB31E978F6CD354AE275B8894" xlink:type="arc"/> |
| | <link:label id="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571_terseLabel_en-US" xlink:label="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Current Assets </link:label> |
| | <link:label id="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571_label_en-US" xlink:label="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Current Assets [Policy Text Block] </link:label> |
| | <link:label id="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571_documentation_en-US" xlink:label="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for other current assets. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_OtherCurrentAssetsPolicyTextBlock" xlink:label="loc_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:to="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label> |
| | <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer Relationships and Other Intangible Assets </link:label> |
| | <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and Equipment </link:label> |
| | <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420_terseLabel_en-US" xlink:label="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unamortized Debt Issuance Costs </link:label> |
| | <link:label id="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420_label_en-US" xlink:label="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtPolicyTextBlock" xlink:label="loc_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:to="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:type="arc"/> |
| | <link:label id="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E_terseLabel_en-US" xlink:label="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Assets </link:label> |
| | <link:label id="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E_label_en-US" xlink:label="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets [Policy Text Block] </link:label> |
| | <link:label id="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E_documentation_en-US" xlink:label="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for other assets. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_OtherAssetsPolicyTextBlock" xlink:label="loc_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:to="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-Lived Assets </link:label> |
| | <link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7_label_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:to="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Leases </link:label> |
| | <link:label id="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6_label_en-US" xlink:label="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Leases [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeLeasesPolicyTextBlock" xlink:label="loc_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:to="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:type="arc"/> |
| | <link:label id="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A_terseLabel_en-US" xlink:label="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts Payable </link:label> |
| | <link:label id="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A_label_en-US" xlink:label="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable [Policy Text Block] </link:label> |
| | <link:label id="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A_documentation_en-US" xlink:label="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for accounts payable. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_AccountsPayablePolicyTextBlock" xlink:label="loc_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:to="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD_terseLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Self Insurance Reserves </link:label> |
| | <link:label id="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD_label_en-US" xlink:label="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance Reserve [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SelfInsuranceReservePolicyTextBlock" xlink:label="loc_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:to="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Environmental Liabilities </link:label> |
| | <link:label id="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30_label_en-US" xlink:label="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Environmental Costs, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EnvironmentalCostsPolicy" xlink:label="loc_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:to="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue Recognition </link:label> |
| | <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:to="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes </link:label> |
| | <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net Income from Continuing Operations per Share </link:label> |
| | <link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE_label_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Policy [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:to="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounting for Stock-Based Compensation </link:label> |
| | <link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement [Policy Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:to="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8_terseLabel_en-US" xlink:label="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Standards </link:label> |
| | <link:label id="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8_label_en-US" xlink:label="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Description of New Accounting Pronouncements Not yet Adopted [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xlink:label="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:to="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:type="arc"/> |
| | <link:label id="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766_terseLabel_en-US" xlink:label="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Components of lease expense </link:label> |
| | <link:label id="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766_label_en-US" xlink:label="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Components of lease expense [Abstract] </link:label> |
| | <link:label id="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766_documentation_en-US" xlink:label="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Components of lease expense </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ComponentsofleaseexpenseAbstract" xlink:label="loc_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:to="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease cost </link:label> |
| | <link:label id="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Cost </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="loc_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:to="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance lease cost </link:label> |
| | <link:label id="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C_label_en-US" xlink:label="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease, Cost [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseCostAbstract" xlink:label="loc_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:to="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of right-of-use assets </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Right-of-Use Asset, Amortization </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:to="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest on lease liabilities </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Interest Expense </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:to="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:type="arc"/> |
| | <link:label id="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC_terseLabel_en-US" xlink:label="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total finance lease cost </link:label> |
| | <link:label id="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC_label_en-US" xlink:label="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> FinanceLeaseCost </link:label> |
| | <link:label id="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC_documentation_en-US" xlink:label="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Finance lease cost. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_FinanceLeaseCost" xlink:label="loc_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:to="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-Term Debt </link:label> |
| | <link:label id="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Disclosure [Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:to="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of the primary components of AFC's revenue </link:label> |
| | <link:label id="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB_label_en-US" xlink:label="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Afc Revenue [Table Text Block] </link:label> |
| | <link:label id="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB_documentation_en-US" xlink:label="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of the primary components of AFC's revenue. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfAfcRevenueTableTextBlock" xlink:label="loc_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:to="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:type="arc"/> |
| | <link:label id="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7_label_en-US" xlink:label="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maturities of Lease Liabilities [Abstract] </link:label> |
| | <link:label id="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7_documentation_en-US" xlink:label="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maturities of Lease Liabilities [Abstract] </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_MaturitiesofLeaseLiabilitiesAbstract" xlink:label="loc_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:to="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Lease </link:label> |
| | <link:label id="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payment, Due [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:label="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:to="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due Year Two </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due Year Three </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due Year Four </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due Year Five </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due after Year Five </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E_totalLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total lease payments </link:label> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Less imputed interest </link:label> |
| | <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Undiscounted Excess Amount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance Lease </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payment, Due, Rolling Maturity [Abstract] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract" xlink:label="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:to="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Remainder of Fiscal Year </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due Year Two </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due Year Three </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due Year Four </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due Year Five </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due after Year Five </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81_totalLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total lease payments </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payment, Due </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Less imputed interest </link:label> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Undiscounted Excess Amount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F" xlink:to="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_FinanceLeaseLiability_4EB278B079D5B1E1B71B409541C6447B_verboseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiability_4EB278B079D5B1E1B71B409541C6447B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total finance lease liabilities </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:label="loc_us-gaap_FinanceLeaseLiability_4EB278B079D5B1E1B71B409541C6447B" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiability_4EB278B079D5B1E1B71B409541C6447B" xlink:to="lab_us-gaap_FinanceLeaseLiability_4EB278B079D5B1E1B71B409541C6447B" xlink:type="arc"/> |
| | <link:label id="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC_label_en-US" xlink:label="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Abstract] </link:label> |
| | <link:label id="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC_documentation_en-US" xlink:label="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Abstract] </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_SubsequentEventAbstract" xlink:label="loc_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:to="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event </link:label> |
| | <link:label id="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Table] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:to="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type </link:label> |
| | <link:label id="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:to="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type </link:label> |
| | <link:label id="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Domain] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:to="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instrument </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077" xlink:type="arc"/> |
| | <link:label id="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4_terseLabel_en-US" xlink:label="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> January 2020 interest rate swap </link:label> |
| | <link:label id="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4_label_en-US" xlink:label="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> January 2020 Interest Rate Swap [Member] </link:label> |
| | <link:label id="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4_documentation_en-US" xlink:label="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> January 2020 interest rate swap. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_January2020InterestRateSwapMember" xlink:label="loc_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:to="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event </link:label> |
| | <link:label id="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D_label_en-US" xlink:label="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Line Items] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:to="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, notional amount </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeNotionalAmount" xlink:label="loc_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE" xlink:to="lab_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, weighted average fixed interest rate </link:label> |
| | <link:label id="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE_label_en-US" xlink:label="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Average Fixed Interest Rate </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeAverageFixedInterestRate" xlink:label="loc_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:to="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, term of contract </link:label> |
| | <link:label id="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350_label_en-US" xlink:label="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Term of Contract </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeTermOfContract" xlink:label="loc_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:to="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:type="arc"/> |
| | <link:label id="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Components of lease expense </link:label> |
| | <link:label id="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF_label_en-US" xlink:label="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease, Cost [Table Text Block] </link:label> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="loc_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:to="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental cash flow information related to leases </link:label> |
| | <link:label id="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8_label_en-US" xlink:label="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ScheduleOfSupplementalCashFlowInformationRelatedToLeases [Table Text Block] </link:label> |
| | <link:label id="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8_documentation_en-US" xlink:label="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Table Text Block] for Schedule of supplemental cash flow information related to leases. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock" xlink:label="loc_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:to="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplementatl balance sheet information related to leases </link:label> |
| | <link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046_label_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ScheduleOfSupplementalBalanceSheetInformationRelatedToLeases [Table Text Block] </link:label> |
| | <link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046_documentation_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Table Text Block] for Schedule of supplemental balance sheet information related to leases. </link:label> |
| | <link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock" xlink:label="loc_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:type="locator"/> |
| | <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:to="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:type="arc"/> |
| | <link:label id="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maturities of lease liabilities </link:label> |
| | <link:label id="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E_label_en-US" xlink:label="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilities [Table Text Block] </link:label> |
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