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Idexx Laboratories Inc/DE – ‘10-Q’ for 9/30/19 – ‘EX-101.SCH’

On:  Thursday, 10/31/19, at 11:59am ET   ·   For:  9/30/19   ·   Accession #:  874716-19-36   ·   File #:  0-19271

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  As Of               Filer                 Filing    For·On·As Docs:Size

10/31/19  Idexx Laboratories Inc/DE         10-Q        9/30/19   96:10M

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.59M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     34K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     34K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     29K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     29K 
92: R1          Cover Page                                          HTML     80K 
37: R2          Condensed Consolidated Balance Sheets               HTML    141K 
25: R3          Condensed Consolidated Balance Sheets               HTML     43K 
                (Parenthetical)                                                  
61: R4          Condensed Consolidated Statements of Income         HTML     99K 
91: R5          Condensed Consolidated Statements of Comprehensive  HTML     68K 
                Income                                                           
36: R6          Condensed Consolidated Statements of Comprehensive  HTML     37K 
                Income (Parenthetical)                                           
24: R7          Condensed Consolidated Statements of Stockholders'  HTML    103K 
                Equity (Deficit)                                                 
59: R8          Condensed Consolidated Statements of Stockholders'  HTML     30K 
                Equity (Deficit) (Parenthetical)                                 
94: R9          Condensed Consolidated Statements of Cash Flows     HTML    118K 
18: R10         Basis of Presentation and Principles of             HTML     34K 
                Consolidation                                                    
47: R11         Accounting Policies                                 HTML     71K 
82: R12         Revenue Recognition                                 HTML    149K 
71: R13         Acquisitions                                        HTML     31K 
19: R14         Share-Based Compensation                            HTML     43K 
48: R15         Inventories                                         HTML     37K 
84: R16         Property and Equipment, Net                         HTML     29K 
72: R17         Leases                                              HTML     50K 
17: R18         Other Current and Long-Term Assets                  HTML     55K 
49: R19         Accrued Liabilities                                 HTML     47K 
85: R20         Debt                                                HTML     31K 
53: R21         Repurchases Of Common Stock                         HTML     67K 
22: R22         Income Taxes                                        HTML     31K 
32: R23         Accumulated Other Comprehensive Income              HTML    103K 
86: R24         Earnings Per Share                                  HTML     58K 
54: R25         Commitments, Contingencies and Guarantees           HTML     32K 
23: R26         Segment Reporting                                   HTML    196K 
33: R27         Fair Value Measurements                             HTML    111K 
87: R28         Hedging Instruments                                 HTML    114K 
52: R29         Accounting Policies (Policies)                      HTML    107K 
69: R30         Accounting Policies (Tables)                        HTML     65K 
81: R31         Revenue Recognition (Tables)                        HTML     90K 
51: R32         Share-Based Compensation (Tables)                   HTML     39K 
21: R33         Inventories (Tables)                                HTML     38K 
68: R34         Leases (Tables)                                     HTML     46K 
80: R35         Other Current and Long-Term Assets (Tables)         HTML     57K 
50: R36         Accrued Liabilities (Tables)                        HTML     48K 
20: R37         Repurchases of Common Stock (Tables)                HTML     66K 
70: R38         Accumulated Other Comprehensive Income (Tables)     HTML    105K 
79: R39         Earnings Per Share (Tables)                         HTML     59K 
60: R40         Segment Reporting (Tables)                          HTML    194K 
96: R41         Fair Value Measurements (Tables)                    HTML    100K 
35: R42         Hedging Instruments (Tables)                        HTML     99K 
27: R43         Accounting Policies (Details)                       HTML     71K 
58: R44         Revenue Recognition (General Narrative) (Details)   HTML     31K 
95: R45         Revenue Recognition (Lease Revenue) (Details)       HTML     28K 
34: R46         Revenue Recognition (Extended Warranties and        HTML     43K 
                Post-Contract Support) (Details)                                 
26: R47         Revenue Recognition (SaaS Subscriptions) (Details)  HTML     29K 
62: R48         Revenue Recognition (Up-Front Customer Loyalty      HTML     37K 
                Programs) (Details)                                              
90: R49         Revenue Recognition (Volume Commitment Programs)    HTML     33K 
                (Details)                                                        
75: R50         Revenue Recognition (Instrument Rebate Programs)    HTML     33K 
                (Details)                                                        
66: R51         Revenue Recognition (Reagent Rental Programs)       HTML     38K 
                (Details)                                                        
11: R52         Revenue Recognition (Disaggregation of Revenue by   HTML     56K 
                Major Product and Service Categories) (Details)                  
41: R53         Revenue Recognition (Disaggregation of Revenue by   HTML     41K 
                Principal Geographic Area, Based on Customers'                   
                Domiciles) (Details)                                             
76: R54         Revenue Recognition (Costs to Obtain a Contract)    HTML     41K 
                (Details)                                                        
67: R55         Revenue Recognition (Remaining Performance          HTML     70K 
                Obligation) (Details)                                            
12: R56         Acquisitions (Details)                              HTML     52K 
42: R57         Share-Based Compensation (Narrative) (Details)      HTML     37K 
77: R58         Share-Based Compensation (Assumptions Used)         HTML     38K 
                (Details)                                                        
65: R59         Inventories (Details)                               HTML     38K 
29: R60         Property and Equipment, Net (Details)               HTML     30K 
38: R61         Leases (Maturities of Operating Lease Liabilities)  HTML     56K 
                (Details)                                                        
88: R62         Leases (Supplemental Cash Flow Information)         HTML     30K 
                (Details)                                                        
56: R63         Leases (Narrative) (Details)                        HTML     27K 
30: R64         Leases (Previous Lease Accounting Minimum Annual    HTML     44K 
                Rental Payments) (Details)                                       
39: R65         Other Current and Long-Term Assets (Schedule Of     HTML     44K 
                Other Current Assets) (Details)                                  
89: R66         Other Current and Long-Term Assets (Schedule Of     HTML     46K 
                Other Long-term Assets) (Details)                                
57: R67         Accrued Liabilities (Schedule Of Accrued            HTML     43K 
                Liabilities) (Details)                                           
28: R68         Accrued Liabilities (Schedule Of Other Long-term    HTML     34K 
                Liabilities) (Details)                                           
40: R69         Debt (Details)                                      HTML     44K 
45: R70         Repurchases of Common Stock (Details)               HTML     47K 
14: R71         Income Taxes (Details)                              HTML     29K 
64: R72         Accumulated Other Comprehensive Income (Schedule    HTML     53K 
                Of AOCI) (Details)                                               
74: R73         Accumulated Other Comprehensive Income (Schedule    HTML     45K 
                of Reclassifications out of AOCI) (Details)                      
44: R74         Earnings Per Share (Schedule Of Reconciliation Of   HTML     38K 
                Shares Outstanding For Basic And Diluted Earnings                
                Per Share) (Details)                                             
13: R75         Earnings Per Share (Schedule Of Number Of           HTML     31K 
                Anti-Dilutive Stock Options) (Details)                           
63: R76         Segment Reporting (Details)                         HTML     79K 
73: R77         Fair Value Measurements (Narrative) (Details)       HTML     32K 
43: R78         Fair Value Measurements (Schedule of Assets and     HTML     73K 
                Liabilities) (Details)                                           
16: R79         Hedging Instruments (Narrative) (Details)           HTML     63K 
46: R80         Hedging Instruments (Derivatives Designated In      HTML     37K 
                Cash Flow Hedging Relationships) (Details)                       
15: R81         Hedging Instruments (Schedule Of Fair Values And    HTML     67K 
                Balance Sheet Classifications Of Derivatives                     
                Designated As Hedging Instruments) (Details)                     
93: XML         IDEA XML File -- Filing Summary                      XML    181K 
55: XML         XBRL Instance -- idxx2019q310-q_htm                  XML   2.90M 
31: EXCEL       IDEA Workbook of Financial Reports                  XLSX     97K 
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 9: EX-101.LAB  XBRL Labels -- idxx-20190930_lab                     XML   1.48M 
10: EX-101.PRE  XBRL Presentations -- idxx-20190930_pre              XML    918K 
 6: EX-101.SCH  XBRL Schema -- idxx-20190930                         XSD    158K 
78: JSON        XBRL Instance as JSON Data -- MetaLinks              355±   521K 
83: ZIP         XBRL Zipped Folder -- 0000874716-19-000036-xbrl      Zip    317K 


‘EX-101.SCH’   —   XBRL Schema — idxx-20190930


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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DebtDetails" roleURI="http://www.idexx.com/role/DebtDetails">
<link:definition> 2414401 - Disclosure - Debt (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EarningsPerShare" roleURI="http://www.idexx.com/role/EarningsPerShare">
<link:definition> 2118100 - Disclosure - Earnings Per Share </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EarningsPerShareScheduleOfNumberOfAntiDilutiveStockOptionsDetails" roleURI="http://www.idexx.com/role/EarningsPerShareScheduleOfNumberOfAntiDilutiveStockOptionsDetails">
<link:definition> 2418403 - Disclosure - Earnings Per Share (Schedule Of Number Of Anti-Dilutive Stock Options) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EarningsPerShareScheduleOfReconciliationOfSharesOutstandingForBasicAndDilutedEarningsPerShareDetails" roleURI="http://www.idexx.com/role/EarningsPerShareScheduleOfReconciliationOfSharesOutstandingForBasicAndDilutedEarningsPerShareDetails">
<link:definition> 2418402 - Disclosure - Earnings Per Share (Schedule Of Reconciliation Of Shares Outstanding For Basic And Diluted Earnings Per Share) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EarningsPerShareTables" roleURI="http://www.idexx.com/role/EarningsPerShareTables">
<link:definition> 2318301 - Disclosure - Earnings Per Share (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FairValueMeasurements" roleURI="http://www.idexx.com/role/FairValueMeasurements">
<link:definition> 2121100 - Disclosure - Fair Value Measurements </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FairValueMeasurementsNarrativeDetails" roleURI="http://www.idexx.com/role/FairValueMeasurementsNarrativeDetails">
<link:definition> 2421402 - Disclosure - Fair Value Measurements (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FairValueMeasurementsScheduleOfAssetsAndLiabilitiesDetails" roleURI="http://www.idexx.com/role/FairValueMeasurementsScheduleOfAssetsAndLiabilitiesDetails">
<link:definition> 2421403 - Disclosure - Fair Value Measurements (Schedule of Assets and Liabilities) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FairValueMeasurementsTables" roleURI="http://www.idexx.com/role/FairValueMeasurementsTables">
<link:definition> 2321301 - Disclosure - Fair Value Measurements (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="HedgingInstruments" roleURI="http://www.idexx.com/role/HedgingInstruments">
<link:definition> 2122100 - Disclosure - Hedging Instruments </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="HedgingInstrumentsDerivativesDesignatedInCashFlowHedgingRelationshipsDetails" roleURI="http://www.idexx.com/role/HedgingInstrumentsDerivativesDesignatedInCashFlowHedgingRelationshipsDetails">
<link:definition> 2422403 - Disclosure - Hedging Instruments (Derivatives Designated In Cash Flow Hedging Relationships) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="HedgingInstrumentsNarrativeDetails" roleURI="http://www.idexx.com/role/HedgingInstrumentsNarrativeDetails">
<link:definition> 2422402 - Disclosure - Hedging Instruments (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="HedgingInstrumentsScheduleOfFairValuesAndBalanceSheetClassificationsOfDerivativesDesignatedAsHedgingInstrumentsDetails" roleURI="http://www.idexx.com/role/HedgingInstrumentsScheduleOfFairValuesAndBalanceSheetClassificationsOfDerivativesDesignatedAsHedgingInstrumentsDetails">
<link:definition> 2422404 - Disclosure - Hedging Instruments (Schedule Of Fair Values And Balance Sheet Classifications Of Derivatives Designated As Hedging Instruments) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="HedgingInstrumentsTables" roleURI="http://www.idexx.com/role/HedgingInstrumentsTables">
<link:definition> 2322301 - Disclosure - Hedging Instruments (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxes" roleURI="http://www.idexx.com/role/IncomeTaxes">
<link:definition> 2116100 - Disclosure - Income Taxes </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesDetails" roleURI="http://www.idexx.com/role/IncomeTaxesDetails">
<link:definition> 2416401 - Disclosure - Income Taxes (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="Inventories" roleURI="http://www.idexx.com/role/Inventories">
<link:definition> 2106100 - Disclosure - Inventories </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InventoriesDetails" roleURI="http://www.idexx.com/role/InventoriesDetails">
<link:definition> 2406402 - Disclosure - Inventories (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InventoriesTables" roleURI="http://www.idexx.com/role/InventoriesTables">
<link:definition> 2306301 - Disclosure - Inventories (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="Leases" roleURI="http://www.idexx.com/role/Leases">
<link:definition> 2111100 - Disclosure - Leases </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesMaturitiesOfOperatingLeaseLiabilitiesDetails" roleURI="http://www.idexx.com/role/LeasesMaturitiesOfOperatingLeaseLiabilitiesDetails">
<link:definition> 2411402 - Disclosure - Leases (Maturities of Operating Lease Liabilities) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesMaturitiesOfOperatingLeaseLiabilitiesDetailsCalc2" roleURI="http://www.idexx.com/role/LeasesMaturitiesOfOperatingLeaseLiabilitiesDetailsCalc2">
<link:definition> 2411402 - Disclosure - Leases (Maturities of Operating Lease Liabilities) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesNarrativeDetails" roleURI="http://www.idexx.com/role/LeasesNarrativeDetails">
<link:definition> 2411404 - Disclosure - Leases (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesPreviousLeaseAccountingMinimumAnnualRentalPaymentsDetails" roleURI="http://www.idexx.com/role/LeasesPreviousLeaseAccountingMinimumAnnualRentalPaymentsDetails">
<link:definition> 2411405 - Disclosure - Leases (Previous Lease Accounting Minimum Annual Rental Payments) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesSupplementalCashFlowInformationDetails" roleURI="http://www.idexx.com/role/LeasesSupplementalCashFlowInformationDetails">
<link:definition> 2411403 - Disclosure - Leases (Supplemental Cash Flow Information) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesTables" roleURI="http://www.idexx.com/role/LeasesTables">
<link:definition> 2311301 - Disclosure - Leases (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherCurrentAndLongTermAssets" roleURI="http://www.idexx.com/role/OtherCurrentAndLongTermAssets">
<link:definition> 2112100 - Disclosure - Other Current and Long-Term Assets </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherCurrentAndLongTermAssetsScheduleOfOtherCurrentAssetsDetails" roleURI="http://www.idexx.com/role/OtherCurrentAndLongTermAssetsScheduleOfOtherCurrentAssetsDetails">
<link:definition> 2412402 - Disclosure - Other Current and Long-Term Assets (Schedule Of Other Current Assets) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherCurrentAndLongTermAssetsScheduleOfOtherLongTermAssetsDetails" roleURI="http://www.idexx.com/role/OtherCurrentAndLongTermAssetsScheduleOfOtherLongTermAssetsDetails">
<link:definition> 2412403 - Disclosure - Other Current and Long-Term Assets (Schedule Of Other Long-term Assets) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherCurrentAndLongTermAssetsTables" roleURI="http://www.idexx.com/role/OtherCurrentAndLongTermAssetsTables">
<link:definition> 2312301 - Disclosure - Other Current and Long-Term Assets (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyAndEquipmentNet" roleURI="http://www.idexx.com/role/PropertyAndEquipmentNet">
<link:definition> 2107100 - Disclosure - Property and Equipment, Net </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyAndEquipmentNetDetails" roleURI="http://www.idexx.com/role/PropertyAndEquipmentNetDetails">
<link:definition> 2407401 - Disclosure - Property and Equipment, Net (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RepurchasesOfCommonStock" roleURI="http://www.idexx.com/role/RepurchasesOfCommonStock">
<link:definition> 2115100 - Disclosure - Repurchases Of Common Stock </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RepurchasesOfCommonStockDetails" roleURI="http://www.idexx.com/role/RepurchasesOfCommonStockDetails">
<link:definition> 2415402 - Disclosure - Repurchases of Common Stock (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RepurchasesOfCommonStockTables" roleURI="http://www.idexx.com/role/RepurchasesOfCommonStockTables">
<link:definition> 2315301 - Disclosure - Repurchases of Common Stock (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognition" roleURI="http://www.idexx.com/role/RevenueRecognition">
<link:definition> 2103100 - Disclosure - Revenue Recognition </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionCostsToObtainContractDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionCostsToObtainContractDetails">
<link:definition> 2403412 - Disclosure - Revenue Recognition (Costs to Obtain a Contract) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionDisaggregationOfRevenueByMajorProductAndServiceCategoriesDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionDisaggregationOfRevenueByMajorProductAndServiceCategoriesDetails">
<link:definition> 2403410 - Disclosure - Revenue Recognition (Disaggregation of Revenue by Major Product and Service Categories) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionDisaggregationOfRevenueByPrincipalGeographicAreaBasedOnCustomersDomicilesDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionDisaggregationOfRevenueByPrincipalGeographicAreaBasedOnCustomersDomicilesDetails">
<link:definition> 2403411 - Disclosure - Revenue Recognition (Disaggregation of Revenue by Principal Geographic Area, Based on Customers' Domiciles) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionExtendedWarrantiesAndPostContractSupportDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionExtendedWarrantiesAndPostContractSupportDetails">
<link:definition> 2403404 - Disclosure - Revenue Recognition (Extended Warranties and Post-Contract Support) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionGeneralNarrativeDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionGeneralNarrativeDetails">
<link:definition> 2403402 - Disclosure - Revenue Recognition (General Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionInstrumentRebateProgramsDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionInstrumentRebateProgramsDetails">
<link:definition> 2403408 - Disclosure - Revenue Recognition (Instrument Rebate Programs) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionLeaseRevenueDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionLeaseRevenueDetails">
<link:definition> 2403403 - Disclosure - Revenue Recognition (Lease Revenue) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionReagentRentalProgramsDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionReagentRentalProgramsDetails">
<link:definition> 2403409 - Disclosure - Revenue Recognition (Reagent Rental Programs) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionRemainingPerformanceObligationDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionRemainingPerformanceObligationDetails">
<link:definition> 2403413 - Disclosure - Revenue Recognition (Remaining Performance Obligation) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionSaasSubscriptionsDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionSaasSubscriptionsDetails">
<link:definition> 2403405 - Disclosure - Revenue Recognition (SaaS Subscriptions) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionTables" roleURI="http://www.idexx.com/role/RevenueRecognitionTables">
<link:definition> 2303301 - Disclosure - Revenue Recognition (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionUpFrontCustomerLoyaltyProgramsDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionUpFrontCustomerLoyaltyProgramsDetails">
<link:definition> 2403406 - Disclosure - Revenue Recognition (Up-Front Customer Loyalty Programs) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRecognitionVolumeCommitmentProgramsDetails" roleURI="http://www.idexx.com/role/RevenueRecognitionVolumeCommitmentProgramsDetails">
<link:definition> 2403407 - Disclosure - Revenue Recognition (Volume Commitment Programs) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentReporting" roleURI="http://www.idexx.com/role/SegmentReporting">
<link:definition> 2120100 - Disclosure - Segment Reporting </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentReportingDetails" roleURI="http://www.idexx.com/role/SegmentReportingDetails">
<link:definition> 2420402 - Disclosure - Segment Reporting (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentReportingTables" roleURI="http://www.idexx.com/role/SegmentReportingTables">
<link:definition> 2320301 - Disclosure - Segment Reporting (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedCompensation" roleURI="http://www.idexx.com/role/ShareBasedCompensation">
<link:definition> 2105100 - Disclosure - Share-Based Compensation </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedCompensationAssumptionsUsedDetails" roleURI="http://www.idexx.com/role/ShareBasedCompensationAssumptionsUsedDetails">
<link:definition> 2405403 - Disclosure - Share-Based Compensation (Assumptions Used) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedCompensationNarrativeDetails" roleURI="http://www.idexx.com/role/ShareBasedCompensationNarrativeDetails">
<link:definition> 2405402 - Disclosure - Share-Based Compensation (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedCompensationTables" roleURI="http://www.idexx.com/role/ShareBasedCompensationTables">
<link:definition> 2305301 - Disclosure - Share-Based Compensation (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<xsd:element id="idxx_AgreementTerm" name="AgreementTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_BusinessCombinationContingentConsiderationTermForPaymentUponCompletionOfGoals" name="BusinessCombinationContingentConsiderationTermForPaymentUponCompletionOfGoals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_BusinessCombinationsTangibleAssetsNetOfTangibleLiabilities" name="BusinessCombinationsTangibleAssetsNetOfTangibleLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="idxx_CagDiagnosticCaptailVetlabInstrumentsMember" name="CagDiagnosticCaptailVetlabInstrumentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_CagDiagnosticsRecurringRevenueMember" name="CagDiagnosticsRecurringRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_CagDiagnosticsServiceAndAccessoriesMember" name="CagDiagnosticsServiceAndAccessoriesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_CagSegmentMember" name="CagSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_CashFlowHedgeHedgePercentageOfEstimatedExposureFromIntercompanyProductsPurchasesAndSales" name="CashFlowHedgeHedgePercentageOfEstimatedExposureFromIntercompanyProductsPurchasesAndSales" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_ContractWithCustomerAmortizationPeriod" name="ContractWithCustomerAmortizationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_DebtInstrumentRequestedAmountToBePurchased" name="DebtInstrumentRequestedAmountToBePurchased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="idxx_DeferredCompensationMember" name="DeferredCompensationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_DeferredSalesCommissionCurrent" name="DeferredSalesCommissionCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="idxx_DeferredStockUnitsMember" name="DeferredStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="idxx_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_EquityMutualFundsMember" name="EquityMutualFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_EuropeMiddleEastAndAfricaMember" name="EuropeMiddleEastAndAfricaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_ExtendedProductWarrantyTerm" name="ExtendedProductWarrantyTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_ExtendedWarrantiesAndPostContractSupportMember" name="ExtendedWarrantiesAndPostContractSupportMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_ForeignCurrencyBorrowingsDesignatedAsNetInvestmentHedgeOnBalanceSheetMember" name="ForeignCurrencyBorrowingsDesignatedAsNetInvestmentHedgeOnBalanceSheetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_InstrumentRebateProgramsMember" name="InstrumentRebateProgramsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_IssuanceVestingAndSettlementOfDeferredStockUnits" name="IssuanceVestingAndSettlementOfDeferredStockUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="idxx_LpdSegmentMember" name="LpdSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="idxx_OperatingtypeReagentRentalProgramsMember" name="OperatingtypeReagentRentalProgramsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_OtherSegmentMember" name="OtherSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_PostContractSupportContractTerm" name="PostContractSupportContractTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_RapidAssayProductsMember" name="RapidAssayProductsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_ReagentRentalProgramsMember" name="ReagentRentalProgramsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_ReferenceLaboratoryDiagnosticAndConsultingServicesMember" name="ReferenceLaboratoryDiagnosticAndConsultingServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_RevenuePerformanceObligationPaymentTerm" name="RevenuePerformanceObligationPaymentTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="idxx_SNAPFecalProductionLineAssetsMember" name="SNAPFecalProductionLineAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_SaasSubscriptionTermOfContract" name="SaasSubscriptionTermOfContract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="idxx_SeriesCNotesMember" name="SeriesCNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_SeriesCSeniorNoteMember" name="SeriesCSeniorNoteMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="idxx_SoftwareCompanyMember" name="SoftwareCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_TaxCutsAndJobsActElectionToNotReclassifyFromAOCIToRetainedEarningsTaxEffect" name="TaxCutsAndJobsActElectionToNotReclassifyFromAOCIToRetainedEarningsTaxEffect" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="idxx_TreasuryStockAcquiredAverageCostPerShareEmployeeSurrenders" name="TreasuryStockAcquiredAverageCostPerShareEmployeeSurrenders" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_TreasuryStockAcquiredAverageCostPerShareOpenMarketRepurchase" name="TreasuryStockAcquiredAverageCostPerShareOpenMarketRepurchase" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_TreasuryStockSharesAcquiredNetOfTaxWithholdings" name="TreasuryStockSharesAcquiredNetOfTaxWithholdings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_TreasuryStockValueAcquiredCostMethodNetOfTaxWithholdings" name="TreasuryStockValueAcquiredCostMethodNetOfTaxWithholdings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="idxx_UncommittedShelfFacilityMember" name="UncommittedShelfFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_UpFrontCustomerLoyaltyProgramsAndVolumeCommitmentProgramsMember" name="UpFrontCustomerLoyaltyProgramsAndVolumeCommitmentProgramsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_UpFrontCustomerLoyaltyProgramsMember" name="UpFrontCustomerLoyaltyProgramsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_VeterinarySoftwareServicesAndDiagnosticImagingSystemsMember" name="VeterinarySoftwareServicesAndDiagnosticImagingSystemsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_VetlabConsumablesMember" name="VetlabConsumablesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_VolumeCommitmentProgramsMember" name="VolumeCommitmentProgramsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="idxx_WaterSegmentMember" name="WaterSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="idxx_WeightedAverageSharesOutstandingAbstract" name="WeightedAverageSharesOutstandingAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>

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