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| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType id="LeasesNarrativeDetails" roleURI="http://www.crl.com/role/LeasesNarrativeDetails"> |
| <link:definition> 2416403 - 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="LeasesRightOfUseLeaseAssetsAndLeaseLiabilitiesInCondensedConsolidatedFinancialStatementsDetails" roleURI="http://www.crl.com/role/LeasesRightOfUseLeaseAssetsAndLeaseLiabilitiesInCondensedConsolidatedFinancialStatementsDetails"> |
| <link:definition> 2416404 - Disclosure - LEASES - Right-of-Use Lease Assets and Lease Liabilities in Condensed Consolidated Financial Statements (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="LeasesScheduleOfCumulativeEffectOfAdoptionOfAsc842Details" roleURI="http://www.crl.com/role/LeasesScheduleOfCumulativeEffectOfAdoptionOfAsc842Details"> |
| <link:definition> 2416402 - Disclosure - LEASES - Schedule of Cumulative Effect of Adoption of ASC 842 (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="LeasesScheduleOfFutureMinimumLeasePaymentsNonCancellableOperatingLeasesBeforeAdoptionDetails" roleURI="http://www.crl.com/role/LeasesScheduleOfFutureMinimumLeasePaymentsNonCancellableOperatingLeasesBeforeAdoptionDetails"> |
| <link:definition> 2416409 - Disclosure - LEASES - Schedule of Future Minimum Lease Payments, Non-Cancellable Operating Leases Before Adoption (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="LeasesScheduleOfFutureMinimumLeasePaymentsUnderNonCancellableLeasesAfterAdoptionDetails" roleURI="http://www.crl.com/role/LeasesScheduleOfFutureMinimumLeasePaymentsUnderNonCancellableLeasesAfterAdoptionDetails"> |
| <link:definition> 2416408 - Disclosure - LEASES - Schedule of Future Minimum Lease Payments Under Non-Cancellable Leases After Adoption (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="LeasesScheduleOfFutureMinimumLeasePaymentsUnderNonCancellableLeasesAfterAdoptionDetailsCalc2" roleURI="http://www.crl.com/role/LeasesScheduleOfFutureMinimumLeasePaymentsUnderNonCancellableLeasesAfterAdoptionDetailsCalc2"> |
| <link:definition> 2416408 - Disclosure - LEASES - Schedule of Future Minimum Lease Payments Under Non-Cancellable Leases After Adoption (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.crl.com/role/LeasesSupplementalCashFlowInformationDetails"> |
| <link:definition> 2416406 - 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.crl.com/role/LeasesTables"> |
| <link:definition> 2316301 - 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="LeasesWeightedAverageRemainingLeaseTermAndDiscountRatesDetails" roleURI="http://www.crl.com/role/LeasesWeightedAverageRemainingLeaseTermAndDiscountRatesDetails"> |
| <link:definition> 2416407 - Disclosure - LEASES - Weighted Average Remaining Lease Term and Discount Rates (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="LongTermDebtAndFinanceLeaseObligations" roleURI="http://www.crl.com/role/LongTermDebtAndFinanceLeaseObligations"> |
| <link:definition> 2109100 - Disclosure - LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS </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="LongTermDebtAndFinanceLeaseObligationsNarrativeDetails" roleURI="http://www.crl.com/role/LongTermDebtAndFinanceLeaseObligationsNarrativeDetails"> |
| <link:definition> 2409403 - Disclosure - LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - 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="LongTermDebtAndFinanceLeaseObligationsScheduleOfLongTermDebtDetails" roleURI="http://www.crl.com/role/LongTermDebtAndFinanceLeaseObligationsScheduleOfLongTermDebtDetails"> |
| <link:definition> 2409402 - Disclosure - LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Schedule of Long-Term 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="LongTermDebtAndFinanceLeaseObligationsTables" roleURI="http://www.crl.com/role/LongTermDebtAndFinanceLeaseObligationsTables"> |
| <link:definition> 2309301 - Disclosure - LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS (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="PensionAndOtherPostRetirementBenefitPlans" roleURI="http://www.crl.com/role/PensionAndOtherPostRetirementBenefitPlans"> |
| <link:definition> 2112100 - Disclosure - PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS </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="PensionAndOtherPostRetirementBenefitPlansDetails" roleURI="http://www.crl.com/role/PensionAndOtherPostRetirementBenefitPlansDetails"> |
| <link:definition> 2412402 - Disclosure - PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS (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="PensionAndOtherPostRetirementBenefitPlansTables" roleURI="http://www.crl.com/role/PensionAndOtherPostRetirementBenefitPlansTables"> |
| <link:definition> 2312301 - Disclosure - PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS (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="RestructuringAndAssetImpairments" roleURI="http://www.crl.com/role/RestructuringAndAssetImpairments"> |
| <link:definition> 2115100 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENTS </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="RestructuringAndAssetImpairmentsNarrativeDetails" roleURI="http://www.crl.com/role/RestructuringAndAssetImpairmentsNarrativeDetails"> |
| <link:definition> 2415405 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENTS - 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="RestructuringAndAssetImpairmentsRestructuringCostsByClassificationOnStatementsOfIncomeDetails" roleURI="http://www.crl.com/role/RestructuringAndAssetImpairmentsRestructuringCostsByClassificationOnStatementsOfIncomeDetails"> |
| <link:definition> 2415402 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENTS - Restructuring Costs by Classification on the Statements of Income (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="RestructuringAndAssetImpairmentsRestructuringCostsByRelatedToRmsRestructuringInitiativeDetails" roleURI="http://www.crl.com/role/RestructuringAndAssetImpairmentsRestructuringCostsByRelatedToRmsRestructuringInitiativeDetails"> |
| <link:definition> 2415404 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENTS - Restructuring Costs by Related to RMS Restructuring Initiative (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="RestructuringAndAssetImpairmentsRestructuringCostsByReportableSegmentDetails" roleURI="http://www.crl.com/role/RestructuringAndAssetImpairmentsRestructuringCostsByReportableSegmentDetails"> |
| <link:definition> 2415403 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENTS - Restructuring Costs by Reportable Segment (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="RestructuringAndAssetImpairmentsRollforwardOfSeveranceAndTransitionCostsLiabilityDetails" roleURI="http://www.crl.com/role/RestructuringAndAssetImpairmentsRollforwardOfSeveranceAndTransitionCostsLiabilityDetails"> |
| <link:definition> 2415406 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENTS - Rollforward of Severance and Transition Costs Liability (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="RestructuringAndAssetImpairmentsTables" roleURI="http://www.crl.com/role/RestructuringAndAssetImpairmentsTables"> |
| <link:definition> 2315301 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENTS (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="RevenueFromContractsWithCustomers" roleURI="http://www.crl.com/role/RevenueFromContractsWithCustomers"> |
| <link:definition> 2103100 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS </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="RevenueFromContractsWithCustomersDisaggregationOfRevenuesByMajorBusinessLineDetails" roleURI="http://www.crl.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenuesByMajorBusinessLineDetails"> |
| <link:definition> 2403402 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregation of Revenues by Major Business Line (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="RevenueFromContractsWithCustomersNarrativeDetails" roleURI="http://www.crl.com/role/RevenueFromContractsWithCustomersNarrativeDetails"> |
| <link:definition> 2403404 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - 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="RevenueFromContractsWithCustomersScheduleOfClientReceivablesContractAssetsAndContractLiabilitiesDetails" roleURI="http://www.crl.com/role/RevenueFromContractsWithCustomersScheduleOfClientReceivablesContractAssetsAndContractLiabilitiesDetails"> |
| <link:definition> 2403405 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Client Receivables, Contract Assets and Contract 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="RevenueFromContractsWithCustomersScheduleOfEstimatedRevenueRelatedToPerformanceObligationsDetails" roleURI="http://www.crl.com/role/RevenueFromContractsWithCustomersScheduleOfEstimatedRevenueRelatedToPerformanceObligationsDetails"> |
| <link:definition> 2403403 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Estimated Revenue Related to Performance Obligations (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="RevenueFromContractsWithCustomersTables" roleURI="http://www.crl.com/role/RevenueFromContractsWithCustomersTables"> |
| <link:definition> 2303301 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (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="SegmentInformation" roleURI="http://www.crl.com/role/SegmentInformation"> |
| <link:definition> 2104100 - Disclosure - SEGMENT INFORMATION </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="SegmentInformationDisaggregationOfRevenueByGeographicAreaDetails" roleURI="http://www.crl.com/role/SegmentInformationDisaggregationOfRevenueByGeographicAreaDetails"> |
| <link:definition> 2404407 - Disclosure - SEGMENT INFORMATION - Disaggregation of Revenue by Geographic Area (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="SegmentInformationNarrativeDetails" roleURI="http://www.crl.com/role/SegmentInformationNarrativeDetails"> |
| <link:definition> 2404402 - Disclosure - SEGMENT INFORMATION - 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="SegmentInformationReconciliationOfSegmentOperatingIncomeDepreciationAndAmortizationAndCapitalExpendituresDetails" roleURI="http://www.crl.com/role/SegmentInformationReconciliationOfSegmentOperatingIncomeDepreciationAndAmortizationAndCapitalExpendituresDetails"> |
| <link:definition> 2404404 - Disclosure - SEGMENT INFORMATION - Reconciliation of Segment Operating Income, Depreciation and Amortization, and Capital Expenditures (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="SegmentInformationRevenueAndOtherFinancialInformationByReportableSegmentDetails" roleURI="http://www.crl.com/role/SegmentInformationRevenueAndOtherFinancialInformationByReportableSegmentDetails"> |
| <link:definition> 2404403 - Disclosure - SEGMENT INFORMATION - Revenue and Other Financial Information by Reportable Segment (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="SegmentInformationRevenuePerSignificantProductOrServiceDetails" roleURI="http://www.crl.com/role/SegmentInformationRevenuePerSignificantProductOrServiceDetails"> |
| <link:definition> 2404405 - Disclosure - SEGMENT INFORMATION - Revenue Per Significant Product or Service (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="SegmentInformationSummaryOfUnallocatedCorporateOverheadDetails" roleURI="http://www.crl.com/role/SegmentInformationSummaryOfUnallocatedCorporateOverheadDetails"> |
| <link:definition> 2404406 - Disclosure - SEGMENT INFORMATION - Summary of Unallocated Corporate Overhead (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="SegmentInformationTables" roleURI="http://www.crl.com/role/SegmentInformationTables"> |
| <link:definition> 2304301 - Disclosure - SEGMENT INFORMATION (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="StockBasedCompensation" roleURI="http://www.crl.com/role/StockBasedCompensation"> |
| <link:definition> 2113100 - Disclosure - STOCK-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="StockBasedCompensationStockBasedCompensationExpenseDetails" roleURI="http://www.crl.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails"> |
| <link:definition> 2413402 - Disclosure - STOCK-BASED COMPENSATION - Stock Based Compensation Expense (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="StockBasedCompensationSummaryOfStockBasedCompensationGrantsDetails" roleURI="http://www.crl.com/role/StockBasedCompensationSummaryOfStockBasedCompensationGrantsDetails"> |
| <link:definition> 2413403 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock-Based Compensation Grants (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="StockBasedCompensationTables" roleURI="http://www.crl.com/role/StockBasedCompensationTables"> |
| <link:definition> 2313301 - Disclosure - STOCK-BASED COMPENSATION (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="SupplementalBalanceSheetInformation" roleURI="http://www.crl.com/role/SupplementalBalanceSheetInformation"> |
| <link:definition> 2105100 - Disclosure - SUPPLEMENTAL BALANCE SHEET INFORMATION </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="SupplementalBalanceSheetInformationDetails" roleURI="http://www.crl.com/role/SupplementalBalanceSheetInformationDetails"> |
| <link:definition> 2405402 - Disclosure - SUPPLEMENTAL BALANCE SHEET 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="SupplementalBalanceSheetInformationTables" roleURI="http://www.crl.com/role/SupplementalBalanceSheetInformationTables"> |
| <link:definition> 2305301 - Disclosure - SUPPLEMENTAL BALANCE SHEET INFORMATION (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="VentureCapitalAndOtherInvestments" roleURI="http://www.crl.com/role/VentureCapitalAndOtherInvestments"> |
| <link:definition> 2106100 - Disclosure - VENTURE CAPITAL AND OTHER INVESTMENTS </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="VentureCapitalAndOtherInvestmentsNarrativeDetails" roleURI="http://www.crl.com/role/VentureCapitalAndOtherInvestmentsNarrativeDetails"> |
| <link:definition> 2406401 - Disclosure - VENTURE CAPITAL AND OTHER INVESTMENTS - Narrative (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | </xsd:appinfo> |
| | </xsd:annotation> |
| <xsd:element abstract="true" id="crl_A2017RMSRestructuringMember" name="A2017RMSRestructuringMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_AccruedCompensationMember" name="AccruedCompensationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_AccruedInterestAndOtherLiabilitiesCurrent" name="AccruedInterestAndOtherLiabilitiesCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="crl_AssetImpairmentMember" name="AssetImpairmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_AssetImpairmentsAndAcceleratedDepreciationMember" name="AssetImpairmentsAndAcceleratedDepreciationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_AssetsAndLiabilitiesLesseeTableTextBlock" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_AuditTaxAndRelatedExpenses" name="AuditTaxAndRelatedExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_AuthorizedShareRepurchaseProgramMember" name="AuthorizedShareRepurchaseProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_BuildToSuitLeaseMember" name="BuildToSuitLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_BusinessCombinationConsiderationTransferredPreexistingSupplyAgreementSettlement" name="BusinessCombinationConsiderationTransferredPreexistingSupplyAgreementSettlement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_BusinessCombinationIntegrationRelatedCostsandTransactionCosts" name="BusinessCombinationIntegrationRelatedCostsandTransactionCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRedeemableNoncontrollingInterest" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRedeemableNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="crl_CashFlowLesseeAbstract" name="CashFlowLesseeAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_CitoxlabMember" name="CitoxlabMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_ComprehensiveIncomeLossbeforeTax" name="ComprehensiveIncomeLossbeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_ContingentConsiderationMember" name="ContingentConsiderationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_ContractWithCustomerAssetPercentageOfAmountReclassifiedtoReceivable" name="ContractWithCustomerAssetPercentageOfAmountReclassifiedtoReceivable" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_ContractWithCustomerLiabilityCustomerDeposits" name="ContractWithCustomerLiabilityCustomerDeposits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="crl_ContractWithCustomerLiabilityDeferredRevenue" name="ContractWithCustomerLiabilityDeferredRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="crl_ContractWithCustomerPercentageOfLiabilitiesRecognizedAsRevenue" name="ContractWithCustomerPercentageOfLiabilitiesRecognizedAsRevenue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_ContractWithCustomerUnpaidAdvancedClientBillings" name="ContractWithCustomerUnpaidAdvancedClientBillings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="crl_ContractwithCustomerTermsOfPayment" name="ContractwithCustomerTermsOfPayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_DebtInstrumentCovenantConsolidatedIndebtednesstoConsolidatedEBITDAMaximum" name="DebtInstrumentCovenantConsolidatedIndebtednesstoConsolidatedEBITDAMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/> |
| <xsd:element id="crl_DebtInstrumentCovenantEBITDALessCapitalExpenditurestoConsolidatedCashInterestExpenseRatioMinimum" name="DebtInstrumentCovenantEBITDALessCapitalExpenditurestoConsolidatedCashInterestExpenseRatioMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/> |
| <xsd:element id="crl_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountEligibleToBeRedeemed" name="DebtInstrumentRedemptionPricePercentageOfPrincipalAmountEligibleToBeRedeemed" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_DebtInstrumentRedemptionPricePercentageofPrincipalAmountChangeOfControlTriggeringEvent" name="DebtInstrumentRedemptionPricePercentageofPrincipalAmountChangeOfControlTriggeringEvent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_DepreciationAndAmortizationExpenseMember" name="DepreciationAndAmortizationExpenseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_DiscoveryandSafetyAssessmentMember" name="DiscoveryandSafetyAssessmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_EffectiveIncomeTaxRateReconciliationNetOperatingLosses" name="EffectiveIncomeTaxRateReconciliationNetOperatingLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_EquityMethodInvestmentIncreaseDecreaseInOwnershipPercentageByParent" name="EquityMethodInvestmentIncreaseDecreaseInOwnershipPercentageByParent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/> |
| <xsd:element id="crl_EquityMethodInvestmentInvestmentCommitment" name="EquityMethodInvestmentInvestmentCommitment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="crl_EquityMethodInvestmentInvestmentCommitmentAmountFunded" name="EquityMethodInvestmentInvestmentCommitmentAmountFunded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element id="crl_FairValueContingentConsiderationTableTextBlock" name="FairValueContingentConsiderationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" name="FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_FiniteLivedIntangibleAssetsOtherThanCustomerRelationshipsMember" name="FiniteLivedIntangibleAssetsOtherThanCustomerRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_IncomeLossFromVentureCapitalInvestments" name="IncomeLossFromVentureCapitalInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_IncreaseDecreaseInContractWithCustomerLiabilityCustomerDeposits" name="IncreaseDecreaseInContractWithCustomerLiabilityCustomerDeposits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_InvestmentsinLimitedPartnershipsTextBlock" name="InvestmentsinLimitedPartnershipsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_KWSBioTestLimitedMember" name="KWSBioTestLimitedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_LeaseArrangementsAxis" name="LeaseArrangementsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_LeaseArrangementsDomain" name="LeaseArrangementsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_LeasesWeightedAverageDiscountRateAbstract" name="LeasesWeightedAverageDiscountRateAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount" name="LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="crl_LesseeRenewalTerm" name="LesseeRenewalTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_LineOfCreditFacilityFeesPaidForTemporaryBackstopFacility" name="LineOfCreditFacilityFeesPaidForTemporaryBackstopFacility" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_LongTermDebtAndLeaseObligationNetOfCurrentPortion" name="LongTermDebtAndLeaseObligationNetOfCurrentPortion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="crl_LongtermDebtGrossAndLeaseObligation" name="LongtermDebtGrossAndLeaseObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="crl_MPIResearchMember" name="MPIResearchMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_ManufacturingSupportMember" name="ManufacturingSupportMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_MaxPsuShares" name="MaxPsuShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant"/> |
| <xsd:element id="crl_MaximumBorrowingCapacityTermLoanandLineofCreditFacilityPotentialIncreaseAvailable" name="MaximumBorrowingCapacityTermLoanandLineofCreditFacilityPotentialIncreaseAvailable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="crl_NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandExcludingRedeemableNoncontrollingInterest" name="NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandExcludingRedeemableNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_NumberofQuarterlyInstallmentPayments" name="NumberofQuarterlyInstallmentPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/> |
| <xsd:element id="crl_Numberofconsecutivefiscalquarters" name="Numberofconsecutivefiscalquarters" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_OneBillionFiveHundredAndFiftyMillionCreditFacilityMember" name="OneBillionFiveHundredAndFiftyMillionCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_OneBillionSixHundredAndFiftyMillionCreditFacilityMember" name="OneBillionSixHundredAndFiftyMillionCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_OperatingLeasesFutureMinimumPaymentsForLeasesNotYetCommenced" name="OperatingLeasesFutureMinimumPaymentsForLeasesNotYetCommenced" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="crl_OtherAcquisitionsMember" name="OtherAcquisitionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_OtherAssetsFairValueDisclosureAbstract" name="OtherAssetsFairValueDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_OtherLiabilitiesCurrentFairValueDisclosureAbstract" name="OtherLiabilitiesCurrentFairValueDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_OtherLongTermDebtMember" name="OtherLongTermDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_OtherMember" name="OtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_ResearchModelsAndServicesMember" name="ResearchModelsAndServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_RestrictedStockandRestrictedStockUnitsMember" name="RestrictedStockandRestrictedStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_RestructuringReservePaymentsforRestructuringandSettledwithoutCash" name="RestructuringReservePaymentsforRestructuringandSettledwithoutCash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_RightOfUseAssetObtainedInExchangeForLeaseLiabilityAbstract" name="RightOfUseAssetObtainedInExchangeForLeaseLiabilityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_SalariesAndBonus" name="SalariesAndBonus" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_ScheduleOfOtherAssetsCurrentTableTextBlock" name="ScheduleOfOtherAssetsCurrentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_ScheduleOfOtherLiabilitiesCurrentTableTextBlock" name="ScheduleOfOtherLiabilitiesCurrentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_ScheduleOfOtherLiabilitiesNoncurrentTableTextBlock" name="ScheduleOfOtherLiabilitiesNoncurrentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_ScheduleOfStockRepurchasesTable" name="ScheduleOfStockRepurchasesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_ScheduleOfUnallocatedCorporateOverheadTableTextBlock" name="ScheduleOfUnallocatedCorporateOverheadTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_SeniorNotesDue2026Member" name="SeniorNotesDue2026Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_SeniorNotesDue2028Member" name="SeniorNotesDue2028Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_SeveranceAndTransitionCostsMember" name="SeveranceAndTransitionCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_StockRepurchasesLineItems" name="StockRepurchasesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_SupplementalBalanceSheetInformationAbstract" name="SupplementalBalanceSheetInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_SupplierMember" name="SupplierMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_TemporaryEquityAdjustmentToFairValue" name="TemporaryEquityAdjustmentToFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_TemporaryEquityIncreaseDecreaseToNoncontrollingInterest" name="TemporaryEquityIncreaseDecreaseToNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_TemporaryEquityModificationsToEquityInterest" name="TemporaryEquityModificationsToEquityInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_TotalEquityAttributabletoCommonShareholdersMember" name="TotalEquityAttributabletoCommonShareholdersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_TradeReceivablesFromCustomers" name="TradeReceivablesFromCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element id="crl_TransactionCosts" name="TransactionCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_TwoBillionFiftyMillionCreditFacilityMember" name="TwoBillionFiftyMillionCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_TwoBillionThreeHundredMillionCreditFacilityMember" name="TwoBillionThreeHundredMillionCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_TwoBillionThreeHundredMillionCreditFacilityTermLoanMember" name="TwoBillionThreeHundredMillionCreditFacilityTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="crl_UnallocatedCorporateOverhead" name="UnallocatedCorporateOverhead" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="crl_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePeriodIncreaseDecrease" name="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePeriodIncreaseDecrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_VitalRiverMember" name="VitalRiverMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="crl_WeightedAverageRemainingLeaseTermAbstract" name="WeightedAverageRemainingLeaseTermAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| </xsd:schema> |