IDXX


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:CostOfRevenue

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:GrossProfit

us-gaap:ResearchAndDevelopmentExpense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:SellingAndMarketingExpense

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestExpense

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:TreasuryStockValue

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensation

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

idxx:OtherComprehensiveIncomeLossCashFlowHedgeAndNetInvestmentHedgeGainLossAfterReclassificationAndTax

idxx:OtherComprehensiveIncomeLossNetInvestmentHedgeCrossCurrencySwapsGainLossBeforeReclassificationAfterTax

idxx:OtherComprehensiveIncomeLossNetInvestmentHedgeCrossCurrencySwapsGainLossBeforeReclassificationTax

idxx:OtherComprehensiveIncomeLossNetInvestmentHedgeEuroDenominatedNotesGainLossAfterReclassificationAndTax

idxx:OtherComprehensiveIncomeLossNetInvestmentHedgeEuroDenominatedNotesGainLossAfterReclassificationTax

idxx:TreasuryStockAcquiredAverageCostPerShareEmployeeSurrenders

idxx:TreasuryStockAcquiredAverageCostPerShareOpenMarketRepurchase

idxx:TreasuryStockSharesAcquiredNetOfTaxWithholdings

idxx:TreasuryStockValueAcquiredCostMethodNetOfTaxWithholdings

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:ProductOrService
us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:GainLossOnComponentsExcludedFromAssessmentOfInterestRateCashFlowHedgeEffectiveness

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxesPaid

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndOtherIncome

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:LeaseIncome

us-gaap:OperatingLeaseExpense

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromRepaymentsOfOtherDebt
us-gaap:ProductOrService
us-gaap:PropertyPlantAndEquipmentTransfersAndChanges

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredParValueMethod
us-gaap:FinancingReceivablesPeriodPastDue
idxx:AccountsReceivablePercentPastDue

idxx:ContractwithCustomerAssetAndSalesTypeLeaseNetInvestmentInLeaseAllowanceforCreditLoss
us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AllowanceForDoubtfulAccountsReceivable
us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AssetsNoncurrent
us-gaap:ProductOrService
us-gaap:CapitalizedContractCostGross

us-gaap:CapitalizedContractCostNet

us-gaap:CapitalizedContractCostNetCurrent

us-gaap:CapitalizedContractCostNetNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:CommonStockOtherSharesOutstanding

us-gaap:CommonStockOtherValueOutstanding
us-gaap:ProductOrService
us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerAssetNetNoncurrent
us-gaap:ProductOrService
us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DeferredCosts

us-gaap:DeferredCostsCurrent

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:HedgingDesignation
us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection
us-gaap:HedgingDesignation
us-gaap:DerivativeAssetNotOffsetPolicyElectionDeduction
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:DerivativeAssets
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:DerivativeLiabilities
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:HedgingDesignation
us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection
us-gaap:HedgingDesignation
us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction

us-gaap:DerivativeNotionalAmount

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivableNoncurrent

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves
us-gaap:CreditFacility, us-gaap:SubsequentEventType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:LineOfCreditFacility
us-gaap:LineOfCreditFacility, us-gaap:SubsequentEventType

us-gaap:LinesOfCreditCurrent
us-gaap:FairValueByMeasurementBasis
us-gaap:LongTermDebtFairValue

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OtherAccruedLiabilitiesNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:OtherAssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:OtherAssetsMiscellaneousCurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:OtherLiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseOtherNoncurrent
us-gaap:ProductOrService
us-gaap:RevenueRemainingPerformanceObligation
us-gaap:ProductOrService
us-gaap:RevenueRemainingPerformanceObligationPercentage

us-gaap:SalesTypeLeaseLeaseReceivable

us-gaap:SecuredLongTermDebt

us-gaap:SharePrice

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockShares

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ██████████████████████████████▁▁▁▁▁▁▁▁10101010101010101010101010101010101010101010101010101010101099999999NANANA
us-gaap:CommonStockSharesIssued ███████▇▇▇▇▆▆▆▆▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▂▂▁1051051051051051051051041041041041031031031031021021021021021021011011011011011001001001009999999999989897NANANA
 us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock███████▁▁▁105105105105105105105104104104NANANA103NANANA102NANANA101NANANA0NANANA0NANANA99NANANA97NANANA
us-gaap:CommonStockSharesOutstanding ▁▃▃▆▆▆▆▆▆█84858586868686868687NANANANANANANANA9192NA47NANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 86NA878787NA888888NA898989NA919090NA929447NA505152NA535455NA565656NA585859NA595960
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 85NA868686NA868787NA878888NA898989NA919347NA495151NA525354NA545555NA565757NA575758
us-gaap:EarningsPerShareBasic ▇▅▇█▆▅▅▇▅▁▄▅▃▂▂▃▁▁▁▂▅▂▅▆▄▄▄▅▄▃▃▄▃▃▃▄▂▂▂▂▂1.311.051.261.461.190.991.071.251.020.440.810.970.780.590.630.750.510.490.480.610.990.541.051.120.90.830.871.010.820.790.780.930.740.680.680.850.640.630.60.640.57
us-gaap:EarningsPerShareDiluted ▇▅▇█▆▅▅▇▅▁▄▅▃▂▂▃▂▁▁▂▅▂▅▆▄▄▄▅▄▃▃▄▃▃▃▄▂▂▂▂▂1.291.041.241.431.170.981.051.231.010.430.790.950.770.580.620.740.510.480.480.60.980.541.031.10.890.820.860.990.810.780.760.910.720.670.660.830.620.620.590.620.55
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ████▇▆▆▇▆▆▅▆▅▄▅▅▄▄▄▄▃▃▃▃▃▃▂▃▂▂▂▂▂▂▂▂▁▁▁▁▁626605605620576549545580537506491508462442448466417399406413382351383390360354338352332319315335322307300317292283269281268
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,idxx:CagSegment█▇▇█▆▄▄▆▃▁▁551529533547508479478507470433426NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:Product████▆▆▅▇▄▄▂▃▁364363360365334332324348317309291304271NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:Service█▆▆▇▆▃▄▅▄▁▁261241245254241217221232220197200NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments idxx:CagDiagnosticsRecurringRevenue,idxx:CagSegment█▆▇█▆▄▄▆▄▂▂▃▁487446460477443401409437406359364380346NANANANANANANANANA277281NANA242253NANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments idxx:ReferenceLaboratoryDiagnosticAndConsultingServices,idxx:CagSegment█▆▆▇▆▃▄▅▄▁▂▂▁220201204213202178184197186161167171159NANANANANANANANANA126129NANA110115NANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments idxx:VetlabConsumables,idxx:CagSegment█▆▇▇▆▅▄▅▄▂▂▂▁188173177175167156152158149133129132123NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments idxx:CagSegment█▇▇█▆▅▅▆▄▂▂▃▁551529533547508479478507470433426439403NA385400357NA344351324NA320326301NA283295276NA262278268NA248NANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical country:US█▆▇▇▆▄▄▅▄▂▂▃▁396368380388358333340356327297301315288NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical srt:AsiaPacific▆█▆▆▅▆▃▆▃▄▁6368646460625662565951NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical us-gaap:EMEA129NANANA121NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostOfRevenue ▇█▆▆▃▄▂▃▁266274260262244249239248234NA217216203NA201206190NA182180166NA170171158NA152154148NA144150147NA142143137NA127132126
us-gaap:CostOfGoodsAndServicesSold ▇█▆▆▃▄▂▃▁266274260262244249239248234NA217216203NA201206190NA182180166NA170171158NA152154148NA144150147NA142143137NA127132126
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:Product125NA125127117NA120127118NA109NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:Service141NA135134127NA119121116NA108NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit █▇██▇▆▆▇▆▅▅▆▅▄▄▅▄▃▄▄▃▂▃▃▃▂▂▃▂▂▂▂▂▂▂▂▁▁▁▁▁359331344357331300305332303272274292258240246260227217224232215182213218202188185197183169170184174158158174154144142149142
us-gaap:ResearchAndDevelopmentExpense ▆█▇▄▃▂▁▁▁333534323130292929NA272625NA252524NA242425NA242523NA212221NA202020NA191817NA171716
us-gaap:GeneralAndAdministrativeExpense ▄█▄▁▂▁▃▂▂657466596058636160NA575552NA525449NA464442NA454141NA383841NA353436NA323332NA303332
us-gaap:SellingAndMarketingExpense █▄▄▃▅▁▁▁▃116105104101106959596100NA888787NA797679NA737575NA706867NA605759NA525457NA505050NA444444
us-gaap:OperatingIncomeLoss ▇▅▇█▆▅▅▇▅▄▅▆▄▄▄▅▃▃▃▄▃▁▃▄▃▂▃▃▂▃▃▃▂▂▂▃▂▂▂▂▂1441151391641331151171451139710012292838810473667188723472837061657861636275605556715350495448
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,idxx:CagSegment▅▄▆█▅▂▃▆▃▁▁118107124144115971021291008589NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,idxx:WaterSegment▅▅█▇▂▂▅▅▁▁▄1515171613131515121214NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense ▁▁▁▄▄▄▄▄█777888889NA998NA788NA776NA422NA110NA001NA000NA000
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▁█▃▆▆▅▆▁▇-2210-133-1-3-1-215NA878NA1-16NA-137-20NANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▅▂▅█▄▄▁▇▁241723302221152814NA212915NA252920NA202420NA162321NA182415NA192418NA172216NA141715
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent240000.0NA-688000.0-358000.0-249000.0NA-153000.0379000.0250000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▆▂▅█▄▁▂▅▂11190108125102859310889NA708569NA566746NA445646NA525746NA455344NA425140NA384836NA343733
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest29000.0NA1000.0-5000.028000.0NA-37000.0-11000.025000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings111NA108125102NA9310889NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▄▂▄█▄▁▂▄▂10289103125104869310091NA748573NA566950NA295830NA395747NA505240NA484044NA305542NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▆█▄▄▆▇▁▃▆29000.048000.01000.0-5000.028000.039000.0-37000.0-11000.025000.0NA3000.050000.039000.0NA-3000.04000.06000.0NA6000.026000.0-16000.0NA21000.026000.08000.0NA4000.04000.07000.0NA20000.03000.0-9000.0NA-11000.0-3000.0-6000.0NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▄▂▄█▄▁▂▄▂10289103125104869310091NA748573NA566950NA295830NA395747NA505240NA484044NA305542NANANANA
us-gaap:NetIncomeLoss ▇▆▇█▆▅▆▇▅▂▄▅▄▃▃▄▂▂▂▃▂▁▃▃▂▂▂▃▂▂▂▃▂▂▂▃▂▂▂▂▂111901081251028593108893870856952566746444456462552574643455344434251403838483636343733
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▆█▄▄▆▇▁▃▆29000.048000.01000.0-5000.028000.039000.0-37000.0-11000.025000.0NA3000.050000.039000.0NA-3000.04000.06000.0NA6000.026000.0-16000.0NA21000.026000.08000.0NA4000.04000.07000.0NA20000.03000.0-9000.0NA-11000.0-3000.0-6000.0NA21000.04000.02000.0
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ██▇▇▇▆▆▅▅▇▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁1886183217511724168015371544152014691713166916371572153015001489147814741477147714311384129012831262123011951164113211031093106710611030969950909897NANANA
us-gaap:Liabilities █▇▇▇▇▇▇▇▇███▇▇▆▇▇▇▇▇▆▆▅▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁17781654154815521629154615451561151817671717172316461638144514971552155815161468139612661061830750712660614501467475477494491383341312322NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▆▆▅▅▇▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁1886183217511724168015371544152014691713166916371572153015001489147814741477147714311384129012831262123011951164113211031093106710611030969950909897NANANA
us-gaap:StockholdersEquity ▃▄▄▄▂▂▂▂▂▂▂▁▁▁▃▂▁▁▂▂▂▃▄▆▇▇▇▇████▇▇███▇10717720217151-9-1-41-49-54-48-86-74-10854-8-73-84-38834117229452512518534549631636617589566539585608596574NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▅▄▄▄▄▄▄▅▄██▇▇▆▆▆▆▆▆▆▆▅▄▄▄▄▃▃▃▂▃▂▂▂▂▁▁▁721679703712697654704739701971942918878845828821809821833833808759702701683652625614594569570555544524510493465460NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▁▂▂▂▂▃▄▃▄▄▃▃▃▃▃▂▂▃▃▄█▇█▇▇▆▆▅▅▅▄▄▄▄▃▃▃▃▂▂8190103110116123146174159187169165160154150141132128141163182322292305286279264251228223221201185183181159153156133117106
us-gaap:AccountsReceivableNetCurrent █▇▇▇▇▆▇▇▆▅▅▆▅▄▄▅▅▄▄▄▄▂▃▃▃▂▂▃▂▂▂▂▃▂▂▂▂▁299269268286281248264265259234228240225204204212212188190199196152160168179158151159158138141147160141134149137120NANANA
us-gaap:InventoryNet █▇▇▇▆▅▅▅▅▄▅▄▅▄▄▅▆▆▆▆▅▄▃▂▂▂▂▂▃▂▃▂▂▂▂▂▁▁211195204196189173179176179164176169172158168175183188192184173160156145141133145140148140147143141133137133127127NANANA
us-gaap:OtherAssetsCurrent ███▇▇▇▇█▆▆▅▅▅▆▄▄▄▄▄▄▅▅▄▃▂▃▂▂▂▂▂▂▂▂▂▁▁▂12812412611811010811312310310183858091636262626367818660484348353733383537334029242129NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentNet ██▇▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▃▄▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁546533496469449437409394384379367364361357349347343333320326309303291286282281274266253245231220216216213210202201NANANA
us-gaap:Goodwill ██▆▆▆▆▆▅▅▅▅▅▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁233239212215214214216195201199199196180178180180181178180179176184176181180180180171172174174170175172150154152149NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▆▆▁▁▂▂▂▂▂▃▃▃▃▃▃▄▅▅▆▆▆▇▆▅▆▆▆▆▆▇▇▇██▄▅▅▅5758353739414239414345464546474953555857596559555758615861626364686950535455NANANA
us-gaap:OtherAssetsNoncurrent ██▇▇▆▆▆▅▅▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁248240224207199189171151140118114110105103949091858481757160575957535351515255554743393429NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LiabilitiesCurrent ▆▅▄▄▅▆▆▆▅███▇▇▆▆▇▇▆▆▆▆▄▄▃▃▄▄▃▂▂▂▃▃▂▁▁▁84672562661868977075977472810049961001936934760822878856824775803820630600517478592551439406415419437436336298272285NANANA
us-gaap:AccountsPayableCurrent ███▇▇▇▇▇▇▇▆▆▆▆▄▅▅▅▅▆▄▄▆▄▄▂▃▃▃▃▂▂▃▃▂▂▁▁7472756770696568706660586260445052525358444458414229383738353129403631292322NANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▅█▆▅▄▅▄▄▅▅▄▄▄▆▄▄▅▅▄▅▄▄▃▂▂▂▂▂▂▂▁▁▁▂▂▂668675685865616165646061557160586265606257554745444440414443393636404141NA36NANANA
us-gaap:AccruedIncomeTaxesCurrent ▆▅▂▁█▂▃▁▂▄33312625362628252629NANANA23NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LiabilitiesNoncurrent █████▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▅▄▄▂▃▃▁▁▁▁▁▁▁▁▁▁▁▁931929922933939776786787789762721721709704685674673702691693593445430229232233676261615958565446434037NANANA
us-gaap:MinorityInterest █▇▇▇▇▆▅▆▆▆▅▅▄▃▃▄▃▃▃▂▂▂▂▂▂▁▂▂▂▂▁▁▁▁▁▂▂▂381000.0352000.0304000.0303000.0308000.0280000.0241000.0278000.0290000.0264000.0231000.0228000.0178000.0139000.0136000.0140000.0135000.0130000.089000.083000.057000.073000.083000.062000.036000.028000.049000.045000.041000.034000.028000.08000.05000.014000.026000.037000.040000.046000.0NANANA
us-gaap:OtherLiabilitiesNoncurrent ▇▇▆▇▇▇▇▇▇█▄▄▄▃▃▃▃▂▂▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁8181777982848183849549494238343030282931313231303131282524232221201715121211NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▃▄▄▄▂▂▂▂▂▂▂▁▁▁▃▂▁▁▂▂▂▃▄▆▇▇▇▇████▇▇███▇10717720217151-9-1-41-49-54-48-86-74-10854-8-73-84-38834117229452512518534549631636617589566539585608596574NANANA
us-gaap:CommonStockValue ██████████████████████████████▁▁▁▁▁▁▁▁10101010101010101010101010101010101010101010101010101010101099999999NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▆▆▅▅▅▄▄▄▃▃▂▂▂▂▁▁▁███▇▇▇▇▇▆▆▆▆▅▅▅▅▅▄170515951505139612701167108298988080376569460954048843136431827423117211675164915971539149314501404135013051262121911681127108910501002965NANANA
us-gaap:TreasuryStockValue █▇▇▆▆▆▆▅▅▄▄▄▄▃▂▂▂▂▂▁▇▇▆▅▄▄▄▃▃▃▂▂▂▂▂▁▁▁27882600246123702350228821852111200519111856180516911633140813921369131612221137259124532303203119041829174416671525145714151379135213201230116311041060NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▂▂▂▂▂▂▂▃▃▃▂▂▂▃▃▃▂▃▄▄▅▆▇▇▇▇▇▇▇▇▆▇▇▇█▇▇-55-46-45-40-40-41-42-42-34-36-34-38-38-43-35-35-37-42-37-22-24-8115141315101115148191518261913NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█▇▇▁▇▆2715513213734135110NA34121110NA31NANANANANANANA-14NANANA33NANANA20NANANA15NANANA25NANANA19
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▁███▇▆-49-95-37-34-38-39-54NA260-24-41NA-29NANANANANANANA-160NANANA-12NANANA-16NANANA-7NANANA-6NANANA-8
us-gaap:NetCashProvidedByUsedInFinancingActivities █▃▂▁▇▁▃16-74-99-109-2-117-84NA-324-78-67NA1NANANANANANANA36NANANA-14NANANA2NANANA-6NANANA-23NANANA-9
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█▇▇▁▇▆2715513213734135110NA34121110NA31NANANANANANANA-14NANANA33NANANA20NANANA15NANANA25NANANA19
us-gaap:NetIncomeLoss ▇▆▇█▆▅▆▇▅▂▄▅▄▃▃▄▂▂▂▃▂▁▃▃▂▂▂▃▂▂▂▃▂▂▂▃▂▂▂▂▂111901081251028593108893870856952566746444456462552574643455344434251403838483636343733
us-gaap:ProfitLoss ▆▂▅█▄▁▂▅▂11190108125102859310889NA708569NA566746NA445646NA525746NA455344NA425140NA384836NA343733
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest29000.0NA1000.0-5000.028000.0NA-37000.0-11000.025000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings111NA108125102NA9310889NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization █▆▆▃▃▁▁23222221212020NA20NANANA20NANANA18NANANA16NANANA13NANANA13NANANA12NANANA11NANANA11
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet █▁▃▂▇▁▃64-198-349-182NA52NANANA38NANANA27NANANA10NANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInInventories █▁█▅█▁▆14013814-110NA8NANANA5NANANA-1NANANA10NANANA-2NANANA8NANANA8NANANA0NANANA12
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▁███▇▆-49-95-37-34-38-39-54NA260-24-41NA-29NANANANANANANA-160NANANA-12NANANA-16NANANA-7NANANA-6NANANA-8
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment █▆▃▂▄▂▁49453733383331NA23NANANA23NANANA21NANANA23NANANA11NANANA19NANANA9NANANA9NANANA8
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▃▂▁▇▁▃16-74-99-109-2-117-84NA-324-78-67NA1NANANANANANANA36NANANA-14NANANA2NANANA-6NANANA-23NANANA-9
us-gaap:PaymentsForRepurchaseOfCommonStock █▆▄▁▂▅▃18214085205410573NA83NANANA63NANANA53NANANA133NANANA70NANANA63NANANA27NANANA39NANANA57
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType idxx:MetLife2030SeriesDNotes,us-gaap:SeniorNotes,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value101010101010101010101010101010101010101010101010101010101010999999999
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.60.70.70.70.70.60.60.60.70.70.70.70.70.70.70.70.70.70.80.80.80.80.80.90.90.90.90.90.91.01.01.01.11.11.2

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value105105105105105105105104104104104103103103103102102102102102102101101101101101100100100100999999999998989796
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value1051051051051051051051041041041031021010099979695
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.10.1100.0100.0100.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-09-302015-06-302014-12-31
Value84858586868686868687919247
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value86878787888888898989919090929447505152535455565656585859595960
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value85868686868787878888898989919347495151525354545555565757575758
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.311.051.261.461.190.991.071.251.020.440.810.970.780.590.630.750.510.490.480.610.990.541.051.120.90.830.871.010.820.790.780.930.740.680.680.850.640.630.60.640.57
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.291.041.241.431.170.981.051.231.010.430.790.950.770.580.620.740.510.480.480.60.980.541.031.10.890.820.860.990.810.780.760.910.720.670.660.830.620.620.590.620.55
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value626605605620576549545580537506491508462442448466417399406413382351383390360354338352332319315335322307300317292283269281268
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value551529533547508479478507470433426
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.187.588.188.388.387.287.787.487.685.786.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.187.588.188.388.387.287.787.487.685.786.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments idxx:CagSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, idxx:LpdSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3436313331332934323728
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.56.15.25.35.56.25.46.06.07.45.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.56.15.25.35.56.25.46.06.07.45.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments idxx:LpdSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, idxx:OtherSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value66545645565
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.01.00.80.91.10.91.01.01.31.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.01.00.80.91.10.91.01.01.31.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments idxx:OtherSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, idxx:WaterSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3432343430303332292831
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.55.45.85.65.35.56.15.65.45.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.55.45.85.65.35.56.15.65.45.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments idxx:WaterSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:Product



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value364363360365334332324348317309291304271
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax58.260.059.559.058.060.559.560.059.061.159.259.758.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax58.260.059.559.058.060.559.560.059.061.159.259.758.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value261241245254241217221232220197200
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.840.040.541.042.039.540.540.041.038.940.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.840.040.541.042.039.540.540.041.038.940.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

idxx:CagDiagnosticCaptailVetlabInstruments, idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-09-302014-06-302013-09-302013-06-30
Value2339323128373134303629272618181920
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.86.65.45.15.06.85.85.95.77.35.95.45.74.74.85.75.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.86.65.45.15.06.85.85.95.77.35.95.45.74.74.85.75.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:CagDiagnosticCaptailVetlabInstruments idxx:CagSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:CagDiagnosticsRecurringRevenue, idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-09-302014-06-302013-09-302013-06-30
Value487446460477443401409437406359364380346277281242253
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.973.776.277.077.073.175.075.475.571.174.274.775.072.572.271.671.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.973.776.277.077.073.175.075.475.571.174.274.775.072.572.271.671.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:CagDiagnosticsRecurringRevenue idxx:CagSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:CagDiagnosticsServiceAndAccessories, idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value21211919191818181717161616
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.43.53.33.23.43.33.43.23.33.53.43.33.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.43.53.33.23.43.33.43.23.33.53.43.33.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:CagDiagnosticsServiceAndAccessories idxx:CagSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:RapidAssayProducts, idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value57505868544853635246506047
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.28.39.711.19.48.89.910.99.79.110.411.810.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.28.39.711.19.48.89.910.99.79.110.411.810.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:RapidAssayProducts idxx:CagSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:ReferenceLaboratoryDiagnosticAndConsultingServices, idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-09-302014-06-302013-09-302013-06-30
Value220201204213202178184197186161167171159126129110115
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.233.233.934.535.232.533.834.034.832.034.133.734.433.033.232.632.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.233.233.934.535.232.533.834.034.832.034.133.734.433.033.232.632.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:ReferenceLaboratoryDiagnosticAndConsultingServices idxx:CagSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:VeterinarySoftwareServicesAndDiagnosticImagingSystems, idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value40433938364037353336323130
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.47.26.56.26.37.36.96.16.37.36.66.36.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.47.26.56.26.37.36.96.16.37.36.66.36.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:VeterinarySoftwareServicesAndDiagnosticImagingSystems idxx:CagSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:VetlabConsumables, idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value188173177175167156152158149133129132123
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.128.729.328.229.028.528.027.327.826.426.326.026.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.128.729.328.229.028.528.027.327.826.426.326.026.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:VetlabConsumables idxx:CagSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value551529533547508479478507470433426439403385400357344351324320326301283295276262278268248
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.187.588.188.388.387.287.787.487.685.786.786.487.385.985.885.784.785.184.883.683.783.783.983.983.483.282.983.182.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.187.588.188.388.387.287.787.487.685.786.786.487.385.985.885.784.785.184.883.683.783.783.983.983.483.282.983.182.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:CagSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:LpdSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value3436313331332934323728332929323030323129323125282818282920
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.56.15.25.35.56.25.46.06.07.45.86.66.36.67.07.47.57.88.27.78.48.77.48.08.46.08.59.06.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.56.15.25.35.56.25.46.06.07.45.86.66.36.67.07.47.57.88.27.78.48.77.48.08.46.08.59.06.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:LpdSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:OtherSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value665456455656455554476566611121210119910
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.01.00.80.91.10.91.01.01.31.21.21.01.21.21.31.51.11.31.91.61.61.81.71.93.83.74.03.53.53.13.43.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.01.00.80.91.10.91.01.01.31.21.21.01.21.21.31.51.11.31.91.61.61.81.71.93.83.74.03.53.53.13.43.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:OtherSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:WaterSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value343234343030333229283129252727232525212524212322202221192121182019
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.55.45.85.65.35.56.15.65.45.76.35.85.46.26.05.66.46.15.76.76.35.96.96.36.27.06.56.17.26.86.57.46.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.55.45.85.65.35.56.15.65.45.76.35.85.46.26.05.66.46.15.76.76.35.96.96.36.27.06.56.17.26.86.57.46.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax idxx:WaterSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementGeographical

country:CA



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value24242427232222262221202318
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.94.04.04.54.04.14.14.54.24.24.24.54.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.94.04.04.54.04.14.14.54.24.24.24.54.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value396368380388358333340356327297301315288
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.360.862.862.762.260.662.561.460.958.861.362.062.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.360.862.862.762.260.662.561.460.958.861.362.062.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6368646460625662565951
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.111.310.710.310.411.410.410.810.411.710.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.111.310.710.310.411.410.410.810.411.710.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:LatinAmerica



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1215141412141212111312
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.52.32.42.22.62.42.22.12.72.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.52.32.42.22.62.42.22.12.72.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:LatinAmerica100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA



Period End2020-03-312019-03-31
Value129121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.721.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.721.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA100.0100.0

Revenue From Contract With Customer Including Assessed Tax

Sales Revenue Net

Sales Revenue Goods Net

Cost Of Revenue

us-gaap:CostOfRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value266274260262244249239248234217216203201206190182180166170171158152154148144150147142143137127132126
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.645.343.042.342.445.344.042.843.644.342.544.145.044.245.544.843.743.644.444.043.945.143.944.645.945.045.847.345.247.147.347.047.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value266274260262244249239248234217216203201206190182180166170171158152154148144150147142143137127132126
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.645.343.042.342.445.344.042.843.644.342.544.145.044.245.544.843.743.644.444.043.945.143.944.645.945.045.847.345.247.147.347.047.0

us-gaap:ProductOrService

us-gaap:Product



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value125125127117120127118109
Percentage of CostOfGoodsAndServicesSold47.048.148.848.050.251.350.450.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.020.720.620.422.121.922.022.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product34.434.835.035.137.136.537.237.7

us-gaap:Service



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value141135134127119121116108
Percentage of CostOfGoodsAndServicesSold53.051.951.252.049.848.749.649.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.622.321.722.121.920.821.622.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service54.055.152.852.554.052.152.853.8

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-03-31
Value11
Percentage of CostOfGoodsAndServicesSold0.50.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.0

Cost Of Goods Sold

Cost Of Services

Gross Profit

us-gaap:GrossProfit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value359331344357331300305332303272274292258240246260227217224232215182213218202188185197183169170184174158158174154144142149142
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.454.757.057.757.654.756.057.256.453.855.757.555.954.355.055.854.554.555.256.356.451.855.656.056.153.354.956.155.452.954.155.054.251.752.754.852.951.052.753.053.0

Operating Expenses

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value333534323130292929272625252524242425242523212221202020191817171716
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.35.85.75.25.55.55.45.15.45.65.35.65.75.45.96.15.96.56.56.56.46.46.36.66.56.06.46.45.96.16.46.16.2

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value657466596058636160575552525449464442454141383841353436323332303332
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.512.311.09.710.510.711.710.511.311.610.911.511.711.611.811.410.911.111.910.711.411.411.012.511.210.211.210.810.411.111.411.812.2

Selling And Marketing Expense

us-gaap:SellingAndMarketingExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value116105104101106959596100888787797679737575706867605759525457505050444444
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.517.517.316.318.517.517.416.618.618.117.218.917.816.419.118.018.219.618.417.418.817.816.417.916.516.217.916.816.017.416.515.716.5

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1441151391641331151171451139710012292838810473667188723472837061657861636275605556715350495448
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.019.123.126.523.121.021.525.121.019.320.424.120.018.919.722.317.716.717.721.419.09.918.821.319.417.319.422.318.419.819.922.618.718.018.622.418.317.918.519.518.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, idxx:CagSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value118107124144115971021291008589
Percentage of OperatingIncomeLoss82.293.089.088.086.484.187.189.188.887.688.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.917.820.623.320.017.718.722.318.716.918.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments idxx:CagSegment21.520.323.426.422.620.321.425.621.319.820.9

us-gaap:OperatingSegments, idxx:LpdSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value97466546260
Percentage of OperatingIncomeLoss6.76.73.63.94.75.23.44.42.66.70.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.30.81.01.11.10.71.10.61.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments idxx:LpdSegment28.321.115.919.319.817.613.618.59.217.73.2

us-gaap:OperatingSegments, idxx:OtherSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value01101101012
Percentage of OperatingIncomeLoss0.11.11.00.51.11.40.40.80.41.62.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.20.20.10.30.30.10.20.10.30.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments idxx:OtherSegment2.020.923.415.428.726.99.220.19.223.936.1

us-gaap:OperatingSegments, idxx:WaterSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1515171613131515121214
Percentage of OperatingIncomeLoss11.013.012.210.110.411.413.510.411.012.514.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.52.82.72.42.42.92.62.32.42.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments idxx:WaterSegment46.545.848.847.745.543.447.946.342.842.246.7

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value777888889998788776422110001000000
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.21.21.31.51.61.51.51.72.01.81.91.71.82.01.91.81.61.10.80.80.40.30.30.30.30.40.30.20.20.30.20.1

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-2210-133-1-3-1-2158781-16-137-20
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.51.8-2.30.5-0.2-0.7-0.3-3.71.01.71.61.70.4-0.31.4-3.41.8-5.3

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value241723302221152814212915252920202420162321182415192418172216141715
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.03.04.04.93.83.92.94.92.84.45.73.45.66.44.95.16.05.34.26.05.95.66.84.86.27.25.95.77.05.75.46.15.6

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value240000.0-688000.0-358000.0-249000.0-153000.0379000.0250000.0
Percentage of IncomeTaxExpenseBenefit1.0-2.9-1.2-1.1-1.01.31.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.1-0.1-0.0-0.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.0

Income Taxes Paid Net

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value11190108125102859310889708569566746445646525746455344425140384836343733
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.915.018.020.317.815.617.118.716.614.316.814.912.614.411.010.913.812.213.614.712.913.515.313.513.615.312.612.815.312.512.913.212.3

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value122100-1
Percentage of ProfitLoss1.02.31.71.10.1-0.4-1.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.40.30.20.0-0.1-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value29000.01000.0-5000.028000.0-37000.0-11000.025000.0
Percentage of ProfitLoss0.00.0-0.00.0-0.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-0.00.0-0.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1111081251029310889
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.918.020.317.817.118.716.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value10289103125104869310091748573566950295830395747505240484044305542
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.414.817.220.218.115.717.217.317.115.116.816.012.714.812.27.114.28.010.214.813.215.015.012.215.412.113.910.217.514.6

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value29000.048000.01000.0-5000.028000.039000.0-37000.0-11000.025000.03000.050000.039000.0-3000.04000.06000.06000.026000.0-16000.021000.026000.08000.04000.04000.07000.020000.03000.0-9000.0-11000.0-3000.0-6000.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.0-0.00.00.0-0.0-0.00.00.00.00.0-0.00.00.00.00.0-0.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value10289103125104869310091748573566950295830395747505240484044305542
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.414.917.220.218.115.717.217.317.115.116.816.012.714.812.27.114.28.010.214.813.215.015.012.215.412.113.910.217.514.6

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value111901081251028593108893870856952566746444456462552574643455344434251403838483636343733
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.914.918.020.317.815.617.118.716.67.614.316.814.911.812.614.411.011.110.913.812.27.413.614.712.912.213.515.313.513.613.615.312.612.412.815.312.512.812.913.212.3

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value29000.048000.01000.0-5000.028000.039000.0-37000.0-11000.025000.03000.050000.039000.0-3000.04000.06000.06000.026000.0-16000.021000.026000.08000.04000.04000.07000.020000.03000.0-9000.0-11000.0-3000.0-6000.021000.04000.02000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.0-0.00.00.0-0.0-0.00.00.00.00.0-0.00.00.00.00.0-0.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.00.00.00.0

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1886183217511724168082153715441520146917411713166916371572153015001489147814741477147714311384129012831262123011951164113211031093106710611030969950909897808
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value17781654154815521629821546154515611518180017671717172316461638144514971552155815161468139612661061830750712660614501467475477494491383341312322293
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets94.390.388.490.196.9100.0100.6100.1102.7103.3103.4103.1102.9105.3104.7107.196.3100.6105.0105.7102.699.497.691.582.264.759.457.955.252.844.342.343.544.746.647.739.536.034.436.036.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18861832175117241680153715441520146917411713166916371572153015001489147814741477147714311384129012831262123011951164113211031093106710611030969950909897808
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10717720217151-9-1-41-49-54-48-86-74-10854-8-73-84-38834117229452512518534549631636617589566539585608596574514
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.79.711.69.93.1-0.6-0.1-2.7-3.4-3.2-2.9-5.3-4.7-7.13.7-0.6-5.0-5.7-2.60.62.48.517.835.340.642.144.747.255.757.656.555.353.452.360.564.065.664.063.6

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7216797037126970654704739701971942918878845828821809821833833808759702701683652625614594569570555544524510493465460376
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.237.140.241.341.5-1.242.645.648.747.856.756.556.155.955.255.255.154.755.756.456.456.554.954.454.754.153.052.352.852.551.652.252.051.350.952.751.951.251.346.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value81901031101161231461741591871691651601541501411321281411631823222923052862792642512282232212011851831811591531561331171061067860
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.34.95.96.46.98.19.511.510.811.010.110.110.210.110.09.59.08.79.611.012.723.322.723.822.722.722.221.620.220.320.318.917.517.818.716.816.917.50.00.00.013.20.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value299269268286281248264265259237234228240225204204212212188190199196152160168179158151159158138141147160141134149137120115
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.914.715.316.616.716.217.117.417.713.613.713.714.714.313.413.614.314.312.812.913.513.711.012.413.114.312.812.713.714.012.512.913.815.213.713.915.715.113.414.2

Inventory Net

us-gaap:InventoryNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value211195204196189173179176179163164176169172158168175183188192184173160156145141133145140148140147143141133137133127127110
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.210.611.711.411.311.311.611.612.29.49.610.610.411.010.311.211.812.412.813.012.512.111.612.111.311.210.812.212.113.112.813.513.513.312.914.214.114.014.313.7

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12812412611811001081131231031018385809163626262636781866048434835373338353733402924212918
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.86.87.26.96.6-1.27.07.38.17.05.95.05.25.16.04.24.24.24.24.34.65.76.24.73.83.54.03.03.22.93.53.23.53.23.93.12.52.43.32.3

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value546533496469449437409394384379379367364361357349347343333320326309303291286282281274266253245231220216216213210202201199
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.029.128.427.326.728.426.525.926.121.822.122.022.323.023.423.323.323.222.621.722.121.721.922.622.322.422.922.922.922.422.221.220.720.421.022.122.122.322.524.7

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value233239212215214214216195201199199196180178180180181178180179176184176181180180180171172174174170175172150154152149148138
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.413.112.112.512.814.014.012.913.711.712.012.011.511.612.112.112.312.112.212.212.413.313.714.214.314.715.114.715.215.916.016.016.516.715.516.216.816.618.40.0

us-gaap:BusinessAcquisition

idxx:ReferenceLaboratoryinMidWestUnitedStates



Period End2020-03-312019-10-07
Value2224
Percentage of Goodwill9.80.0
Percentage of Assets1.20.0
Percentage of Assets idxx:ReferenceLaboratoryinMidWestUnitedStates0.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value575835373941423941434546454647495355585759655955575861586162636468695053545563
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.22.02.22.32.72.72.62.92.62.72.82.93.03.23.33.63.84.03.94.24.74.64.34.54.85.15.05.45.75.86.16.46.75.25.66.06.27.9

Finite Lived Intangible Assets Net

Intangible Assets Net Including Goodwill

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24824022420719918917115114011811411010510394909185848175716057595753535151525555474339342919
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.213.112.812.011.912.311.110.09.66.96.86.86.76.76.36.16.25.85.75.55.35.24.74.54.74.74.54.64.54.64.85.25.34.74.54.23.73.32.4

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8467256266186891377075977472810049961001936934760822878856824775803820630600517478592551439406415419437436336298272285256
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.939.635.835.941.016.750.149.250.949.658.659.761.259.561.150.755.259.458.155.852.556.159.348.846.841.038.949.647.438.836.838.039.341.242.434.731.430.031.831.7

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value74727567706965687066666058626044505252535844445841422938373835312940363129232219
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.93.94.33.94.24.54.24.54.83.83.93.63.64.03.92.93.43.53.63.63.93.13.24.53.23.42.43.23.23.43.22.92.83.83.53.23.12.62.52.4

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value66867568586561616564606155716058626560625755474544444041444339363640414136
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.54.74.34.03.54.24.04.04.53.83.63.73.54.74.03.94.24.54.14.34.04.03.73.53.53.63.43.53.93.93.73.43.43.94.24.44.0

Taxes Payable Current

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value3331262536262825262923
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.71.51.52.21.71.81.71.81.71.6

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9319299229339396877678678778976272172170970468567467370269169359344543022923223367626161595856544643403737
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.450.752.654.255.983.350.550.951.853.744.543.244.145.246.045.745.345.647.646.846.941.532.233.417.918.519.05.65.45.55.55.55.55.45.34.84.64.44.24.7

Long Term Debt

Deferred Tax Liabilities Noncurrent

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value381000.0352000.0304000.0303000.0308000.0280000.0241000.0278000.0290000.0264000.0231000.0228000.0178000.0139000.0136000.0140000.0135000.0130000.089000.083000.057000.073000.083000.062000.036000.028000.049000.045000.041000.034000.028000.08000.05000.014000.026000.037000.040000.046000.010000.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value81817779828481838482954949423834303028293131323130313128252423222120171512121111
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.34.44.44.64.95.55.35.55.84.85.63.03.02.72.52.32.02.11.92.02.12.22.32.42.42.52.52.42.22.22.22.12.01.91.71.61.41.41.21.4

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10717720217151-9-1-41-49-54-48-86-74-10854-8-73-84-38834117229452512518534549631636617589566539585608596574514
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.79.711.69.93.1-0.6-0.1-2.7-3.4-3.2-2.9-5.3-4.7-7.13.7-0.6-5.0-5.7-2.60.62.48.517.835.340.642.144.747.255.757.656.555.353.452.360.564.065.664.063.6

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value101010101010101010101010101010101010101010101010101010101010999999999
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.60.70.70.70.70.60.60.60.70.70.70.70.70.70.70.70.70.70.80.80.80.80.80.90.90.90.90.90.91.01.01.01.11.11.2

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value170515951505139612701167108298988079880376569460954048843136431827423117211675164915971539149314501404135013051262121911681127108910501002965824
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets90.487.185.981.075.676.070.165.059.945.946.945.842.438.835.332.529.024.621.618.515.6120.3121.0127.8124.5122.0121.4121.3120.6119.2118.3115.4114.2110.1109.4112.4110.5110.2107.6101.9

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value27882600246123702350228821852111200519111856180516911633140813921369131612221137259124532303203119041829174416671525145714151379135213201230116311041060914
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets147.8141.9140.5137.5139.8148.9141.5138.9136.5111.6111.2110.3107.6106.793.993.592.689.282.877.0181.1177.2178.5158.3150.9148.7145.9143.3134.6132.0129.5129.3127.4128.1127.0122.4121.4118.2113.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-55-46-45-40-40-41-42-42-34-857-36-34-38-38-43-35-35-37-42-37-22-24-811514131510111514819151826191310
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.9-2.5-2.6-2.4-2.4-2.7-2.7-2.8-2.3-49.2-2.1-2.1-2.3-2.4-2.8-2.3-2.4-2.5-2.9-2.5-1.5-1.7-0.60.21.21.11.11.30.91.01.41.30.81.81.51.92.82.21.51.3

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value27155132137341351103412111031-143320152519
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.425.721.922.16.024.720.36.523.922.56.8-3.89.36.24.78.67.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value-49-95-37-34-38-39-54260-24-41-29-160-12-16-7-6-8
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.9-15.8-6.2-5.5-6.6-7.3-9.948.4-4.8-8.4-6.3-42.0-3.5-5.1-2.3-2.2-3.2

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value16-74-99-109-2-117-84-324-78-67136-142-6-23-9
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.7-12.3-16.5-17.7-0.5-21.4-15.5-60.4-15.4-13.80.39.6-4.20.7-2.0-8.0-3.6

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value27155132137341351103412111031-143320152519
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.425.721.922.16.024.720.36.523.922.56.8-3.89.36.24.78.67.2

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value111901081251028593108893870856952566746444456462552574643455344434251403838483636343733
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.914.918.020.317.815.617.118.716.67.614.316.814.911.812.614.411.011.110.913.812.27.413.614.712.912.213.515.313.513.613.615.312.612.412.815.312.512.812.913.212.3

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value11190108125102859310889708569566746445646525746455344425140384836343733
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.915.018.020.317.815.617.118.716.614.316.814.912.614.411.010.913.812.213.614.712.913.515.313.513.615.312.612.815.312.512.913.212.3

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value122100-1
Percentage of ProfitLoss1.02.31.71.10.1-0.4-1.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.40.30.20.0-0.1-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value29000.01000.0-5000.028000.0-37000.0-11000.025000.0
Percentage of ProfitLoss0.00.0-0.00.0-0.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-0.00.0-0.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1111081251029310889
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.918.020.317.817.118.716.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value23222221212020202018161313121111
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-31
Value64-198-349-18252382710
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value14013814-11085-110-288012
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value-49-95-37-34-38-39-54260-24-41-29-160-12-16-7-6-8
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.9-15.8-6.2-5.5-6.6-7.3-9.948.4-4.8-8.4-6.3-42.0-3.5-5.1-2.3-2.2-3.2

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value49453733383331232321231119998
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value16-74-99-109-2-117-84-324-78-67136-142-6-23-9
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.7-12.3-16.5-17.7-0.5-21.4-15.5-60.4-15.4-13.80.39.6-4.20.7-2.0-8.0-3.6

Proceeds From Issuance Of Long Term Debt

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value182140852054105738363531337063273957
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentInterestRateStatedPercentage

idxx:MetLife2030SeriesDNotes, us-gaap:SeniorNotes, us-gaap:SubsequentEvent



Period End2020-04-02
Value0.025
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations idxx:MetLife2030SeriesDNotes us-gaap:SeniorNotes us-gaap:SubsequentEvent0.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value0.182-0.00400000000000000360.180.1950.1770.00699999999999997850.1450.2090.1430.2340.2550.1850.3080.3060.3060.3180.3020.3040.2350.2910.3120.2910.3080.2620.3140.3190.3170.3080.3140.3120.2950.315
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value71696666554443333
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-31
Value7880788180830
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.00.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value8190103110116123146174159187169165160154
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:OtherComprehensiveIncomeLossCashFlowHedgeAndNetInvestmentHedgeGainLossAfterReclassificationAndTax



Period End2020-03-312019-03-31
Value121
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeAndNetInvestmentHedgeGainLossAfterReclassificationAndTax100.0100.0

idxx:OtherComprehensiveIncomeLossNetInvestmentHedgeCrossCurrencySwapsGainLossBeforeReclassificationAfterTax



Period End2020-03-312019-03-31
Value41
Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeCrossCurrencySwapsGainLossBeforeReclassificationAfterTax100.0100.0

idxx:OtherComprehensiveIncomeLossNetInvestmentHedgeCrossCurrencySwapsGainLossBeforeReclassificationTax



Period End2020-03-312019-03-31
Value869000.0307000.0
Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeCrossCurrencySwapsGainLossBeforeReclassificationTax100.0100.0

idxx:OtherComprehensiveIncomeLossNetInvestmentHedgeEuroDenominatedNotesGainLossAfterReclassificationAndTax



Period End2020-03-312019-03-31
Value11
Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeEuroDenominatedNotesGainLossAfterReclassificationAndTax100.0100.0

idxx:OtherComprehensiveIncomeLossNetInvestmentHedgeEuroDenominatedNotesGainLossAfterReclassificationTax



Period End2020-03-312019-03-31
Value330000.0466000.0
Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeEuroDenominatedNotesGainLossAfterReclassificationTax100.0100.0

idxx:TreasuryStockAcquiredAverageCostPerShareEmployeeSurrenders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value288.780.9000000000000057286.65249.77206.350.5253.34215.36178.83155.14168.25141.09112.9188.1867.96
Percentage of TreasuryStockAcquiredAverageCostPerShareEmployeeSurrenders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:TreasuryStockAcquiredAverageCostPerShareOpenMarketRepurchase



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value249.28.280000000000001275.5235.94201.411.329999999999984242.78204.69185.23161.57163.96130.12107.3886.4570.21
Percentage of TreasuryStockAcquiredAverageCostPerShareOpenMarketRepurchase100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:TreasuryStockSharesAcquiredNetOfTaxWithholdings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value000000000000000111
Percentage of TreasuryStockSharesAcquiredNetOfTaxWithholdings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

idxx:TreasuryStockValueAcquiredCostMethodNetOfTaxWithholdings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value179138912053103731058650114501523498593133
Percentage of TreasuryStockValueAcquiredCostMethodNetOfTaxWithholdings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-03-312013-03-312012-03-312011-03-31
Value8000700080070030045444
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7966665
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

idxx:DeferredStockUnits



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value46000.046000.043000.068000.069000.062000.043000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.60.50.61.11.01.00.7

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7966665
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue99.499.599.498.999.099.099.3

us-gaap:AllocatedShareBasedCompensationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value716966666666
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-03-312012-09-30
Value000000000001000000000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockCompensationPlan



Period End2020-03-312019-03-31
Value34000.01000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount17.30.2

us-gaap:CapitalExpendituresIncurredButNotYetPaid



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value14572970
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-31
Value-8-13-6-5-7-23-27-281835
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

idxx:ExtendedWarrantiesAndPostContractSupport



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value132231222
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0

idxx:InstrumentRebatePrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4444444
Percentage of ContractWithCustomerLiabilityRevenueRecognized32.1168.0157.1153.338.6195.7187.5

us-gaap:DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value36313401311127012401221220021611150221
Percentage of DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value23-103-114312001020
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-41-200-10-51
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:GainLossOnComponentsExcludedFromAssessmentOfInterestRateCashFlowHedgeEffectiveness

us-gaap:CrossCurrencyInterestRateContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value700000.0700000.0600000.0600000.0500000.0400000.0400000.0
Percentage of GainLossOnComponentsExcludedFromAssessmentOfInterestRateCashFlowHedgeEffectiveness100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1361081321561241071091371049211484819666648166688067647860627559557053495448
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesPaid



Period End2020-03-312019-03-31
Value128
Percentage of IncomeTaxesPaid100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableTrade



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value-105-401-1-1-3-1-413305
Percentage of IncreaseDecreaseInAccountsPayableTrade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value38-1-13433-140211921512123171417
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-2-1-3-3-3-1-3-1-11
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value10111011111110000000000011111111
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndOtherIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value00000000011100000000000000000
Percentage of InterestAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseNonoperatingNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value-7-7-7-8-8-8-8-8-8-8-7-7-6-7-7-7-6-5-3-2-2-10000000000
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value46544333
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense



Period End2020-03-312019-09-302019-06-302019-03-31
Value5555
Percentage of OperatingLeaseExpense100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value-89000.0-9000.0-21000.0-14000.0128000.0-101000.012000.09000.040000.012000.049000.0-26000.019000.045000.070000.0-60000.012000.019000.0-23000.036000.0-32000.051000.0-9000.042000.033000.0-32000.065000.0-145000.0-7000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-71-21210-80
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

idxx:AccumulatedNetGainLossFromCrossCurrencySwaps



Period End2020-03-312019-03-31
Value41
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-50.848.7

idxx:AccumulatedNetGainLossFromNetInvestmentHedgesEuroDenominatedNotesAttributabletoParent



Period End2020-03-312019-03-31
Value11
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-13.150.4

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9-9802418-2
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-118.4-529.5-339.1-31.384.2292.0363.8-92.8-351.7

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-279000.0-28000.0-67000.0-45000.0407000.0-322000.037000.032000.0118000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax3.5-1.62.7-2.813.9-20.97.8-0.417.4

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2210-133-1-3-1-215
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax278.9608.8556.7196.1-48.4-242.3-388.4244.0760.7

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9-9802418-2-1-3
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2-110010200-1
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value12221100-100
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:ForeignExchangeContract, us-gaap:CostOfSales



Period End2020-03-312019-03-31
Value11
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value03000000000
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value-90-40100-82304024-151-15-13005-1-45-104-76
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-9-4010-82
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-03-31
Value-279000.0-28000.0-67000.0-45000.0407000.0-322000.037000.032000.0118000.023000.0125000.0-39000.09000.0120000.0205000.0-88000.0-26000.033000.0-37000.059000.0-54000.086000.0-16000.072000.056000.0-56000.0111000.055000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-31
Value00000-101000
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value00010001000
Percentage of PaymentForContingentConsiderationLiabilityFinancingActivities0.0100.0100.0100.0100.00.0100.0100.00.00.00.0

us-gaap:PaymentsOfDebtIssuanceCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-03-31
Value0.00.012000.0112000.030000.00.00.00.00.057000.090000.0
Percentage of PaymentsOfDebtIssuanceCosts0.00.0100.0100.0100.00.00.00.00.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-31
Value8000700873
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireIntangibleAssets



Period End2020-03-312019-12-312019-03-312018-12-312017-12-312014-03-312013-03-312012-03-31
Value00062000
Percentage of PaymentsToAcquireIntangibleAssets100.00.00.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00001000000
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt0.00.00.00.0100.00.00.00.00.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value1079811312141251210125126
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfOtherDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value19859-22-95-52-15-22-24760490384811-238
Percentage of ProceedsFromRepaymentsOfOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:PropertyPlantAndEquipmentTransfersAndChanges

idxx:OperatingtypeReagentRentalPrograms



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2532644
Percentage of PropertyPlantAndEquipmentTransfersAndChanges100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses



Period End2020-03-312019-03-31
Value40
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-03-312014-03-31
Value12221100-1020
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value12221100-1
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value0.0150.0-0.00100000000000000090.00.0250.00.00.0270.020.0120.0150.0150.0090.0080.024
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.00.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value0.270.00.00.00.260.00.00.240.260.250.230.280.330.340.33
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value84.210.54000000000000631.05999999999999520.3800000000000025663.550.00.052.4940.5117.5439.9935.9426.5826.3624.99
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-03-312013-03-312012-03-312011-03-31
Value30000.01000.01000.01000.036000.02000.01000.01000.048000.02000.01000.052000.02000.02000.052000.02000.02000.030625.040537.045181.048574.051407.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

us-gaap:CommonStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value203000.0116000.0133000.0258000.0195000.0171000.0401000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensationGross100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value9971112714
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value9981112914
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross99.8100.0107.199.899.9124.9101.6

us-gaap:CommonStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value20000.011000.013000.026000.019000.017000.040000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross0.20.10.20.20.10.20.3

us-gaap:TreasuryStockAcquiredAverageCostPerShare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value250.778.75275.53236.04202.01.539999999999992242.83204.71184.63161.52163.97131.41107.4686.4670.0670.8966.07155.58123.98129.77122.0495.5286.3792.8293.7685.8482.8576.2777.0874.2158.9861.66
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value00000000000000011020001000000000
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1879120611037310594501145815235385931332721267076142633627276758393325
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1879120617310594
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.099.899.999.5

us-gaap:TreasuryStockValueAcquiredParValueMethod



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1889120617310594
Percentage of TreasuryStockValueAcquiredParValueMethod100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablesPeriodPastDue

idxx:AccountsReceivablePercentPastDue

idxx:FinancialAssetGreaterThan60DaysPastDue



Period End2020-03-312019-12-31
Value0.0130.015
Percentage of AccountsReceivablePercentPastDue100.0100.0

idxx:ContractwithCustomerAssetAndSalesTypeLeaseNetInvestmentInLeaseAllowanceforCreditLoss



Period End2020-03-31
Value2
Percentage of ContractwithCustomerAssetAndSalesTypeLeaseNetInvestmentInLeaseAllowanceforCreditLoss100.0

us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201613



Period End2020-01-01
Value2
Percentage of ContractwithCustomerAssetAndSalesTypeLeaseNetInvestmentInLeaseAllowanceforCreditLoss0.0

us-gaap:AccruedIncomeTaxesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value6867636467666367676618
Percentage of AccruedIncomeTaxesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24732227825622913260238228210254253220210174236202188178205203190177195167147134148134123118137134128126141136121107118104
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedMarketingCostsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value60636361595956555448494644444345444036323126252626252629313031302922
Percentage of AccruedMarketingCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12301213118911701155113811281109109410731060104610301011994972952940931921912888866856847825798787779757742726716702694680665641580
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable



Period End2020-03-312019-12-31
Value73
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0

us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201613



Period End2020-01-01
Value200000.0
Percentage of AllowanceForDoubtfulAccountsReceivable0.0

us-gaap:AssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value116411521048101198383883840780767741726718693685672668669653643644622624588581579577570549538534522512516506458457444436432
Percentage of AssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:CapitalizedContractCostGross

idxx:UpFrontCustomerLoyaltyPrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-01
Value138137131126125124119118113107
Percentage of CapitalizedContractCostGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostNet



Period End2020-03-312019-12-312018-12-31
Value161513
Percentage of CapitalizedContractCostNet100.0100.0100.0

us-gaap:CapitalizedContractCostNetCurrent



Period End2020-03-312019-12-312018-12-31
Value554
Percentage of CapitalizedContractCostNetCurrent100.0100.0100.0

us-gaap:CapitalizedContractCostNetNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-01-012017-12-31
Value1010109998110
Percentage of CapitalizedContractCostNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value0081232
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value0081232
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:CommonStockOtherSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value01430000000000000000000000000000000
Percentage of CommonStockOtherSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockOtherValueOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value4444444455555555555555555555444444
Percentage of CommonStockOtherValueOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:ContractWithCustomerAssetNet

idxx:VolumeCommitmentPrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-01
Value8783706049402921125
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value18171513119760
Percentage of ContractWithCustomerAssetNetCurrent100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ContractWithCustomerAssetNetNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value69665547373121140
Percentage of ContractWithCustomerAssetNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProductOrService

us-gaap:ContractWithCustomerLiability

idxx:ExtendedWarrantiesAndPostContractSupport



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-01-01
Value3638373840404140
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0

idxx:InstrumentRebatePrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-01-01
Value4649505255575865
Percentage of ContractWithCustomerLiability127.0129.2132.5135.2136.8141.0142.8163.5

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3841424343414129
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4948485255606235
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption



Period End2020-01-012018-01-012017-12-31
Value-1-12-12
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption100.0100.0100.0

us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents

us-gaap:AccountingStandardsUpdate201613, us-gaap:RetainedEarnings



Period End2020-01-01
Value-1
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption98.4

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-01-012018-01-012017-12-31
Value-1-12-12
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

idxx:A2025SeriesCNotes, us-gaap:SeniorNotes



Period End2020-03-312019-12-312015-12-31
Value888888
Percentage of DebtInstrumentFaceAmount100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

idxx:MetLife2030SeriesDNotes, us-gaap:SeniorNotes, us-gaap:SubsequentEvent



Period End2020-04-02
Value125
Percentage of DebtInstrumentFaceAmount0.0

idxx:Prudential2030SeriesDNotes, us-gaap:SeniorNotes, us-gaap:SubsequentEvent



Period End2020-04-14
Value75
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DeferredCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value9898939089898786836462595450464545434136322823232021202121212223232116135
Percentage of DeferredCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCostsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value393937363534323230232220191817161616151412118
Percentage of DeferredCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value78888888977655
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-01-012017-12-31
Value383333323229392525
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HedgingDesignation

us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value194157109540481203610
Percentage of DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HedgingDesignation

us-gaap:DerivativeAssetNotOffsetPolicyElectionDeduction

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value01000000000110221111
Percentage of DerivativeAssetNotOffsetPolicyElectionDeduction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:DerivativeAssets

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CrossCurrencyInterestRateContract



Period End2020-03-312019-12-312018-09-302018-06-30
Value9400
Percentage of DerivativeAssets100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForeignExchangeContract



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value91540
Percentage of DerivativeAssets97.639.33924.31420.10.0

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:CrossCurrencyInterestRateContract



Period End2020-03-312019-12-312018-09-302018-06-30
Value9400
Percentage of DerivativeAssets100.0100.0100.0100.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:ForeignExchangeContract



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value91540
Percentage of DerivativeAssets97.639.33924.31420.10.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:OtherCurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312018-12-31
Value818
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0

us-gaap:OtherNoncurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-31
Value10
Percentage of DerivativeFairValueOfDerivativeAsset15.50.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:OtherNoncurrentAssets, us-gaap:CrossCurrencyInterestRateContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value947231
Percentage of DerivativeFairValueOfDerivativeAsset118.4254.60.00.00.021.9

us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312013-09-302013-06-302012-12-312011-12-312011-09-302011-06-30
Value1961581090848101812272662
Percentage of DerivativeFairValueOfDerivativeAsset234.0354.60.00.00.0121.90.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:AccruedLiabilities, us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312018-12-31
Value020
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:LongTermDebt, idxx:ForeignCurrencyBorrowingsDesignatedAsNetInvestmentHedgeOnBalanceSheet, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-31
Value989997101991011021031069397
Percentage of DerivativeFairValueOfDerivativeLiability251397.43445.00.00.00.016878.40.00.00.00.00.0

us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-31
Value020016112
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.00.00.00.00.00.00.0

us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312015-03-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value981029710199102103104113949822442345323373
Percentage of DerivativeFairValueOfDerivativeLiability251497.43545.00.00.00.016978.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilities

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForeignExchangeContract



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value02016
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:ForeignExchangeContract



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value02016
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0

us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-31
Value98100971019910110310411294971
Percentage of DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-31
Value010000000011
Percentage of DerivativeLiabilityNotOffsetPolicyElectionDeduction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeNotionalAmount



Period End2020-03-312019-12-312019-09-302018-12-31
Value202210176190
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value71127988660109877959102797249917464467772535075705448625742395350403851493947
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable



Period End2020-03-312019-12-312019-09-302018-12-312015-09-302015-06-302015-03-312014-12-31
Value1520201410121928
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivableNoncurrent



Period End2020-03-312019-12-312019-09-302018-12-31
Value14141419
Percentage of IncomeTaxesReceivableNoncurrent100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value148133144139136124128125125113126122125115122128132138141133126116113105101951051001069799979289948987
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value42413938323133343432322828273031323132302826262423232425262630303328283026
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value20202019201717161817181918141615191818201816161416141514151616151514141413
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility, us-gaap:SubsequentEventType

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:RevolvingCreditFacility, us-gaap:SubsequentEvent



Period End2020-04-14
Value1000
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

us-gaap:LineOfCreditFacility

idxx:MetLife



Period End2020-03-232020-03-22
Value300150
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.00.0

us-gaap:LineOfCreditFacility, us-gaap:SubsequentEventType

idxx:Prudential, us-gaap:SubsequentEvent



Period End2020-04-10
Value425
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.0

us-gaap:LinesOfCreditCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value486288229251346398414437407655686704671611488558622573542498549549375384315277397367260212232244254243154132126128118
Percentage of LinesOfCreditCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtFairValue

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value698699697701699601602603606
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value790753751748717607601608632
Percentage of LongTermDebtFairValue113.3107.7107.8106.7102.5100.999.8100.7104.2

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value15151415130
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-31
Value6567666968680
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherAccruedLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value131313141518181517169
Percentage of OtherAccruedLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:OtherAssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, idxx:EquityMutualFunds



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value11122
Percentage of OtherAssetsFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, idxx:EquityMutualFunds



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value11122
Percentage of OtherAssetsFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneousCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1710141213151211813121315191068661012135
Percentage of OtherAssetsMiscellaneousCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneousNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value34282938423935222136353535423532332931323132252225222222191819202014141312
Percentage of OtherAssetsMiscellaneousNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:OtherLiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, idxx:DeferredCompensation



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value11122
Percentage of OtherLiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, idxx:DeferredCompensation



Period End2020-03-312019-12-312018-09-302018-06-302017-12-31
Value11122
Percentage of OtherLiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3231322831303127282828262525232623273030363220
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseOtherNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1313131211101011109991010111112121212111011111213109101010111112121212
Percentage of PrepaidExpenseOtherNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:RevenueRemainingPerformanceObligation

idxx:ExtendedWarrantiesAndPostContractSupport



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value23242425262728
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0100.0

idxx:ReagentRentalPrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value28313033384954
Percentage of RevenueRemainingPerformanceObligation124.7129.5127.2131.2142.7179.1195.7

idxx:UpFrontCustomerLoyaltyProgramsAndVolumeCommitmentPrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1900190016001500140013001100
Percentage of RevenueRemainingPerformanceObligation8225.17786.96584.45859.45243.44693.13928.6

us-gaap:ProductOrService

us-gaap:RevenueRemainingPerformanceObligationPercentage

idxx:ExtendedWarrantiesAndPostContractSupport



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.290.370.090.180.240.30.07
Percentage of RevenueRemainingPerformanceObligationPercentage100.0100.0100.0100.0100.0100.0100.0

idxx:InstrumentRebatePrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.270.330.090.170.240.320.08
Percentage of RevenueRemainingPerformanceObligationPercentage93.189.2100.094.4100.0106.7114.3

idxx:ReagentRentalPrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.30.390.110.210.30.360.09
Percentage of RevenueRemainingPerformanceObligationPercentage103.4105.4122.2116.7125.0120.0128.6

idxx:UpFrontCustomerLoyaltyProgramsAndVolumeCommitmentPrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.190.250.070.130.20.260.07
Percentage of RevenueRemainingPerformanceObligationPercentage65.567.677.872.283.386.7100.0

us-gaap:SalesTypeLeaseLeaseReceivable



Period End2020-03-312019-12-31
Value77
Percentage of SalesTypeLeaseLeaseReceivable100.0100.0

us-gaap:SecuredLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6976986967006996016026036096066046005945935995976005975995985003503501501501500011122222334
Percentage of SecuredLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharePrice



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value288.78218.66213.35208.25206.94179.56179.56179.56178.26142.89142.89142.66141.669.0768.9468.9467.8578.08
Percentage of SharePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value10817720217151-9-1-40-48-58-53-48-86-73-10854-8-73-83-38834117229452512518534549631636617589566539585608596574514438438
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

idxx:AccumulatedNetGainLossFromCrossCurrencySwaps



Period End2020-03-312019-12-312019-03-312018-12-312017-12-31
Value73210
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest7.01.95.4-14.7-0.0

idxx:AccumulatedNetGainLossFromNetInvestmentHedgesEuroDenominatedNotesAttributabletoParent



Period End2020-03-312019-12-312019-03-312018-12-312017-12-31
Value2110-4
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest2.30.82.14.38.0

idxx:DeferredStockUnits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value4444444455555544443
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest4.22.52.22.68.9-49.0-326.9-10.8-11.8-11.1-5.1-6.44.31.00.70.90.80.80.8

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value701268742-6-54
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest7.0-0.46.03.617.2-82.2-310.4-6.412.39.7-4.5

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-169000.0110000.0138000.0205000.0250000.0-157000.0165000.0128000.096000.0-22000.020000.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.20.10.10.10.51.7-12.1-0.3-0.20.0-0.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-55-46-45-40-40-41-42-42-34-36-43-42-81315151310522
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-51.1-26.0-22.5-23.7-77.1452.63095.2104.269.867.739.850.3-6.92.62.52.92.32.01.35.2

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-72-50-61-47-50-48-45-43-21-26-52
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-67.2-28.4-30.1-27.5-96.9528.93308.1105.944.450.048.1

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value12301213118911701155113811281109109410731011940888825757702641580547514
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1138.8682.4586.8682.62228.4-12327.7-82794.1-2715.3-2233.8-1994.6-935.1-1119.7755.4159.3119.0130.2111.7112.9125.0117.3

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value10101010101010101010101010101099999
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest9.85.95.26.120.3-113.8-770.7-25.7-21.4-19.4-9.5-12.28.72.01.61.81.71.92.22.2

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value381000.0352000.0304000.0303000.0308000.0280000.0241000.0278000.0289000.0264000.0139000.0130000.073000.028000.034000.014000.046000.010000.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.40.20.10.20.6-3.0-17.7-0.7-0.6-0.5-0.1-0.20.10.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value17051595150513961270116710829898808035403181675149313051127965824702585
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1578.5897.3742.5813.92449.6-12649.5-79405.0-2421.2-1797.3-1492.4-499.4-379.01424.7288.2205.2208.9168.1160.2160.2133.7

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-2788-2600-2461-2370-2350-2288-2185-2111-2005-1911-1633-1316-2453-1829-1457-1320-1060-914-830-696
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2580.5-1462.4-1214.3-1381.7-4530.624790.4160319.35169.44095.03550.31509.51567.3-2086.3-353.0-229.0-244.7-184.7-177.8-189.5-158.9

us-gaap:TreasuryStockShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2020191919118181717161615151313131210955545351504948484645454444444242414038
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical


us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService


us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:ProfitLoss us-gaap:StatementEquityComponents


us-gaap:ProfitLoss us-gaap:StatementEquityComponents