LH


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:GrossProfit

us-gaap:IncomeTaxesPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OperatingIncomeLoss
us-gaap:BusinessAcquisition

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:Revenues
us-gaap:BusinessAcquisition
us-gaap:StatementGeographical

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryFinishedGoods

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill
lh:ScheduleOfOtherIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:NotesPayableCurrent

us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:BalanceSheetLocation

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebtNoncurrent
us-gaap:LongtermDebtType

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation
us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapitalCommonStock
us-gaap:StatementEquityComponents

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

lh:AllowanceforCreditLossWriteOff
us-gaap:BalanceSheetLocation

lh:CARESActProviderReliefFunding

lh:CashPaymentReceivedAppropriatedbyU.S.CongressCovid19
us-gaap:StatementClassOfStock
lh:CommonsStockIssuedDuringPeriodSharesEmployeeStockPlans

lh:Contingentconsiderationadjustment

lh:CostMethodInvestmentsMaximumOwnershipPercentage

lh:CreditLossExpenseReversal

lh:CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings
us-gaap:BalanceSheetLocation

lh:DecreaseinCapitalExpendituresIncurredbutnotyetPaid

lh:DefinedContributionPlanTotalExpense

lh:DepreciationAndAmortizationOfLeasedAssets

lh:DiscretionaryContributionPercentageMaximum

lh:DiscretionaryContributionPercentageMinimum
us-gaap:StatementBusinessSegments
lh:Impairmentoffloatingratenotereceivable

lh:IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest

lh:IncreaseDecreaseinUnbilledContractReceivable

lh:InterestPaidInCash

lh:Issuanceofcommonstockunderemployeeplans
us-gaap:StatementEquityComponents
us-gaap:RetirementPlanType
lh:NetDefinedBenefitPlanAmortizationAndDeferral

lh:NetProceedsFromIssuanceOfStockToEmployees

lh:NonElectiveContribution

lh:NoteReceivableCreditLossExpenseReversal

lh:OtherFinancingCashFlows

lh:PercentofRevenueContributed

lh:RestructuringImpairment
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

lh:RestructuringReserveSettledWithCashAndOtherAdjustment
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

lh:SeveranceReserveAdjustments

lh:UnbilledServicesCreditLossExpenseReversal

lh:Unusedfacilityrestructuringreserves
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:AdjustmentForAmortization

us-gaap:AmortizationOfDeferredSalesCommissions

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:BusinessExitCosts1

us-gaap:CapitalizedContractCostAmortization

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

us-gaap:DeferredRevenueRevenueRecognized1
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:BusinessAcquisition
us-gaap:DefinedContributionPlanCostRecognized

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss

us-gaap:FinitelivedIntangibleAssetsAcquired1
us-gaap:BusinessAcquisition

us-gaap:GoodwillAcquiredDuringPeriod
us-gaap:StatementBusinessSegments

us-gaap:GoodwillImpairmentLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments
us-gaap:StatementBusinessSegments
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromSaleOfEquityMethodInvestments

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfSeniorDebt

us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:RestructuringReserveAccrualAdjustment1
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:SeveranceCosts1

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents

dei:EntityCommonStockSharesOutstanding

lh:A2.30seniornotesdue2024

lh:A2.95seniornotesdue2029

lh:A2019TermLoan
us-gaap:ShortTermDebtType

lh:A2021SeniorNotes

lh:A4.625Seniornotesdue2020

lh:AHStransfertoCanadianJV

lh:AccountsreceivablefromOntariogovernmentsponsoredhealthcareplan

lh:AccruedTaxInterestAddedfromAcquisition

lh:AllowanceforCreditLoss

lh:CARESActFundsAccruedLiabilitiesAndOtherLiabilities

lh:CanadianLicensesAlbertaCanada

lh:CommonStockRepurchaseAuthorizationOutstanding

lh:ConcentrationRiskAccountsReceivableMedicareAndMedicaid
us-gaap:CreditFacility
lh:CreditFacilityMaximumLettersofCredit
us-gaap:CreditFacility
lh:CreditFacilityOptiontoIncrease

lh:CurrentDebtExcludingFinanceLeaseLiability

lh:DeferredIncomeTaxesAndOtherTaxLiabilities

lh:DeferredTaxAssetRightOfUseAsset
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
lh:DefinedBenefitPlanActualAssetAllocation
us-gaap:RetirementPlanType
lh:DefinedBenefitPlanAssumptionsUsedExpectedLongTermReturnOnAssets

lh:EmployeeStockPurchasePlanNumberOfAuthorizedShares

lh:FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensationLiability
us-gaap:FairValueByFairValueHierarchyLevel

lh:FairValueLiabilitiesMeasuredOnRecurringBasisNoncontrollingInterestPuts
us-gaap:FairValueByFairValueHierarchyLevel

lh:FederalTaxLossCarryovers

lh:FederalandStateAttributeCarryforwards

lh:ForeignTaxLossCarryovers

lh:ForeignTaxLossCarryoversExpirein2034

lh:IncomeTaxBenefitMinimumCertaintyPercentage

lh:LongTermDebtExcludingDebtIssuanceCosts

lh:Longtermdebtfutureminimumpaymentsinterestincludedinpayments

lh:Longtermdebtissuancecosts

lh:NoncontrollingInterestMezzanineEquity

lh:NoteReceivableAllowanceforCreditLoss

lh:OtherLiabilitiesNoncurrentOther

lh:Percentofgrossaccountsreceivableduefrompatients

lh:Percentofremainingperformanceobligationsrecognizedasrevenueinnextyear

lh:SeniorNotesFairValue

lh:Seniornotesdue2024

lh:Seniornotesdue2027

lh:Shorttermdebtissuancecosts

lh:TotalShortandLongTermDebtIssuanceCosts

lh:UnbilledServicesAllowanceforCreditLoss

lh:ValueofCommonStockRepurchased
us-gaap:StatementBusinessSegments
lh:ValueofReportingUnitsGoodwillFairValueExceedsCarryingValue

us-gaap:AccountsReceivableBilledForLongTermContractsOrPrograms
us-gaap:StatementBusinessSegments
us-gaap:AccountsReceivableGross

us-gaap:AccruedSalesCommissionCurrentAndNoncurrent

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AmountOfDeferredCostsRelatedToLongTermContracts

us-gaap:AvailableForSaleSecuritiesEquitySecuritiesCurrent
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:CapitalizedContractCostNet

us-gaap:CashSurrenderValueFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CashUninsuredAmount

us-gaap:ContingentConsiderationClassifiedAsEquityFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:ContractWithCustomerAssetGross

us-gaap:ContractWithCustomerLiability
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:LineOfCreditFacility
us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxesAndOtherAssetsCurrent

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:BalanceSheetLocation
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:BalanceSheetLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:Range, us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestments
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueHedgeAssetsAtFairValue

us-gaap:FairValueHedgeLiabilitiesAtFairValue
us-gaap:DerivativeInstrumentRisk

us-gaap:FairValueHedgesAtFairValueNet
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
lh:ScheduleOfOtherIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:ForeignCurrencyContractAssetFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
lh:MaturityDate
us-gaap:ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet

us-gaap:IntangibleAssetsGrossExcludingGoodwill
lh:ScheduleOfOtherIntangibleAssetsByMajorClass

us-gaap:InventoryValuationReserves
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermNotesPayable

us-gaap:NotesPayable
us-gaap:BusinessAcquisition
us-gaap:NotesReceivableFairValueDisclosure

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OtherInventorySupplies

us-gaap:PrepaidExpenseCurrent

us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:RestructuringReserveCurrent

us-gaap:RestructuringReserveNoncurrent

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:LongtermDebtType
us-gaap:SeniorLongTermNotes
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased

us-gaap:UnbilledContractsReceivable
us-gaap:StatementBusinessSegments

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItem

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Balance Sheet
Operating Lease Liability Noncurrent
Assets
Inventory Net
Current Assets
Inventory Net
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Liabilities Current
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Accounts Receivable
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Common Stock Shares Outstanding
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
InventoryNet
Inventory Finished Goods

Tables

  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▇▇▇██████████████▄▄▄▄▄▅▅▆▆▆▆▇▇▇███9.09.09.09.09.09.09.111.611.711.912.012.012.012.012.012.112.112.112.112.012.012.012.012.010.410.410.410.410.510.711.011.211.311.411.511.611.711.912.112.012.2NANANA12.5NANANA
us-gaap:CommonStockSharesIssued 97.5NANANA97.2NANANA122.4NANANA125.1NANANA125.6125.7125.1124.7123.9123.7123.3123.0107.1107.4107.4107.3108.1110.1112.9115.2115.8117.2118.1119.4120.0121.9123.6122.4124.5NANANA127.4NANANA
us-gaap:CommonStockSharesOutstanding ▆▆▆▆▆▆▆▆▇▇██████████▇▇▇▇▁▁▁▁▁▂▃▄▄▅▅▆▆▇▇▇█97.597.497.397.197.297.497.898.798.9101.4102.0102.1101.9102.1102.0102.6102.7102.8102.2102.1101.3101.2100.8100.584.684.984.984.885.787.890.592.893.594.995.897.197.899.7101.4100.2102.4NANANA105.3NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding NA98.197.797.2NA98.398.899.5NA102.7103.0103.4NA103.7103.7104.3NA104.9103.9103.6NA102.9102.593.8NA86.586.386.6NA90.993.794.5NA96.898.099.1NA102.2102.8103.2NA104.1105.4106.5NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic NA97.497.397.2NA97.698.198.6NA101.6101.9101.9NA102.2102.4102.5NA102.9102.2101.6NA101.1100.791.9NA84.984.785.2NA89.292.092.9NA95.196.397.2NA100.6100.6100.3NA102.1103.5104.6NANANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA0.20.81.3NA0.20.20.3NA0.10.10.1NA0.10.10.1NA0.00.00.3NA0.00.10.0NA0.00.00.0NA0.00.33.0NA3.12.21.4NA1.51.40.9NANANANANANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 Operating Margin us-gaap:BusinessAcquisition lh:OtheracquireesNA13.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 TTM Greenblatt ROC _ _█▇▃▁▃▄▃▃▃▄▄▃▃▄▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃1293.21047.1297.7-192.6336.4339.9335.7318.2307.7343.4369.2305.4330.6341.3336.0332.7323.4324.0366.9301.9243.4306.9321.3130.2219.0241.4246.7203.3215.0244.6269.3262.0215.3245.1276.0287.1247.5239.4225.7235.8238.8NANANANANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:ComprehensiveIncomeNetOfTax █▇▄▁▅▄▄▄▄▅▄▄▆▄▅▄▃▄▄▄▃▃▄▃▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄1091.0837.8300.5-462.7356.9130.4218.0209.2102.6318.0108.0225.7713.6222.4331.4246.2-99.1158.899.1269.3-4.284.0194.7-119.968.8119.0154.392.4140.4163.7134.8131.6120.0168.2142.8176.0110.895.1127.6143.2142.1159.2134.5149.4NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest █▇▄▁▅▄▄▄▄▅▄▄▆▄▅▄▃▄▄▄▃▃▄▃▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄1091.3838.1300.5-462.4357.1130.7218.3209.5102.9318.2108.3225.0716.0225.2331.7246.5-98.9159.199.4269.6-4.084.3195.0-119.669.1119.3154.792.8140.8164.1135.2132.0120.4168.6143.3176.4113.698.4131.4146.7NANANANANANANANA
us-gaap:GrossProfit █▆▂▂▃▃▃▃▂▃▃▂▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▂▁▁▁▂▁▁▁▁▁▁▁▁▁1904.91559.4760.5728.0820.7817.3824.8789.7772.4789.9835.1779.0915.8882.8861.8803.6788.0788.4826.8777.3740.7762.9774.6596.0546.5571.2568.6516.8526.1547.6577.3572.2538.0556.1579.5576.1549.6568.5588.2568.4529.6527.7533.6506.9476.0498.1507.4489.4
us-gaap:IncomeTaxesPaidNet █▆▁▁▂▃▄▁▄▃▄▂▃▄▄▁▃▃▄▂▃▃▃▂▃▄▄▁▃▃▅▁▃▃▅▁▃▃▅▁▃▄▅▁282.5202.49.35.835.262.0121.8-2.2114.786.4124.024.684.3135.8116.811.184.896.0132.032.973.485.467.523.173.0100.0102.58.673.463.8153.211.173.668.9155.38.484.077.0140.97.589.8109.5145.110.6NANANANA
us-gaap:NetIncomeLoss █▇▄▁▄▄▄▄▄▅▄▄▇▄▄▄▄▄▄▄▃▄▄▃▃▄▄▃▃▄▄▄▃▄▄▄▄▄▃▃▄▄▄▄▄▄▄▄938.3703.4231.6-317.2227.1220.7190.4185.6157.9318.8233.8173.2706.8180.6188.6192.2184.4179.5198.2160.2114.2152.8168.40.7119.6137.2141.3113.1126.4148.3151.9147.2120.2148.0153.3161.6135.4134.3122.9127.1131.8140.0153.7132.7142.7131.4136.4132.8
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted █▇▄▁▄▄▄▄▄▅▄▄▇▄▄▄▄▄▄▄▃▄▄▃▃▄▄▃▃▄▄▄▃▄▄▄▄▄▃▃▄▄▄▄938.3703.4231.6-317.2227.1220.7190.4185.6157.9318.8233.8173.2706.8180.6184.8192.2184.4179.5198.2160.2114.3152.8168.40.7119.6137.2141.3113.1126.3148.3151.9147.2120.2148.0153.3161.6135.4134.3122.9127.1131.8140.0153.7132.7NANANANA
us-gaap:OperatingIncomeLoss █▇▃▁▃▄▃▃▃▄▄▃▃▄▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃1293.21047.1297.7-192.6336.4339.9335.7318.2307.7343.4369.2305.4330.6341.3336.0332.7323.4324.0366.9301.9243.4306.9321.3130.2219.0241.4246.7203.3215.0244.6269.3262.0215.3245.1276.0287.1247.5239.4225.7235.8238.8235.3270.5234.2NANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ██▇▃█▄▆▆▅▆▄▆▆▆█▆▁▅▄▇▄▄▆▄▅▅▆▅▆▆▅▅▆▆▅▆152.7134.468.9-145.5129.8-90.327.623.6-55.3-0.8-125.852.56.841.8142.854.0-283.5-20.7-99.1109.1-118.5-68.826.3-120.6-50.8-18.213.0-20.714.115.4-17.1-15.6-0.220.2-10.514.4NANANANANANANANANANANANA
us-gaap:ProfitLoss █▇▄▁▄▄▄▄▄▅▄▄▇▄▄▄▄▄▄▄▃▄▄▃▃▄▄▃▃▄▄▄▃▄▄▄▄▄▃▃▄▄▄▄938.6703.7231.6-316.9227.3221.0190.7185.9158.2319.0234.1172.5709.2183.4188.9192.5184.6179.8198.5160.5114.5153.1168.71.0119.9137.5141.7113.5126.7148.7152.3147.6120.6148.4153.8162.0138.2137.6126.7130.6135.1143.1157.2136.2NANANANA
us-gaap:Revenues █▇▄▅▅▅▅▄▄▅▅▅▄▄▄▄▄▄▄▄▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▁▁▁▁▁▁▁4489.83896.12768.82823.82953.42928.52881.72791.22787.52831.32866.32848.32744.72655.22542.92447.02387.32414.72430.72368.02244.82317.32269.11793.21512.71551.81516.41430.71437.01462.21468.21440.91405.31419.41423.41423.31366.11404.51403.31368.41295.41276.51238.41193.61165.11185.11188.81155.7
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets █▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁20071.718739.617849.117298.418046.417847.817744.416970.816185.316661.416504.516831.716568.016691.814902.514428.014247.014483.014199.014410.414221.714422.314465.214150.67301.87231.87144.86992.46965.96686.76591.96569.46795.06814.36098.36130.66136.66053.26168.36201.66187.8NANANA4837.8NANANA
us-gaap:Liabilities ███████▇▇▇▇▇▇█▆▆▆▆▆▇▇▇▇▇▂▂▂▂▂▂▁▁▂▂▁▁▁▁▁▁▁10691.310480.610476.910259.810459.310597.010580.09840.09194.89392.99446.89827.59717.210539.09008.58761.88726.08944.08870.19228.19262.49493.39679.09616.84463.64442.64469.14472.54455.24101.13908.13770.24056.94076.73446.33512.43612.93490.33567.13780.03700.9NANANA2731.7NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁20071.718739.617849.117298.418046.417847.817744.416970.816185.316661.416504.516831.716568.016691.814902.514428.014247.014483.014199.014410.414221.714422.314465.214150.67301.87231.87144.86992.46965.96686.76591.96569.46795.06814.36098.36130.66136.66053.26168.36201.66187.8NANANA4837.8NANANA
us-gaap:StockholdersEquity █▇▆▆▆▆▆▆▆▆▆▆▆▅▅▄▄▄▄▄▄▄▄▃▂▂▂▁▁▁▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁9359.78239.17352.77020.17567.07231.17144.47111.36971.47248.17037.76984.06830.06125.95878.15650.75505.85523.45313.05166.54944.44913.54769.74517.62820.52770.82656.42501.32491.32565.62663.42778.32717.42716.72631.82597.62503.52543.32579.82400.42466.32270.22209.02158.42106.1NANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent █▆▅▄▄▄▄▄▄▅▄▄▄▄▄▃▃▄▄▄▄▄▄▃▂▂▂▂▂▁▁▁▂▂▁▁▁▁▁▁▁5125.44085.63413.22891.12981.22987.82848.62885.32835.43274.33021.22896.62682.62900.62515.72486.02478.72654.92644.12744.92663.02707.12586.02328.51692.71687.81565.91420.91432.11212.91148.01190.01391.81455.81063.31081.91084.81072.61083.61147.61143.8NANANA935.6NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue █▄▄▂▂▃▂▂▃▆▂▃▂▃▂▃▃▄▄▄▅▅▄▃▄▄▃▂▃▂▁▂▃▃▁▁▁▁▁▂▂▁▁▁▁1320.8667.2557.0323.6337.5361.1265.4348.8426.8892.6221.4361.8316.7409.3299.9365.5433.6567.6639.6696.3716.4713.0619.0446.4580.0575.7479.5338.9404.0174.1111.3185.8466.8466.0124.4129.9159.385.8118.9195.4230.796.9103.8172.2148.5NANANA
us-gaap:AccountsReceivableNetCurrent █▇▅▄▄▅▅▄▄▄▄▅▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▁▂▂▂▁▁▁▁▁▁▁▁▁2479.82095.21661.01482.21543.91617.21576.11563.01467.91536.11520.31613.01481.31556.61379.31356.91328.71346.61314.41328.51217.91235.21201.41187.0815.7841.6832.6822.0784.7813.2815.7793.8718.5768.9735.8751.7699.8718.7714.8717.3655.6NANANA574.2NANANA
us-gaap:InventoryNet █▇▆▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁423.2392.5342.3254.0244.7234.9219.7233.7237.3233.0230.7226.2227.6217.2209.9199.8205.2198.8189.6188.2191.0181.6182.0186.5139.5138.8134.5134.8136.5126.5126.4124.0121.0118.9114.0107.0110.8103.8106.898.0103.4NANANA90.0NANANA
us-gaap:InventoryFinishedGoods 19.6NANANA16.4NANANA37.2NANANA32.4NANANA33.5NANANA33.3NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:PropertyPlantAndEquipmentGross 4932.7NANANA4565.3NANANA3557.6NANANA3328.6NANANA3110.7NANANA2871.3NANANA1813.0NANANA1731.9NANANA1575.7NANANA1443.6NANANA1388.0NANANA1263.2NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment 2203.1NANANA1928.7NANANA1772.9NANANA1579.7NANANA1392.1NANANA1123.9NANANA1026.5NANANA1024.5NANANA944.9NANANA865.3NANANA-801.1NANANA-762.4NANANA
us-gaap:AmortizationOfIntangibleAssets █▅▅▅▆▅▅▅▅▅▅▅▅▅▄▄▄▃▄▄▃▄▄▂▁▁▂▂▂▁▁▁▂▂▁▂▂▂▂▂▁▁▁▁90.862.260.162.364.261.760.257.156.254.758.562.362.954.651.447.648.841.145.344.338.347.146.631.415.418.322.021.021.420.320.519.523.221.120.621.421.221.221.521.919.618.017.717.4NANANANA
us-gaap:PropertyPlantAndEquipmentNet █████▇▇▇▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁2729.62608.62627.72609.62636.62462.82544.22457.91784.71734.31710.91749.91748.91736.21717.91720.01718.61730.61741.91771.71747.41806.81831.81597.2786.5754.7741.2733.1707.4672.6646.9634.6630.8612.2576.2577.2578.3577.4586.4579.5586.9NANANA500.8NANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▄▃▄▃▆▆▆▃▂▁▁▁▁▂▃▁▁▂▂▂▁▂▃▇▇██▆▇▆▆▆▅▅▅▅▄▄▅▅▅73.570.772.367.084.986.086.766.960.557.958.958.458.464.767.258.157.660.461.761.258.261.868.688.992.694.796.587.388.586.887.586.878.180.779.079.976.875.479.482.678.5NANANA71.4NANANA
us-gaap:Goodwill ██▇▇███▇▇▇▇██▇▆▆▆▆▆▆▆▆▆▆▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁7751.57613.87422.77388.57865.07815.37843.77385.97360.37362.77423.37615.57530.07325.16641.46502.16424.46389.06218.36252.46227.76068.66136.66282.23099.43066.43069.23067.13022.82990.92986.62911.62901.72877.42694.42680.32681.82641.42644.32613.02601.3NANANA1897.1NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▇▇▇▇▇▇▇▇▇▇▇███▆▆▆▆▅▆▅▆▆▆▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁3961.13920.53877.23905.14034.54021.34015.93884.93911.13990.94049.54297.54340.84415.33621.23469.33400.53457.23357.93410.43323.53561.03644.83603.31475.81489.41545.81538.41572.01601.41606.31627.51667.71672.51588.61616.61620.71592.71676.01676.71674.1NANANA1342.2NANANA
us-gaap:OperatingLeaseRightOfUseAsset 789.8NANANA732.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▇█▇▇██▇▅▄▄▄▃▃▄▆▃▂▃▃▂▃▃▃▄▂▂▂▂▂▂▁▁▂▁▁▁▁▁▁▁▁410.0437.0431.1430.6435.4458.9403.6288.2231.6239.4239.0212.1205.4247.8337.0190.4165.1189.0173.1167.5201.9217.0197.4250.5154.8138.8126.2145.6143.1122.1116.6118.9124.9115.796.894.794.293.798.6102.2103.2NANANA90.7NANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AccountsPayableCurrent ██▆▇█▇▆▇█▅▅▆█▇▅▅▆▅▅▅▅▅▅▄▂▂▂▂▂▂▂▂▁▂▁▁▂▁▁▁▂638.9639.5534.1568.7632.3607.8531.6592.2634.6497.5488.1519.1663.0595.4491.7484.9508.4454.8443.5466.0497.4445.0438.8420.8282.3286.2280.6281.9304.5262.0253.4246.6236.9247.4234.5225.7257.8222.9212.5215.4257.8NANANA183.1NANANA
us-gaap:AccruedLiabilitiesCurrent ██▆▅▅▅▅▄▅▅▄▄▃▃▃▃▃▃▃▃▃▃▃▂▁▂▂▁▁▁▁▁▁▂▁▂▂▂▂▂▁1357.71297.81032.7828.1942.4830.3820.3797.3870.0901.5739.9749.1632.9610.1617.0564.7593.7589.7565.4584.9633.1583.0567.7488.9341.4365.2362.6358.0310.0308.2281.8346.0311.6386.9349.6407.5404.1404.3444.7435.2352.9NANANA275.7NANANA
us-gaap:DebtCurrent ▄▄█▅▅▅▅▅▁▅▅▅▅▁▆▆▆▇▂▅▅▇▇▄▄▂▂▂▂▂▂▂▅▅▂▂▂▃▃▄▄376.7376.6790.8417.4415.2502.6502.3501.717.9417.8417.8417.7417.518.1519.6519.2549.5698.287.4425.4424.9674.7674.1348.6347.197.697.6105.3111.3110.4119.9147.9480.0485.1134.4136.0135.5214.3215.1396.8361.7NANANA417.2NANANA
us-gaap:LiabilitiesCurrent ███▆▇▆▆▆▅▅▅▅▅▄▄▄▄▅▃▄▄▄▄▃▂▁▁▁▁▁▁▁▂▂▁▁▁▂▂▃▂3078.53009.93034.42458.02655.82554.92495.82526.91878.92106.22121.52104.02046.11537.21805.51753.21827.61912.21271.61642.71701.51844.41823.11412.2976.3749.0740.8753.6735.7680.6655.1740.51028.51119.4718.5769.2797.4982.21025.71199.71120.5NANANA1018.4NANANA
us-gaap:NotesPayableCurrent █████▅▇▇▇▇▇▇▇▇▅▄▁2.12.22.22.22.21.41.91.81.81.81.81.81.81.91.41.10.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityCurrent ▆▆▆▆▆▆▇█▁192.0193.8195.3202.7206.5202.1229.2263.40.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent 359.7NANANA311.1NANANA54.2NANANA52.1NANANA50.5NANANA44.0NANANA28.6NANANA35.2NANANA37.7NANANA41.0NANANA24.9NANANA20.3NANANA
us-gaap:TaxesPayableCurrent 374.8NANANA156.7NANANA124.8NANANA64.5NANANA61.2NANANA83.8NANANA32.0NANANA24.2NANANA24.0NANANA35.8NANANA13.8NANANA19.0NANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LongTermDebtNoncurrent ▆▆▆▆▆▇▇▆▇▇▇▇▇█▆▆▆▆▆▆▆▆▇▇▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁5419.05417.35416.65790.25789.86101.36135.05495.66041.96044.66039.46359.36344.67200.35608.35401.95300.05473.25967.65969.55992.16006.56113.26597.72682.72917.12909.92903.02889.12553.52390.02175.02175.02175.01975.21985.42085.51769.31788.21807.91826.7NANANA977.2NANANA
us-gaap:OtherLiabilitiesNoncurrent █▇▆▅▅▅▅▄▄▅▅▅▅▆▆▆▅▄▄▄▄▅▅▄▃▂▃▃▃▄▄▄▄▂▂▃▂▁▁▁▁526.4473.2415.6369.4383.2348.3368.6307.3334.0343.0371.8372.8378.2403.4401.0394.3392.0330.7320.3322.7323.1351.1370.1338.4274.2223.9249.8254.0266.5303.7303.9302.2307.4223.4227.0235.7227.3169.0166.4155.2151.4NANANA158.4NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █▇▇▇▇▆▇▆▁677.6602.4615.5609.8596.6530.7586.1502.40.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity █▇▆▆▆▆▆▆▆▆▆▆▆▅▅▄▄▄▄▄▄▄▄▃▂▂▂▁▁▁▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁9359.78239.17352.77020.17567.07231.17144.47111.36971.47248.17037.76984.06830.06125.95878.15650.75505.85523.45313.05166.54944.44913.54769.74517.62820.52770.82656.42501.32491.32565.62663.42778.32717.42716.72631.82597.62503.52543.32579.82400.42466.32270.22209.02158.42106.1NANANA
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▇▇▇██████████████▄▄▄▄▄▅▅▆▆▆▆▇▇▇███9.09.09.09.09.09.09.111.611.711.912.012.012.012.012.012.112.112.112.112.012.012.012.012.010.410.410.410.410.510.711.011.211.311.411.511.611.711.912.112.012.2NANANA12.5NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ▁▁▁▁▁▁▁▆▆▇▇▇██▇█████▇▇▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁110.380.732.10.026.847.891.41401.31451.11828.41934.81969.01989.81998.41972.72051.12131.72130.32088.12022.81974.51937.61877.61823.20.00.00.00.00.00.00.00.00.00.00.00.00.00.072.717.753.9NANANA36.7NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▆▆▆▆▆▆▅▅▅▅▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁9402.38464.07760.67529.07903.67676.57455.87265.47079.86921.96603.16369.36224.05517.25336.65148.04955.84770.74581.44383.24223.04108.73955.83786.83786.13685.63553.03408.93373.53461.73574.63667.53588.53587.53522.73469.63387.23402.23326.63203.73246.6NANANA2927.9NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▄▂▂▃▂▃▂▂▃▃▄▃▃▃▂▁▃▃▄▄▅▆▆▇▇▇▇█▇▇▇██▇▇▇████-161.9-314.6-449.0-517.9-372.4-502.2-411.9-439.5-463.1-407.8-407.0-281.2-335.7-342.5-384.3-527.1-581.1-378.0-357.4-258.3-287.0-168.5-99.8-131.1-10.540.358.545.566.252.136.753.869.469.649.459.945.570.1109.3104.688.5NANANA61.5NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome-161.9NANANA-372.4NANANA-463.1NANANA-335.7NANANA-581.1NANANA-287.0NANANA-10.5NANANA66.2NANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue NA27.239.817.9NA31.5-199.925.520.818.8-75.025.823.933.125.027.727.771.45.94.624.423.727.726.310.611.511.911.78.46.810.811.35.911.111.911.811.711.712.413.110.510.110.78.7NANANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNA27.239.817.9NA31.526.525.520.818.826.225.823.933.125.027.727.724.325.831.824.423.727.726.310.611.511.911.78.46.810.811.35.911.111.911.811.711.712.413.110.510.110.78.7NANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ██▅▃▆▅▄▃▆▄▅▃▆▅▄▄▅▄▄▃▅▄▅▁▃▃▃▃▄▄▃▃▄▃▃▃▄▃▃▃▄▃▃▄774.6000000000003786.2370.7203.8569.8455.6253.5165.8486.4297.0367.3154.7564.0350.9310.7233.8448.9260.4343.6123.0384.6288.0396.7-86.9213.7175.6207.4142.3248.7234.2137.6198.2254.2203.8186.3197.1278.6176.8184.9215.3259.2176.2216.2232.0NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▆▇▇█▇▇▇▅▆▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▅▇▇▇-127.99999999999994-285.20000000000005-123.4-106.6-152.1-239.7-750.8-140.5-146.9549.9-122.0-74.3-178.3-1313.5-491.4-245.5-219.6-317.7-106.8-151.6-128.6-82.7-132.3-3651.3-147.3-55.6-39.1-108.1-112.8-47.2-138.1-61.5-121.9-310.7-65.4-36.2-121.3-41.7-72.8-44.5-995.0-88.6-177.4-56.5NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▂▂▂▂▃▂▁▂▂▂▂▄▂▂▂▂▂▂▂▂▂█▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▄▂▂▂-1.0-396.7-16.9-102.8-449.4-115.0414.9-103.2-802.9-174.0-373.0-40.0-479.41064.4106.7-59.8-348.1-3.8-301.83.9-239.6-86.7-118.83629.7-58.8-18.4-25.4-98.095.4-126.8-74.1-412.8-130.7446.6-125.1-191.6-83.4-166.7-187.8-207.1868.9-95.2-105.5-152.9NANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect █▃▄▂▂▃▁▁653.6110.2233.4-13.9-23.695.7-83.4-78.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▇▇▇▇▇▇▇██▇▇█▁▇▇██▇██▇▇▇██▇▇██▇██▇█████▇▇█▇▇█1.5-19.1-34.55.15.98.1-1.917.133.1-23.90.036.0-525.74.5-23.318.749.5-38.125.118.2-17.4-11.1-22.317.431.2-2.4-11.210.127.90.018.010.38.411.612.720.613.28.5-18.5-1.015.0-5.6-6.510.0NANANANA
us-gaap:DepreciationDepletionAndAmortization █▆▆▆▇▆▆▆▆▅▆▆▆▅▅▅▅▅▅▅▄▅▅▄▂▁▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁183.9152.3143.9144.6155.8144.3139.8137.3137.7133.1138.5142.8145.0133.1127.0128.1130.3121.1125.4122.4113.3121.4118.4104.763.558.562.860.759.857.956.955.559.457.656.156.757.857.757.858.152.950.650.150.0NANANANA
us-gaap:IncreaseDecreaseInAccountsPayable ▃▇▃▂▄▇▁▃█▄▃▂▆▆▄▃▅▄▃▃▆▄▄▂▄▄▄▃▅▄▄▄▃▄▄▃▅▄▃▂▆▃▅▃-22.6106.2-32.4-56.515.480.8-80.2-28.8123.211.4-31.5-59.856.058.6-1.0-28.047.6-2.0-20.2-34.155.09.515.1-48.9-5.09.51.4-27.135.68.36.810.1-10.63.99.0-32.332.116.5-14.7-42.659.0-18.023.9-14.8NANANANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▇█▄▁▁▃▂▃▁▂▁▃▁▃▂▃▂▂▂▄▂▃▂▃▂▂▂▃▂▂▂▃▁▂▂▃▂▄▂▁▁▃▂▂366.5422.7170.9-46.7-80.253.20.390.8-58.721.7-66.853.6-80.947.67.527.9-23.79.6-6.2105.8-18.136.113.540.3-28.611.78.839.2-28.0-4.223.975.8-49.814.2-15.550.5-28.8124.310.1-68.5-74.386.01.4-38.4NANANANA
us-gaap:IncreaseDecreaseInInventories ▅▅█▂▂▃▂▁▂▂▂▂▂▂▂▁▂▂▂▁▂▂▁▁▂▂▂▁▂▂▂▂▂▂▂▁▂▂▁▂▁▁▁▂49.149.187.810.67.412.85.1-3.410.14.16.1-1.410.05.75.6-4.94.85.41.8-2.49.8-0.1-5.3-4.2-1.04.7-0.5-2.99.7-0.12.53.22.01.07.2-3.95.23.6-8.35.6-3.5-6.1-3.97.7NANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ██▅▃▆▅▄▃▆▄▅▃▆▅▄▄▅▄▄▃▅▄▅▁▃▃▃▃▄▄▃▃▄▃▃▃▄▃▃▃▄▃▃▄774.6000000000003786.2370.7203.8569.8455.6253.5165.8486.4297.0367.3154.7564.0350.9310.7233.8448.9260.4343.6123.0384.6288.0396.7-86.9213.7175.6207.4142.3248.7234.2137.6198.2254.2203.8186.3197.1278.6176.8184.9215.3259.2176.2216.2232.0NANANANA
us-gaap:NetIncomeLoss █▇▄▁▄▄▄▄▄▅▄▄▇▄▄▄▄▄▄▄▃▄▄▃▃▄▄▃▃▄▄▄▃▄▄▄▄▄▃▃▄▄▄▄▄▄▄▄938.3703.4231.6-317.2227.1220.7190.4185.6157.9318.8233.8173.2706.8180.6188.6192.2184.4179.5198.2160.2114.2152.8168.40.7119.6137.2141.3113.1126.4148.3151.9147.2120.2148.0153.3161.6135.4134.3122.9127.1131.8140.0153.7132.7142.7131.4136.4132.8
us-gaap:ProfitLoss █▇▄▁▄▄▄▄▄▅▄▄▇▄▄▄▄▄▄▄▃▄▄▃▃▄▄▃▃▄▄▄▃▄▄▄▄▄▃▃▄▄▄▄938.6703.7231.6-316.9227.3221.0190.7185.9158.2319.0234.1172.5709.2183.4188.9192.5184.6179.8198.5160.5114.5153.1168.71.0119.9137.5141.7113.5126.7148.7152.3147.6120.6148.4153.8162.0138.2137.6126.7130.6135.1143.1157.2136.2NANANANA
us-gaap:ShareBasedCompensation ▅▅█▃▅▆▅▅▄▄▅▅▅▇▅▆▆▅▅▆▅▅▆▅▂▂▂▂▂▁▂▂▁▂▂▂▂▂▂▂▂▂▂▂26.827.239.817.923.531.526.525.520.818.826.225.823.933.125.027.727.724.325.831.824.423.727.726.310.611.511.911.78.46.810.811.35.911.111.911.811.711.712.413.110.510.110.78.7NANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▆▇▇█▇▇▇▅▆▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▅▇▇▇-127.99999999999994-285.20000000000005-123.4-106.6-152.1-239.7-750.8-140.5-146.9549.9-122.0-74.3-178.3-1313.5-491.4-245.5-219.6-317.7-106.8-151.6-128.6-82.7-132.3-3651.3-147.3-55.6-39.1-108.1-112.8-47.2-138.1-61.5-121.9-310.7-65.4-36.2-121.3-41.7-72.8-44.5-995.0-88.6-177.4-56.5NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▆▅▆▇█▆▅▆█▆▅▄▆▄▄▄▄▄▄▄▅▄▄▂▂▃▃▃▃▃▃▂▃▂▂▂▁▂▂▁▂▂▂▁99.477.298.5106.6128.292.685.294.2122.297.987.272.596.175.369.372.274.366.267.071.485.167.869.133.846.352.648.156.559.652.148.841.761.444.134.134.230.140.445.829.432.834.334.524.5NANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▂▂▂▂▃▂▁▂▂▂▂▄▂▂▂▂▂▂▂▂▂█▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▄▂▂▂-1.0-396.7-16.9-102.8-449.4-115.0414.9-103.2-802.9-174.0-373.0-40.0-479.41064.4106.7-59.8-348.1-3.8-301.83.9-239.6-86.7-118.83629.7-58.8-18.4-25.4-98.095.4-126.8-74.1-412.8-130.7446.6-125.1-191.6-83.4-166.7-187.8-207.1868.9-95.2-105.5-152.9NANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▁▃▂▃▄▃█▄▂▂▂▂▃▄▂▁▁▁▁▁▁▁▂▂▂▃▅▆▇▃▃▃▃▃▄▄▂▆▁▃▃▃0.00.00.0100.050.0100.0199.9100.1400.0150.075.075.040.042.1108.0148.043.90.00.00.00.00.00.00.039.165.756.5107.7250.1286.3365.3113.9136.0127.9130.3122.3175.1146.060.5262.30.0121.9115.9100.3NANANANA
  2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType lh:SeniorNotesDue2020▄▄4.625e-064.625e-06NANA4.625e-084.625e-084.625e-08NA4.625e-08NANANA4.625e-08NANANA4.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-084.625e-08NA4.625e-08NANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8.99.09.09.09.09.09.09.09.11111111212121212121212121212121212101010101010111111111111111112121212
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.3

us-gaap:CommonStockValue us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value9.09.0111212121010
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.10.10.10.10.10.2
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value9797122125125125125124123123123123107107107107108110112115115117118119120121123122124127130132
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value969797979797979797123122124125125125125125125125
Percentage of CommonStockSharesIssued0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value96979797979797979798981011021021011021021021021021021021011011001008484848485879092939495979799101100102105
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value989898979798989910210310310310310410410310310210293868686909394969899102102103104105106
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value979797979797989810110110110210210210210210110110091848485899292959697100100100102103104
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value100000.0200000.0800000.01300000.0200000.0200000.0300000.0100000.0100000.0100000.0100000.0100000.0100000.000300000.00100000.000000300000.03000000.03100000.02200000.01400000.01500000.01400000.0900000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5127051091837300-462.7356130218209102318108225713222331246-99.115899269-4.284194-119.9681191549214016313413112016814217611095127143142159134149
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.024.321.510.9-16.412.14.57.67.53.711.23.87.926.08.413.010.1-4.26.64.111.4-0.23.68.6-6.74.57.710.26.59.811.29.29.18.511.910.012.48.16.89.110.511.012.510.912.5

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value5137051091838300-462.4357130218209102318108225716225331246-98.915999269-4.084195-119.6691191549214016413513212016814317611398131146
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.024.321.510.9-16.412.14.57.67.53.711.23.87.926.18.513.010.1-4.16.64.111.4-0.23.68.6-6.74.67.710.26.59.811.29.29.28.611.910.112.48.37.09.410.7

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value19041559760728820817824789772789835779915882861803788788826777740762774596546571568516526547577572538556579576549568588568529527533506476498507489
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues42.440.027.525.827.827.928.628.327.727.929.127.333.433.233.932.833.032.734.032.833.032.934.133.236.136.837.536.136.637.539.339.738.339.240.740.540.240.541.941.540.941.343.142.540.942.042.742.3

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value550402822029.35.83562121-2.21148612424841351161184961323273856723731001028.673631531173681558.484771407.58910914510
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.06.35.20.30.21.22.14.2-0.14.13.14.30.93.15.14.60.53.64.05.41.43.33.73.01.34.86.46.80.65.14.410.40.85.24.910.90.66.15.510.00.56.98.611.70.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value467769938703231-317.22272201901851573182331737061801881921841791981601141521680.7119137141113126148151147120148153161135134122127131140153132142131136132
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.020.918.18.4-11.27.77.56.66.65.711.38.26.125.86.87.47.97.77.48.26.85.16.67.40.07.98.89.37.98.810.110.310.28.610.410.811.49.99.68.89.310.211.012.411.112.211.111.511.5

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value467769703231-317.22201901851573182331737061801881921841891981601141521690.7119137141113126148152147120148153161135134122127131140153132
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0105.5100.0100.0100.1100.1100.4100.0100.0100.0100.0100.099.9100.0100.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.018.18.4-11.27.56.66.65.711.38.26.125.86.87.47.97.77.88.26.85.16.67.40.07.98.89.37.98.810.110.410.28.610.410.811.49.99.68.89.310.211.012.411.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value467769938703231-317.22272201901851573182331737061801841921841791981601141521680.7119137141113126148151147120148153161135134122127131140153132
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.020.918.18.4-11.27.77.56.66.65.711.38.26.125.86.87.37.97.77.48.26.85.16.67.40.07.98.89.37.98.810.110.310.28.610.410.811.49.99.68.89.310.211.012.411.1

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value704105712931047297-192.6336339335318307343369305330341336332323324366301243306321130219241246203215244269262215245276287247239225235238235270234
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.028.826.910.8-6.811.411.611.611.411.012.112.910.712.012.913.213.613.513.415.112.710.813.214.27.314.515.616.314.215.016.718.318.215.317.319.420.218.117.016.117.218.418.421.819.6

us-gaap:OperatingIncomeLoss us-gaap:BusinessAcquisition

lh:Otheracquirees


Operating
Period End2020-09-30
Value3.5
Percentage of OperatingIncomeLoss0.3
Percentage of Revenues0.1
Percentage of Revenues lh:Otheracquirees26.7

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value45-64.615213468-145.5129-90.32723-55.3-0.8-125.8526.84114254-283.5-20.7-99.1109-118.5-68.826-120.6-50.8-18.213-20.71415-17.1-15.6-0.220-10.514
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.03.43.42.5-5.24.4-3.11.00.8-2.0-0.0-4.41.80.21.65.62.2-11.9-0.9-4.14.6-5.3-3.01.2-6.7-3.4-1.20.9-1.41.01.1-1.2-1.1-0.01.4-0.71.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value45-64.613468-145.5-90.32723-55.3-0.8-125.8526.84114254-283.5-20.6-99.1109-118.5-68.731-120.6-50.8-18.213-20.71415-17.1-15.6-0.220-10.514
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.5100.0100.0100.099.9119.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.03.42.5-5.2-3.11.00.8-2.0-0.0-4.41.80.21.65.62.2-11.9-0.9-4.14.6-5.3-3.01.4-6.7-3.4-1.20.9-1.41.01.1-1.2-1.1-0.01.4-0.71.0
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value468770938703231-316.92272211901851583192341727091831881921841791981601141531681.0119137141113126148152147120148153162138137126130135143157136
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.020.918.18.4-11.27.77.56.66.75.711.38.26.125.86.97.47.97.77.48.26.85.16.67.40.17.98.99.37.98.810.210.410.28.610.510.811.410.19.89.09.510.411.212.711.4

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value448938962768282329532928288127912787283128662848274426552542244723872414243023682244231722691793151215511516143014371462146814401405141914231423136614041403136812951276123811931165118511881155
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:BusinessAcquisition

lh:Otheracquirees


Revenuesus-gaap:
Period End2020-09-30
Value13
Percentage of Revenues0.3
Percentage of Revenues0.3
Percentage of Revenues lh:Otheracquirees100.0

us-gaap:Revenues us-gaap:StatementGeographical

country:US


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value3091347221292165
Percentage of Revenues0.00.076.976.7
Percentage of Revenues0.00.076.976.7
Percentage of Revenues country:US100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2041720417200711873917849172981804617847177441697016185166611650416831165681669114902144281424714483141991441014221144221446514150730172317144699269656686659165696795681460986130613660536168620161874837
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value101511037410691104801047610259104591059710580984091949392944698279717105399008876187268944887092289262949396799616446344424469447244554101390837704056407634463512361234903567378037002731
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.750.853.355.958.759.358.059.459.658.056.856.457.258.458.763.160.460.761.261.862.564.065.165.866.968.061.161.462.664.064.061.359.357.459.759.856.557.358.957.757.861.059.856.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2041720417200711873917849172981804617847177441697016185166611650416831165681669114902144281424714483141991441014221144221446514150730172317144699269656686659165696795681460986130613660536168620161874837
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value102451002193598239735270207567723171447111697172487037698468306125587856505505552353135166494449134769451728202770265625012491256526632778271727162631259725032543257924002466227022092158210616881725
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.249.146.644.041.240.641.940.540.341.943.143.542.641.541.236.739.439.238.638.137.435.934.834.133.031.938.638.337.235.835.838.440.442.340.039.943.242.440.842.041.838.739.90.00.00.043.50.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-181.2-226.5-161.9-314.6-449.0-517.9-372.4-502.2-411.9-439.5-463.1-407.8-407.0-281.2-333.7-342.5-384.3-527.1-581.1-378.0-357.4-258.3-367.4-168.5-99.8-131.1-10.5405845665236536969495945701091048878597861-16.7120
Percentage of StockholdersEquity-1.8-2.3-1.7-3.8-6.1-7.4-4.9-6.9-5.8-6.2-6.6-5.6-5.8-4.0-4.9-5.6-6.5-9.3-10.6-6.8-6.7-5.0-7.4-3.4-2.1-2.9-0.41.52.21.82.72.01.41.92.62.61.92.31.82.84.24.43.63.42.73.62.9-1.07.0
Percentage of Assets-0.9-1.1-0.8-1.7-2.5-3.0-2.1-2.8-2.3-2.6-2.9-2.4-2.5-1.7-2.0-2.1-2.6-3.7-4.1-2.6-2.5-1.8-2.6-1.2-0.7-0.9-0.10.60.80.71.00.80.60.81.01.00.81.00.71.21.81.71.40.00.00.01.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value6711080320.0264791140114511828193419691989199819722051213121302088202219741937187718230.00.00.00.00.00.00.00.00.00.00.00.00.00.07217530.00.00.036237460
Percentage of StockholdersEquity0.71.21.00.40.00.40.71.319.720.825.227.528.229.132.633.636.338.738.639.339.239.939.439.440.40.00.00.00.00.00.00.00.00.00.00.00.00.00.02.80.72.20.00.00.01.714.126.7
Percentage of Assets0.30.50.40.20.00.10.30.58.39.011.011.711.712.012.013.214.215.014.714.714.013.913.413.012.90.00.00.00.00.00.00.00.00.00.00.00.00.00.01.20.30.90.00.00.00.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value8.99.09.09.09.09.09.09.09.111111112121212121212121212121212121010101010101111111111111111121212121212121213
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.40.40.40.40.40.40.40.40.40.40.40.40.50.50.50.50.50.50.60.60.60.80.8
Percentage of Assets0.00.00.00.00.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.00.00.00.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value104171017194028464776075297903767674557265707969216603636961965517533651484955477045814383422341083955378637863685355334083373346135743667358835873522346933873402332632033246311430723002292723842028
Percentage of StockholdersEquity101.7101.5100.5102.7105.5107.2104.4106.2104.4102.2101.695.593.891.290.790.190.891.190.086.486.284.885.483.682.983.8134.2133.0133.8136.3135.4134.9134.2132.0132.1132.1133.9133.6135.3133.8128.9133.5131.6137.2139.1139.1139.0141.2117.6
Percentage of Assets51.049.846.845.243.543.543.843.042.042.843.741.540.037.837.433.135.835.734.832.932.330.429.728.527.326.851.951.049.748.848.451.854.255.852.852.657.856.655.256.253.951.752.50.00.00.060.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5693563851254085341328912981298728482885283532743021289626822900251524862478265426442744266327072586232816921687156514201432121211481190139114551063108110841072108311471143935
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.927.625.521.819.116.716.516.716.117.017.519.718.317.216.217.416.917.217.418.318.619.018.718.817.916.523.223.321.920.320.618.117.418.120.521.417.417.617.717.717.618.518.519.3

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value196318901320667557323337361265348426892221361316409299365433567639696716713619446580575479338404174111185466466124129159851181952309610317214821956
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.69.36.63.63.11.91.92.01.52.12.65.41.32.11.92.52.02.53.03.94.54.85.04.94.33.27.98.06.74.85.82.61.72.86.96.82.02.12.61.41.93.23.70.00.00.03.10.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value22102323247920951661148215431617157615631467153615201613148115561379135613281346131413281217123512011187815841832822784813815793718768735751699718714717655574
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.811.412.411.29.38.68.69.18.99.29.19.29.29.68.99.39.39.49.39.39.39.28.68.68.38.411.211.611.711.811.312.212.412.110.611.312.112.311.411.911.611.610.611.9

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4214274233923422542442342192332372332302262272172091992051981891881911811821861391381341341361261261241211181141071101031069810390
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.12.12.11.91.51.41.31.21.41.51.41.41.31.41.31.41.41.41.41.31.31.31.31.31.31.91.91.91.92.01.91.91.91.81.71.91.71.81.71.71.61.71.9

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


Inventory
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1916373233330.0
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.10.20.20.20.20.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value493245653557332831102871181317311575144313881263
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.625.322.020.121.820.224.824.923.223.522.426.1

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetsHeldUnderCapitalLeases


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value7897327979816542141.51.53.53.5
Percentage of PropertyPlantAndEquipmentGross16.016.12.22.42.62.32.40.80.10.10.30.3
Percentage of Assets3.94.10.50.50.60.50.60.20.00.00.10.1
Percentage of Assets us-gaap:AssetsHeldUnderCapitalLeases0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value879781703708692681201188138121125116
Percentage of PropertyPlantAndEquipmentGross17.817.119.821.322.323.711.110.98.88.49.09.2
Percentage of Assets4.44.34.34.34.94.82.82.72.02.02.02.4
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2313113041851931801261271541159549
Percentage of PropertyPlantAndEquipmentGross4.76.88.65.66.26.37.07.49.88.06.93.9
Percentage of Assets1.21.71.91.11.41.31.71.82.31.91.51.0
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1129793907670575858535148
Percentage of PropertyPlantAndEquipmentGross2.32.12.62.72.52.43.23.43.73.73.73.8
Percentage of Assets0.60.50.60.50.50.50.80.80.90.90.81.0
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value999077787896292924242523
Percentage of PropertyPlantAndEquipmentGross2.02.02.22.42.53.41.61.71.61.71.91.9
Percentage of Assets0.50.50.50.50.60.70.40.40.40.40.40.5
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value440411340333302271200196193182171147
Percentage of PropertyPlantAndEquipmentGross8.99.09.610.09.79.511.011.312.312.612.411.6
Percentage of Assets2.22.32.12.02.11.92.72.82.83.02.83.0
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value15221345124311811060944719712655616615584
Percentage of PropertyPlantAndEquipmentGross30.929.534.935.534.132.939.741.141.642.744.446.3
Percentage of Assets7.67.57.77.17.46.69.910.29.610.110.012.1
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value857794714672626561434404348327299289
Percentage of PropertyPlantAndEquipmentGross17.417.420.120.220.119.624.023.422.122.721.622.9
Percentage of Assets4.34.44.44.14.44.06.05.85.15.34.86.0
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value22031928177215791392112310261024944865-801.1-762.4
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.010.711.09.59.87.914.114.713.914.1-12.9-15.8

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value92929062606264616057565458626254514748414544384746311518222121202019232120212121212119181717
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value27012697272926082627260926362462254424571784173417101749174817361717172017181730174117711747180618311597786754741733707672646634630612576577578577586579586500
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.213.213.613.914.715.114.613.814.314.511.010.410.410.410.610.411.511.912.111.912.312.312.312.512.711.310.810.410.410.510.210.19.89.79.39.09.49.49.49.59.59.39.510.4

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementBusinessSegments

lh:Diagnostics


Property
Period End2020-12-31
Value1515
Percentage of PropertyPlantAndEquipmentNet55.5
Percentage of Assets7.5
Percentage of Assets lh:Diagnostics0.0

lh:DrugDevelopment


Property
Period End2020-12-31
Value1214
Percentage of PropertyPlantAndEquipmentNet44.5
Percentage of Assets6.0
Percentage of Assets lh:DrugDevelopment0.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

lh:Othercountries


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value12317280736167
Percentage of PropertyPlantAndEquipmentNet4.56.64.54.23.63.9
Percentage of Assets0.61.00.50.40.40.5
Percentage of Assets lh:Othercountries0.00.00.00.00.00.0

srt:Europe


Property
Period End2020-12-31
Value425
Percentage of PropertyPlantAndEquipmentNet15.6
Percentage of Assets2.1
Percentage of Assets srt:Europe0.0

srt:NorthAmerica


Property
Period End2020-12-31
Value2180
Percentage of PropertyPlantAndEquipmentNet79.9
Percentage of Assets10.9
Percentage of Assets srt:NorthAmerica0.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

lh:Othercountries, lh:DrugDevelopment


Property
Period End2020-12-31
Value123
Percentage of PropertyPlantAndEquipmentNet4.5
Percentage of Assets0.6
Percentage of Assets lh:Othercountries lh:DrugDevelopment0.0

srt:Europe, lh:DrugDevelopment


Property
Period End2020-12-31
Value425
Percentage of PropertyPlantAndEquipmentNet15.6
Percentage of Assets2.1
Percentage of Assets srt:Europe lh:DrugDevelopment0.0

srt:NorthAmerica, lh:Diagnostics


Property
Period End2020-12-31
Value1515
Percentage of PropertyPlantAndEquipmentNet55.5
Percentage of Assets7.5
Percentage of Assets srt:NorthAmerica lh:Diagnostics0.0

srt:NorthAmerica, lh:DrugDevelopment


Property
Period End2020-12-31
Value665
Percentage of PropertyPlantAndEquipmentNet24.4
Percentage of Assets3.3
Percentage of Assets srt:NorthAmerica lh:DrugDevelopment0.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8285737072678486866660575858586467585760616158616888929496878886878678807979767579827871
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.40.40.40.50.50.50.40.40.30.40.30.40.40.50.40.40.40.40.40.40.40.50.61.31.31.41.21.31.31.31.31.11.21.31.31.31.21.31.31.31.5

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value774477207751761374227388786578157843738573607362742376157530732566416502642463896218625262276068613662823099306630693067302229902986291129012877269426802681264126442613260118971772
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.937.838.640.641.642.743.643.844.243.545.544.245.045.245.443.944.645.145.144.143.843.443.842.142.444.442.442.443.043.943.444.745.344.342.742.244.243.743.743.642.942.142.039.20.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

lh:CovanceDrugDevelopment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value39223900395138323690367741434102418037393721371337483769368535442862280227792847288030123090301830863286110110
Percentage of Goodwill50.750.551.050.349.749.852.752.553.350.650.650.450.549.548.948.443.143.143.344.646.348.249.649.750.352.33.63.7
Percentage of Assets19.219.119.720.420.721.323.023.023.622.023.022.322.722.422.221.219.219.419.519.720.320.921.720.921.323.21.51.6
Percentage of Assets lh:CovanceDrugDevelopment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

lh:Diagnostics


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value380037213638
Percentage of Goodwill49.047.349.4
Percentage of Assets18.920.622.5
Percentage of Assets lh:Diagnostics0.00.00.0

lh:DrugDevelopment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value395141433721
Percentage of Goodwill51.052.750.6
Percentage of Assets19.723.023.0
Percentage of Assets lh:DrugDevelopment0.00.00.0

lh:LabCorpDiagnostics


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3821382038003781373237113721371236633646363836493674384638443780377937003644354133383240313730503050299529882912
Percentage of Goodwill49.349.549.049.750.350.247.347.546.749.449.449.649.550.551.151.656.956.956.755.453.751.850.450.349.747.796.496.3
Percentage of Assets18.718.718.920.220.921.520.620.820.621.522.521.922.322.923.222.725.425.625.624.523.522.522.121.121.121.240.941.8
Percentage of Assets lh:LabCorpDiagnostics0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value37533834396139203877390540344021401538843911399040494297434044153621346934003457335734103323356136443603147514891545153815721601160616271667167215881616162015921676167616741342
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.418.819.720.921.722.622.422.522.622.924.224.024.525.526.226.524.324.023.923.923.623.723.424.725.225.520.220.621.622.022.623.924.424.824.524.526.026.426.426.327.227.027.127.7

us-gaap:IntangibleAssetsNetExcludingGoodwill lh:ScheduleOfOtherIntangibleAssetsByMajorClass

lh:PatentsLicensesAndTechnology


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value193197182182203205217221228231236246250259269273228229232254162171161778123302730283033353441
Percentage of IntangibleAssetsNetExcludingGoodwill5.15.14.64.75.25.35.45.55.76.06.06.26.26.06.26.26.36.66.87.34.95.04.92.22.20.72.01.82.01.82.02.12.22.12.5
Percentage of Assets0.91.00.91.01.11.21.21.21.31.41.51.51.51.51.61.61.51.61.61.81.11.21.10.50.60.20.40.40.40.40.40.50.50.50.6
Percentage of Assets lh:PatentsLicensesAndTechnology0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value29482993310830573004304331123096307429462972300930633269328333262608247624202433242224622407259126262650754746763778781786799796812
Percentage of IntangibleAssetsNetExcludingGoodwill78.578.178.578.077.577.977.177.076.675.876.075.475.676.175.675.372.071.471.270.472.272.272.472.872.173.651.150.149.450.649.749.149.848.948.7
Percentage of Assets14.414.715.516.316.817.617.217.317.317.418.418.118.619.419.819.917.517.217.016.817.117.116.918.018.218.710.310.310.711.111.211.812.112.112.0
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LicensingAgreements


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value502496489468459444480471476467457483475483495500481468464475482479451555591582635659691667694715701729743
Percentage of IntangibleAssetsNetExcludingGoodwill13.412.912.411.911.911.411.911.711.912.011.712.111.711.211.411.313.313.513.713.714.414.113.615.616.216.243.144.344.743.444.244.743.744.844.6
Percentage of Assets2.52.42.42.52.62.62.72.62.72.82.82.92.92.93.03.03.23.23.33.33.43.33.23.94.14.18.79.19.79.610.010.710.611.110.9
Percentage of Assets us-gaap:LicensingAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncompeteAgreements


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value3841383731283031252323222427293037251011121113131412131416171615161212
Percentage of IntangibleAssetsNetExcludingGoodwill1.01.11.01.00.80.70.80.80.60.60.60.60.60.60.70.71.00.70.30.30.40.30.40.40.40.40.91.01.01.21.00.91.00.80.8
Percentage of Assets0.20.20.20.20.20.20.20.20.10.10.10.10.10.20.20.20.30.20.10.10.10.10.10.10.10.10.20.20.20.30.20.20.20.20.2
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value68102137170173178188195204209214221229249254277257261264274271280284318325328414144464850525557
Percentage of IntangibleAssetsNetExcludingGoodwill1.82.73.54.34.54.64.74.95.15.45.55.65.75.85.96.37.17.57.87.98.18.28.69.08.99.12.82.82.93.03.13.23.33.43.5
Percentage of Assets0.30.50.70.91.01.01.01.11.21.21.31.31.41.51.51.71.71.81.91.91.91.92.02.22.32.30.60.60.60.70.70.80.80.80.9
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:UseRights


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value3.33.64.04.34.65.05.45.96.26.36.77.17.47.88.37.78.08.38.68.95.54.74.95.15.24.70.0
Percentage of IntangibleAssetsNetExcludingGoodwill0.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.30.30.20.10.10.10.10.10.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.10.10.10.10.00.00.00.00.00.00.0
Percentage of Assets us-gaap:UseRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-31
Value789732
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets3.94.1

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value417422410437431430435458403288231239239212205247337190165189173167201217197250154138126145143122116118124115969494939810210390
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.12.02.32.42.52.42.62.31.71.41.41.41.31.21.52.31.31.21.31.21.21.41.51.41.82.11.91.82.12.11.81.81.81.81.71.61.51.51.51.61.61.71.9

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value599621638639534568632607531592634497488519663595491484508454443466497445438420282286280281304262253246236247234225257222212215257183
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.93.03.23.43.03.33.53.43.03.53.93.03.03.14.03.63.33.43.63.13.13.23.53.13.03.03.94.03.94.04.43.93.83.83.53.63.83.74.23.73.43.54.23.8

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value13171508135712971032828942830820797870901739749632610617564593589565584633583567488341365362358310308281346311386349407404404444435352275
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.57.46.86.95.84.85.24.74.64.75.45.44.54.53.83.74.13.94.24.14.04.14.54.03.93.54.75.05.15.14.54.64.35.34.65.75.76.66.66.77.27.05.75.7

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3763767904174155025025011741741741741718519519549698874254246746743483479797105111110119147480485134136135214215396361417
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.04.42.42.32.82.83.00.12.52.52.52.50.13.53.63.94.80.63.03.04.74.72.54.81.31.41.51.61.71.82.37.17.12.22.22.23.53.56.45.88.6

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value26673368307830093034245826552554249525261878210621212104204615371805175318271912127116421701184418231412976749740753735680655740102811197187697979821025119911201018
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.116.515.316.117.014.214.714.314.114.911.612.612.912.512.39.212.112.212.813.29.011.412.012.812.610.013.410.410.410.810.610.29.911.315.116.411.812.513.016.216.619.318.121.1

Notes Payable Current

us-gaap:NotesPayableCurrent

us-gaap:NotesPayableCurrent


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1800000.01900000.02100000.02200000.02200000.02200000.02200000.01400000.01900000.01800000.01800000.01800000.01800000.01800000.01800000.01900000.01400000.01100000.00
Percentage of NotesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1901911921931952022062022292630.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.90.91.01.01.11.21.11.11.31.60.0

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation

lh:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-31
Value192
Percentage of OperatingLeaseLiabilityCurrent100.0
Percentage of Assets1.0
Percentage of Assets lh:OperatingLeaseLiabilityCurrent0.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value35931154525044283537412420
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.70.30.30.40.30.40.50.60.70.40.4

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value374156124646183322424351319
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.90.90.80.40.40.60.40.30.40.60.20.4

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5422492054195417541657905789610161355495604160446039635963447200560854015300547359675969599260066113659726822917290929032889255323902175217521751975198520851769178818071826977
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.624.127.028.930.333.532.134.234.632.437.336.336.637.838.343.137.637.437.237.842.041.442.141.642.346.636.740.340.741.541.538.236.333.132.031.932.432.434.029.229.029.229.520.2

us-gaap:LongTermDebtNoncurrent us-gaap:LongtermDebtType

lh:SeniorNotesDue2020


Long
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value500500604603599597599594604604617612618614640639642621638619634618617613611606600600600600600600600600600600600
Percentage of LongTermDebtNoncurrent9.28.69.99.810.99.99.99.89.59.58.610.911.411.611.710.710.810.410.610.19.623.121.221.121.123.825.127.627.627.630.430.228.833.933.633.232.8
Percentage of Assets2.52.83.43.43.53.73.63.63.63.63.74.14.34.34.44.54.54.44.44.34.58.58.58.68.79.19.19.18.88.89.89.89.89.99.79.79.7
Percentage of Assets lh:SeniorNotesDue20200.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

lh:SeniorNotesDue2022


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value5005005005005005005005005005005005005005005005005005005005005005005005005005005005005005005005005005000.0
Percentage of LongTermDebtNoncurrent9.29.29.28.68.68.28.19.18.38.38.37.97.96.98.99.39.49.18.48.48.38.38.27.618.617.117.217.217.319.620.923.023.023.00.0
Percentage of Assets2.52.72.82.92.82.82.82.93.13.03.03.03.03.03.43.53.53.53.53.53.53.53.53.56.86.97.07.27.27.57.67.67.47.30.0
Percentage of Assets lh:SeniorNotesDue20220.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

lh:SeniorNotesDue2031


Long
Period End2021-06-30
Value509
Percentage of LongTermDebtNoncurrent9.4
Percentage of Assets2.5
Percentage of Assets lh:SeniorNotesDue20310.0

lh:Seniornotesdue2023


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value3003003003003003003003003003003003003003003003003003003003003003003003003003003003003003003000.0
Percentage of LongTermDebtNoncurrent5.56.15.55.55.55.25.24.94.95.55.05.05.04.74.74.25.35.65.75.55.05.05.05.04.94.511.210.310.310.310.40.0
Percentage of Assets1.51.51.51.61.71.71.71.71.71.81.91.81.81.81.81.82.02.12.12.12.12.12.12.12.12.14.14.14.24.34.30.0
Percentage of Assets lh:Seniornotesdue20230.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

lh:Seniornotesdue2024Member


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value6004006006006004006006006006006006006006006000.0
Percentage of LongTermDebtNoncurrent12.27.411.111.110.46.99.89.810.99.99.99.99.49.58.30.0
Percentage of Assets2.92.03.23.43.52.23.43.43.53.73.63.63.63.63.60.0
Percentage of Assets lh:Seniornotesdue2024Member0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

lh:Seniornotesdue2025Member


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010000.0
Percentage of LongTermDebtNoncurrent18.420.318.518.518.517.317.316.416.318.216.616.516.615.715.813.917.818.518.918.316.816.816.716.616.415.20.0
Percentage of Assets4.94.95.05.35.65.85.55.65.65.96.26.06.15.96.06.06.76.97.06.97.06.97.06.96.97.10.0
Percentage of Assets lh:Seniornotesdue2025Member0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

lh:Seniornotesdue2027


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value6006006006006006006006006006006006006006006006000.0
Percentage of LongTermDebtNoncurrent11.112.211.111.111.110.410.49.89.810.99.99.99.99.49.58.30.0
Percentage of Assets2.92.93.03.23.43.53.33.43.43.53.73.63.63.63.63.60.0
Percentage of Assets lh:Seniornotesdue20270.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

lh:Seniornotesdue2045


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value9009009009009009009009009009009009009009009009009009009009009009009009009009000.0
Percentage of LongTermDebtNoncurrent16.618.316.616.616.615.515.514.814.716.414.914.914.914.214.212.516.016.717.016.415.115.115.015.014.713.60.0
Percentage of Assets4.44.44.54.85.05.25.05.05.15.35.65.45.55.35.45.46.06.26.36.26.36.26.36.26.26.40.0
Percentage of Assets lh:Seniornotesdue20450.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value502486526473415369383348368307334343371372378403401394392330320322323351370338274223249254266303303302307223227235227169166155151158
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.52.42.62.52.32.12.12.02.11.82.12.12.32.22.32.42.72.72.82.32.32.22.32.42.62.43.83.13.53.63.84.54.64.64.53.33.73.83.72.82.72.52.43.3

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6456576776026156095965305865020.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets3.23.23.43.23.43.53.33.03.33.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation

lh:OperatingLeaseLiabilityNoncurrent


Operating
Period End2020-12-312019-12-31
Value677596
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets3.43.3
Percentage of Assets lh:OperatingLeaseLiabilityNoncurrent0.00.0

us-gaap:OtherNoncurrentLiabilities


Operating
Period End2020-12-312019-12-31
Value677596
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets3.43.3
Percentage of Assets us-gaap:OtherNoncurrentLiabilities0.00.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseLiability

us-gaap:LiabilitiesTotal


Operating
Period End2020-12-312019-12-31
Value869803
Percentage of OperatingLeaseLiability100.0100.0
Percentage of Assets4.34.5
Percentage of Assets us-gaap:LiabilitiesTotal0.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value1000
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets5.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value131
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.7

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value102451002193598239735270207567723171447111697172487037698468306125587856505505552353135166494449134769451728202770265625012491256526632778271727162631259725032543257924002466227022092158210616881725
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.249.146.644.041.240.641.940.540.341.943.143.542.641.541.236.739.439.238.638.137.435.934.834.133.031.938.638.337.235.835.838.440.442.340.039.943.242.440.842.041.838.739.90.00.00.043.50.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-181.2-226.5-161.9-314.6-449.0-517.9-372.4-502.2-411.9-439.5-463.1-407.8-407.0-281.2-333.7-342.5-384.3-527.1-581.1-378.0-357.4-258.3-367.4-168.5-99.8-131.1-10.5405845665236536969495945701091048878597861-16.7120
Percentage of StockholdersEquity-1.8-2.3-1.7-3.8-6.1-7.4-4.9-6.9-5.8-6.2-6.6-5.6-5.8-4.0-4.9-5.6-6.5-9.3-10.6-6.8-6.7-5.0-7.4-3.4-2.1-2.9-0.41.52.21.82.72.01.41.92.62.61.92.31.82.84.24.43.63.42.73.62.9-1.07.0
Percentage of Assets-0.9-1.1-0.8-1.7-2.5-3.0-2.1-2.8-2.3-2.6-2.9-2.4-2.5-1.7-2.0-2.1-2.6-3.7-4.1-2.6-2.5-1.8-2.6-1.2-0.7-0.9-0.10.60.80.71.00.80.60.81.01.00.81.00.71.21.81.71.40.00.00.01.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value6711080320.0264791140114511828193419691989199819722051213121302088202219741937187718230.00.00.00.00.00.00.00.00.00.00.00.00.00.07217530.00.00.036237460
Percentage of StockholdersEquity0.71.21.00.40.00.40.71.319.720.825.227.528.229.132.633.636.338.738.639.339.239.939.439.440.40.00.00.00.00.00.00.00.00.00.00.00.00.00.02.80.72.20.00.00.01.714.126.7
Percentage of Assets0.30.50.40.20.00.10.30.58.39.011.011.711.712.012.013.214.215.014.714.714.013.913.413.012.90.00.00.00.00.00.00.00.00.00.00.00.00.00.01.20.30.90.00.00.00.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value8.99.09.09.09.09.09.09.09.111111112121212121212121212121212121010101010101111111111111111121212121212121213
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.40.40.40.40.40.40.40.40.40.40.40.40.50.50.50.50.50.50.60.60.60.80.8
Percentage of Assets0.00.00.00.00.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.00.00.00.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value104171017194028464776075297903767674557265707969216603636961965517533651484955477045814383422341083955378637863685355334083373346135743667358835873522346933873402332632033246311430723002292723842028
Percentage of StockholdersEquity101.7101.5100.5102.7105.5107.2104.4106.2104.4102.2101.695.593.891.290.790.190.891.190.086.486.284.885.483.682.983.8134.2133.0133.8136.3135.4134.9134.2132.0132.1132.1133.9133.6135.3133.8128.9133.5131.6137.2139.1139.1139.0141.2117.6
Percentage of Assets51.049.846.845.243.543.543.843.042.042.843.741.540.037.837.433.135.835.734.832.932.330.429.728.527.326.851.951.049.748.848.451.854.255.852.852.657.856.655.256.253.951.752.50.00.00.060.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8.99.09.09.09.09.09.09.09.11111111212121212121212121212121212101010101010111111111111111112121212
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.3

us-gaap:CommonStockValue us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value9.09.0111212121010
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.10.10.10.10.10.2
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6711080320.0264791140114511828193419691989199819722051213121302088202219741937187718230.00.00.00.00.00.00.00.00.00.00.00.00.00.072175336
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0
Percentage of Assets0.30.50.40.20.00.10.30.58.39.011.011.711.712.012.013.214.215.014.714.714.013.913.413.012.90.00.00.00.00.00.00.00.00.00.00.00.00.00.01.20.30.90.8

us-gaap:AdditionalPaidInCapitalCommonStock us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Additional
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1102614511989213119740.00.0
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets0.50.19.012.015.013.90.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1041710171940284647760752979037676745572657079692166036369622455175336514849554770458143834223410839553786378636853553340833733461357436673588358735223469338734023326320332462927
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.049.846.845.243.543.543.843.042.042.843.741.540.037.837.633.135.835.734.832.932.330.429.728.527.326.851.951.049.748.848.451.854.255.852.852.657.856.655.256.253.951.752.560.5

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Retained
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value94027903707962244955422337863373
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.843.843.737.634.829.751.948.4
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-181.2-226.5-161.9-314.6-449.0-517.9-372.4-502.2-411.9-439.5-463.1-407.8-407.0-281.2-335.7-342.5-384.3-527.1-581.1-378.0-357.4-258.3-287.0-168.5-99.8-131.1-10.5405845665236536969495945701091048861-16.7120
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.9-1.1-0.8-1.7-2.5-3.0-2.1-2.8-2.3-2.6-2.9-2.4-2.5-1.7-2.0-2.1-2.6-3.7-4.1-2.6-2.5-1.8-2.0-1.2-0.7-0.9-0.10.60.80.71.00.80.60.81.01.00.81.00.71.21.81.71.41.30.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-161.9-372.4-463.1-335.7-581.1-287.0-10.566
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.8-2.1-2.9-2.0-4.1-2.0-0.11.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value232827391731-199.9252018-75.0252333252727715.94.624232726101111118.46.810115.9111111111112131010108.7
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value232827391731262520182625233325272724253124232726101111118.46.810115.9111111111112131010108.7
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0-13.3100.0100.0100.0-34.9100.0100.0100.0100.0100.0100.034.0437.3691.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4871157774786370203569455253165486297367154564350310233448260343123384288396-86.9213175207142248234137198254203186197278176184215259176216232
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.017.320.213.47.219.315.68.85.917.410.512.85.420.513.212.29.618.810.814.15.217.112.417.5-4.814.111.313.79.917.316.09.413.818.114.413.113.820.412.613.215.720.013.817.519.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-132.4-127.99999999999994-285.20000000000005-123.4-106.6-152.1-239.7-750.8-140.5-146.9549-122.0-74.3-178.3-1313.5-491.4-245.5-219.6-317.7-106.8-151.6-128.6-82.7-132.3-3651.3-147.3-55.6-39.1-108.1-112.8-47.2-138.1-61.5-121.9-310.7-65.4-36.2-121.3-41.7-72.8-44.5-995.0-88.6-177.4-56.5
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-2.9-7.3-4.5-3.8-5.1-8.2-26.1-5.0-5.319.4-4.3-2.6-6.5-49.5-19.3-10.0-9.2-13.2-4.4-6.4-5.7-3.6-5.8-203.6-9.7-3.6-2.6-7.6-7.8-3.2-9.4-4.3-8.7-21.9-4.6-2.5-8.9-3.0-5.2-3.3-76.8-6.9-14.3-4.7

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-325.4-450.1-1.0-396.7-16.9-102.8-449.4-115.0414-103.2-802.9-174.0-373.0-40.0-479.41064106-59.8-348.1-3.8-301.83.9-239.6-86.7-118.83629-58.8-18.4-25.4-98.095-126.8-74.1-412.8-130.7446-125.1-191.6-83.4-166.7-187.8-207.1868-95.2-105.5-152.9
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.0-0.0-10.2-0.6-3.6-15.2-3.914.4-3.7-28.8-6.1-13.0-1.4-17.540.14.2-2.4-14.6-0.2-12.40.2-10.7-3.7-5.2202.4-3.9-1.2-1.7-6.86.6-8.7-5.0-28.6-9.331.5-8.8-13.5-6.1-11.9-13.4-15.167.1-7.5-8.5-12.8

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value72570653110233-13.9-23.695-83.4-78.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.014.62.88.4-0.5-0.83.3-2.9-2.8

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-57.7-27.81.5-19.1-34.55.15.98.1-1.91733-23.90.036-525.74.5-23.31849-38.12518-17.4-11.1-22.31731-2.4-11.210270.018108.4111220138.5-18.5-1.015-5.6-6.510.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1871831831521431441551441391371371331381421451331271281301211251221131211181046358626059575655595756565757575852505050
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-27.4-16.9-22.6106-32.4-56.51580-80.2-28.812311-31.5-59.85658-1.0-28.047-2.0-20.2-34.1559.515-48.9-5.09.51.4-27.1358.36.810-10.63.99.0-32.33216-14.7-42.659-18.023-14.8
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-118.3-146.7366422170-46.7-80.2530.390-58.721-66.853-80.9477.527-23.79.6-6.2105-18.1361340-28.6118.839-28.0-4.22375-49.814-15.550-28.812410-68.5-74.3861.4-38.4
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value124.7494987107.4125.1-3.4104.16.1-1.410.05.75.6-4.94.85.41.8-2.49.8-0.1-5.3-4.2-1.04.7-0.5-2.99.7-0.12.53.22.01.07.2-3.95.23.6-8.35.6-3.5-6.1-3.97.7
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4871157774786370203569455253165486297367154564350310233448260343123384288396-86.9213175207142248234137198254203186197278176184215259176216232
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.017.320.213.47.219.315.68.85.917.410.512.85.420.513.212.29.618.810.814.15.217.112.417.5-4.814.111.313.79.917.316.09.413.818.114.413.113.820.412.613.215.720.013.817.519.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value467769938703231-317.22272201901851573182331737061801881921841791981601141521680.7119137141113126148151147120148153161135134122127131140153132142131136132
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.020.918.18.4-11.27.77.56.66.65.711.38.26.125.86.87.47.97.77.48.26.85.16.67.40.07.98.89.37.98.810.110.310.28.610.410.811.49.99.68.89.310.211.012.411.112.211.111.511.5

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value467769703231-317.22201901851573182331737061801881921841891981601141521690.7119137141113126148152147120148153161135134122127131140153132
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0105.5100.0100.0100.1100.1100.4100.0100.0100.0100.0100.099.9100.0100.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.018.18.4-11.27.56.66.65.711.38.26.125.86.87.47.97.77.88.26.85.16.67.40.07.98.89.37.98.810.110.410.28.610.410.811.49.99.68.89.310.211.012.411.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value468770938703231-316.92272211901851583192341727091831881921841791981601141531681.0119137141113126148152147120148153162138137126130135143157136
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.020.918.18.4-11.27.77.56.66.75.711.38.26.125.86.97.47.97.77.48.26.85.16.67.40.17.98.99.37.98.810.210.410.28.610.510.811.410.19.89.09.510.411.212.711.4

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2328262739172331262520182625233325272724253124232726101111118.46.810115.9111111111112131010108.7
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-132.4-127.99999999999994-285.20000000000005-123.4-106.6-152.1-239.7-750.8-140.5-146.9549-122.0-74.3-178.3-1313.5-491.4-245.5-219.6-317.7-106.8-151.6-128.6-82.7-132.3-3651.3-147.3-55.6-39.1-108.1-112.8-47.2-138.1-61.5-121.9-310.7-65.4-36.2-121.3-41.7-72.8-44.5-995.0-88.6-177.4-56.5
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-2.9-7.3-4.5-3.8-5.1-8.2-26.1-5.0-5.319.4-4.3-2.6-6.5-49.5-19.3-10.0-9.2-13.2-4.4-6.4-5.7-3.6-5.8-203.6-9.7-3.6-2.6-7.6-7.8-3.2-9.4-4.3-8.7-21.9-4.6-2.5-8.9-3.0-5.2-3.3-76.8-6.9-14.3-4.7

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value97959977981061289285941229787729675697274666771856769334652485659524841614434343040452932343424
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-325.4-450.1-1.0-396.7-16.9-102.8-449.4-115.0414-103.2-802.9-174.0-373.0-40.0-479.41064106-59.8-348.1-3.8-301.83.9-239.6-86.7-118.83629-58.8-18.4-25.4-98.095-126.8-74.1-412.8-130.7446-125.1-191.6-83.4-166.7-187.8-207.1868-95.2-105.5-152.9
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.0-0.0-10.2-0.6-3.6-15.2-3.914.4-3.7-28.8-6.1-13.0-1.4-17.540.14.2-2.4-14.6-0.2-12.40.2-10.7-3.7-5.2202.4-3.9-1.2-1.7-6.86.6-8.7-5.0-28.6-9.331.5-8.8-13.5-6.1-11.9-13.4-15.167.1-7.5-8.5-12.8

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value300680.00.00.01005010019910040015075754042108148430.00.00.00.00.00.00.0396556107250286365113136127130122175146602620.0121115100
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateStatedPercentage

lh:SeniorNotesDue2020


Debt
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312015-01-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302010-11-19
Value4.6254.6250.046250.046250.046250.046250.046250.046250.046250.046250.046250.046250.046250.046250.046250.026250.046250.046250.046250.046250.046250.046250.046250.046250.046250.04625
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations lh:SeniorNotesDue20200.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value500000.0600000.0800000.01200000.01600000.02300000.03300000.04600000.06900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value148.39125.26100.386.5582.4381.1481.0780.1877.62
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value83089188487711781204747749737669-669.7-635.0
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value511447221235366310235210248265191173
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value484848414032312425171818252119141619181724242728281621252525323738364055555254575553597255
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-31
Value16714546423232311414151516161718181716161818181819151414-11.4-3.9
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:AllowanceforCreditLossWriteOff

lh:AllowanceforCreditLossWriteOff


Allowancefor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value100000.0600000.01600000.03300000.0500000.0500000.0
Percentage of AllowanceforCreditLossWriteOff100.0100.0100.0100.0100.0100.0

lh:AllowanceforCreditLossWriteOff us-gaap:BalanceSheetLocation

lh:UnbilledContractsReceivable


Allowancefor
Period End2020-12-312020-09-302020-06-302020-03-31
Value100000.000100000.0
Percentage of AllowanceforCreditLossWriteOff6.20.00.020.0

us-gaap:AccountsReceivable


Allowancefor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value200000.0600000.01500000.03300000.0500000.0400000.0
Percentage of AllowanceforCreditLossWriteOff200.0100.093.8100.0100.080.0

lh:CARESActProviderReliefFunding

lh:CARESActProviderReliefFunding


C
Period End2020-09-302020-06-30
Value7655
Percentage of CARESActProviderReliefFunding100.0100.0

lh:CashPaymentReceivedAppropriatedbyU.S.CongressCovid19

lh:CashPaymentReceivedAppropriatedbyU.S.CongressCovid19


Cash
Period End2020-09-302020-04-30
Value7655
Percentage of CashPaymentReceivedAppropriatedbyU.S.CongressCovid19100.0100.0

lh:CommonsStockIssuedDuringPeriodSharesEmployeeStockPlans us-gaap:StatementClassOfStock

lh:CommonsStockIssuedDuringPeriodSharesEmployeeStockPlans

us-gaap:CommonStock


Commons
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0600000.0200000.0300000.0700000.0500000.0400000.0600000.01600000.01200000.01100000.0
Percentage of CommonsStockIssuedDuringPeriodSharesEmployeeStockPlans0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:Contingentconsiderationadjustment

lh:Contingentconsiderationadjustment


Contingentconsiderationadjustment
Period End2021-06-302021-03-312020-12-312019-12-31
Value0.01.14.725
Percentage of Contingentconsiderationadjustment0.0100.0100.0100.0

lh:CostMethodInvestmentsMaximumOwnershipPercentage

lh:CostMethodInvestmentsMaximumOwnershipPercentage


Cost
Period End2021-06-302021-03-312020-12-31
Value020.00
Percentage of CostMethodInvestmentsMaximumOwnershipPercentage0.0100.00.0

lh:CreditLossExpenseReversal

lh:CreditLossExpenseReversal


Credit
Period End2020-12-31
Value2.1
Percentage of CreditLossExpenseReversal100.0

lh:CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings

lh:CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value100000.0-500000.00-100000.0100000.07000000.0
Percentage of CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings100.0100.00.0100.0100.0100.0

lh:CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings us-gaap:BalanceSheetLocation

lh:UnbilledContractsReceivable


Current
Period End2020-12-312020-09-302020-06-302020-03-31
Value000200000.0
Percentage of CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings0.0-0.00.02.9

us-gaap:AccountsReceivable


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value100000.0-500000.00-100000.0100000.01800000.0
Percentage of CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings100.0100.00.0100.0100.025.7

us-gaap:NotesReceivable


Current
Period End2020-12-312020-09-302020-06-302020-03-31
Value0005000000.0
Percentage of CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings0.0-0.00.071.4

lh:DecreaseinCapitalExpendituresIncurredbutnotyetPaid

lh:DecreaseinCapitalExpendituresIncurredbutnotyetPaid


Decreasein
Period End2021-03-31
Value4.8
Percentage of DecreaseinCapitalExpendituresIncurredbutnotyetPaid100.0

lh:DefinedContributionPlanTotalExpense

lh:DefinedContributionPlanTotalExpense


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10014131316161616
Percentage of DefinedContributionPlanTotalExpense100.0100.0100.0100.0100.0100.0100.0100.0

lh:DepreciationAndAmortizationOfLeasedAssets

lh:DepreciationAndAmortizationOfLeasedAssets


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-31
Value484849464657505032613110.00.00.0306311269157
Percentage of DepreciationAndAmortizationOfLeasedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0

lh:DiscretionaryContributionPercentageMaximum

lh:DiscretionaryContributionPercentageMaximum


Discretionary
Period End2020-09-302019-09-302019-06-30
Value3.00.030.03
Percentage of DiscretionaryContributionPercentageMaximum100.0100.0100.0

lh:DiscretionaryContributionPercentageMinimum

lh:DiscretionaryContributionPercentageMinimum


Discretionary
Period End2020-09-30
Value1.0
Percentage of DiscretionaryContributionPercentageMinimum100.0

lh:Impairmentoffloatingratenotereceivable us-gaap:StatementBusinessSegments

lh:Impairmentoffloatingratenotereceivable

lh:LabCorpDiagnostics


Impairmentoffloatingratenotereceivableus-gaap:
Period End2020-09-30
Value700000.0
Percentage of Impairmentoffloatingratenotereceivable100.0

lh:IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest

lh:IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value6501021947297-267.728727025449931224128128527926331325625026430219232187230250
Percentage of IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:IncreaseDecreaseinUnbilledContractReceivable

lh:IncreaseDecreaseinUnbilledContractReceivable


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value574258571.1-7.94126
Percentage of IncreaseDecreaseinUnbilledContractReceivable100.0100.0100.0100.0100.0100.0100.0100.0

lh:InterestPaidInCash

lh:InterestPaidInCash


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31772084318032922499198891966472307131753271397239144318371827142628261128114910261318131013
Percentage of InterestPaidInCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:Issuanceofcommonstockunderemployeeplans

lh:Issuanceofcommonstockunderemployeeplans


Issuanceofcommonstockunderemployeeplans
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value1.924211.8260.320191.1-20.1250.325200.5181530253347421617
Percentage of Issuanceofcommonstockunderemployeeplans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:Issuanceofcommonstockunderemployeeplans us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Issuanceofcommonstockunderemployeeplansus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value1.924211.826259.224241428334.42626281130253347421617
Percentage of Issuanceofcommonstockunderemployeeplans100.0100.0100.0100.0100.08366.744.4127.32218.2-72.6113.611266.717.3130.05340.0159.478.8100.0100.099.7100.0100.0100.0100.0

lh:NetDefinedBenefitPlanAmortizationAndDeferral us-gaap:RetirementPlanType

lh:NetDefinedBenefitPlanAmortizationAndDeferral

us-gaap:PensionPlansDefinedBenefit


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value2400000.02200000.02600000.03000000.02600000.02600000.02900000.03100000.02800000.02700000.02700000.02800000.02800000.02800000.0
Percentage of NetDefinedBenefitPlanAmortizationAndDeferral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:NetProceedsFromIssuanceOfStockToEmployees

lh:NetProceedsFromIssuanceOfStockToEmployees


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.9245.3211.9265.7259.2241.72414288.4334.4273.22628119.733253016251710228103117267.18.46438397.71818
Percentage of NetProceedsFromIssuanceOfStockToEmployees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:NonElectiveContribution

lh:NonElectiveContribution


Non
Period End2020-09-30
Value3.0
Percentage of NonElectiveContribution100.0

lh:NoteReceivableCreditLossExpenseReversal

lh:NoteReceivableCreditLossExpenseReversal


Note
Period End2020-12-31
Value0
Percentage of NoteReceivableCreditLossExpenseReversal0.0

lh:OtherFinancingCashFlows

lh:OtherFinancingCashFlows


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value123.23.85.89.37.73.44.88.78.4
Percentage of OtherFinancingCashFlows100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:PercentofRevenueContributed

lh:PercentofRevenueContributed


Percentof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value100.0100.00100.01.01.001.01.01.001.01.01.001.01.01.0
Percentage of PercentofRevenueContributed100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

lh:RestructuringImpairment

lh:RestructuringImpairment


Restructuring
Period End2020-09-302020-06-302020-03-31
Value153.34.7
Percentage of RestructuringImpairment100.0100.0100.0

lh:RestructuringImpairment us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:FacilityClosing, lh:CovanceDrugDevelopment


Restructuring
Period End2020-09-302020-06-302020-03-31
Value9.33.34.7
Percentage of RestructuringImpairment61.6100.0100.0

us-gaap:FacilityClosing, lh:LabCorpDiagnostics


Restructuring
Period End2020-09-302020-06-302020-03-31
Value5.80.00.0
Percentage of RestructuringImpairment38.40.00.0

lh:RestructuringReserveSettledWithCashAndOtherAdjustment

lh:RestructuringReserveSettledWithCashAndOtherAdjustment


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value7.517-4.6186.6257.61216151615121614283618237.61014265.93.9194.55.819-8.15.24.24.99.4137.65.42.749-7.7-15.65.3
Percentage of RestructuringReserveSettledWithCashAndOtherAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:RestructuringReserveSettledWithCashAndOtherAdjustment us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:EmployeeSeverance, lh:CovanceDrugDevelopment


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.21.96.6-0.64.44.12.54.34.28.05.13.97.37.011139.3135.17.08.6
Percentage of RestructuringReserveSettledWithCashAndOtherAdjustment16.010.735.5-9.117.253.920.825.726.849.734.032.245.647.040.836.449.258.067.168.060.1

us-gaap:EmployeeSeverance, lh:LabCorpDiagnostics


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.42.41.42.70.31.73.42.7104.34.010-3.029-3.2-5.2-5.34.22.21.52.0
Percentage of RestructuringReserveSettledWithCashAndOtherAdjustment32.013.67.540.91.222.428.316.269.426.726.783.5-18.8200.0-11.3-14.2-28.018.228.914.614.0

us-gaap:FacilityClosing, lh:CovanceDrugDevelopment


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.08.18.33.31219-2.8-8.61.4-22.54.79.4-3.7-1.7-9.5-16.2-3.4-13.70.8-4.27.1
Percentage of RestructuringReserveSettledWithCashAndOtherAdjustment13.345.844.650.047.7257.9-23.3-51.58.9-139.831.377.7-23.1-11.4-33.7-44.4-18.0-59.310.5-40.849.7

us-gaap:FacilityClosing, lh:LabCorpDiagnostics


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.8999999999999995.32.31.28.72.23.31.12.02.11.22.12.03.84.01.80.9-8.21.1-2.410
Percentage of RestructuringReserveSettledWithCashAndOtherAdjustment38.729.912.418.234.028.927.56.612.713.08.017.412.525.514.24.94.8-35.514.5-23.375.5

lh:SeveranceReserveAdjustments

lh:SeveranceReserveAdjustments


Severance
Period End2021-06-302020-06-30
Value100000.01100000.0
Percentage of SeveranceReserveAdjustments100.0100.0

lh:UnbilledServicesCreditLossExpenseReversal

lh:UnbilledServicesCreditLossExpenseReversal


Unbilled
Period End2020-12-31
Value5100000.0
Percentage of UnbilledServicesCreditLossExpenseReversal100.0

lh:Unusedfacilityrestructuringreserves

lh:Unusedfacilityrestructuringreserves


Unusedfacilityrestructuringreserves
Period End2021-06-302021-03-312020-09-302020-06-302019-12-312018-09-302017-09-30
Value100000.0100000.07600000.05500000.0400000.0300000.00
Percentage of Unusedfacilityrestructuringreserves100.0100.0100.0100.0100.0100.00.0

us-gaap:AdjustmentForAmortization us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

us-gaap:AdjustmentForAmortization

us-gaap:TradeNames, lh:Covance


Adjustment
Period End2021-06-302021-03-31
Value2829
Percentage of AdjustmentForAmortization100.0100.0

us-gaap:AmortizationOfDeferredSalesCommissions

us-gaap:AmortizationOfDeferredSalesCommissions


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.46.96.46.05.55.35.95.85.14.54.14.24.44.23.73.53.43.7
Percentage of AmortizationOfDeferredSalesCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss


Business
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302018-06-302017-12-312017-09-302016-12-312016-09-302014-09-302014-06-30
Value744231218224194172706176180171172127
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessAcquisitionsProFormaRevenue


Business
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302014-09-302014-06-30
Value3899277029142969294122222203
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1


Business
Period End2020-12-312020-09-302019-03-312016-03-312015-03-312014-03-31
Value4.80.00.04.91.710
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1100.00.00.0100.0100.0100.0

us-gaap:BusinessExitCosts1

us-gaap:BusinessExitCosts1


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value3.515-5.14.04.2152.98.5103.33.06.31.31.20.9124.31.63.19.14.6176.72.48.6161.71.60.24.90.72.54.51.817
Percentage of BusinessExitCosts1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostAmortization

us-gaap:CapitalizedContractCostAmortization


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.03.52.52.32.33.02.62.31.91.81.10.81.90.60.00.10.10.1
Percentage of CapitalizedContractCostAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1


Change
Period End2020-12-312020-09-302020-06-302019-09-302019-06-302018-09-302018-06-30
Value-28.4-23.1-8.818-7.8-16.124
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value121636314.09.7216748390.510-12.522
Percentage of ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueRevenueRecognized1

us-gaap:DeferredRevenueRevenueRecognized1


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-31
Value8015225135-19.6121177158103599.264714655
Percentage of DeferredRevenueRevenueRecognized1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3.73.83.73.83.73.83.84.24.14.14.14.04.14.14.14.24.24.2
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2.82.82.83.53.43.53.53.23.33.23.33.63.53.53.73.93.93.9
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2.82.53.03.43.83.33.3103.43.43.43.63.53.53.83.83.73.7
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.31.31.31.01.11.01.01.31.31.21.41.31.41.41.41.31.21.2
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedContributionPlanCostRecognized us-gaap:BusinessAcquisition

us-gaap:DefinedContributionPlanCostRecognized

lh:Covance


Defined
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value21202318171916161814131512121311114.7
Percentage of DefinedContributionPlanCostRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch


Defined
Period End2020-09-30
Value4.5
Percentage of DefinedContributionPlanEmployerMatchingContributionPercentOfMatch100.0

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:InterestRateSwap


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value01600000.00000000000
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet0.0100.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.0000000000000004-5.18.05.93.0-8.38.1-5.2-1.0-0.1-2.4-1.7-12.64.71.17.68.43.4-15.2-10.98.34.6-13.0-24.627-25.1-3.3-5.4-2.3-1.3-1.42.60.1-4.9-0.81.9-1.31.3-0.4-1.5-0.81.00.70.7-1.71.1
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss us-gaap:DerivativeInstrumentRisk

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss

us-gaap:CurrencySwap


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-13.637-31.6-23.1-8.819-16.818-7.81113-16.2-24.3-0.1
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateSwap


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0-0.1-0.91.8-0.50.44.32.5-3.66.1-10.00.3
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss-0.00.410.29.03.02.1-55.121.7-26.7-37.741.2-300.0

us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:FinitelivedIntangibleAssetsAcquired1


Finitelived
Period End2021-06-302021-03-31
Value0.017
Percentage of FinitelivedIntangibleAssetsAcquired10.0100.0

us-gaap:FinitelivedIntangibleAssetsAcquired1 us-gaap:BusinessAcquisition

lh:Otheracquirees


Finitelived
Period End2020-12-312020-09-302019-12-312019-09-30
Value3279-139.8233
Percentage of FinitelivedIntangibleAssetsAcquired10.00.00.00.0

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillAcquiredDuringPeriod


Goodwill
Period End2021-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value15226.858593187469.10.011
Percentage of GoodwillAcquiredDuringPeriod100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:GoodwillAcquiredDuringPeriod us-gaap:StatementBusinessSegments

lh:LabCorpDiagnostics


Goodwill
Period End2021-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value157.83.9565911
Percentage of GoodwillAcquiredDuringPeriod100.035.357.496.9100.00.4

us-gaap:GoodwillImpairmentLoss

us-gaap:GoodwillImpairmentLoss


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0422
Percentage of GoodwillImpairmentLoss0.00.00.0100.0

us-gaap:GoodwillImpairmentLoss us-gaap:StatementBusinessSegments

lh:CovanceDrugDevelopment


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.04180.00.0418
Percentage of GoodwillImpairmentLoss0.00.00.00.099.1

lh:LabCorpDiagnostics


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.03.70.00.03.7
Percentage of GoodwillImpairmentLoss0.00.00.00.00.9

us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments

us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value24-46.61106026-54.195-77.92.03.5-12.6-31.1-69.837127.85619-105.9-9.3-61.91.1-2.0-6.70.7-4.8-2.1-2.82.1-2.4-4.9-0.3-1.50.8-3.41.6-1.3-1.50.2-4.7-1.70.5
Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments us-gaap:StatementBusinessSegments

lh:CovanceDrugDevelopment


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value22-51.16813-47.593-76.90.33.3-9.4-30.3-68.2396.67.26020-167.3-7.4-132.322-0.10.00.10.00.00.00.00.0
Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments94.6109.7114.350.287.898.398.715.094.374.697.497.7104.853.792.3107.5105.1158.079.6213.72018.25.0-0.014.3-0.0-0.0-0.00.0-0.0

lh:LabCorpDiagnostics


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.34.5-8.613-6.61.6-1.01.70.2-3.2-0.8-1.6-1.85.70.6-4.2-1.061-1.970-21.1-1.9-6.70.6-4.8
Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments5.4-9.7-14.349.812.21.71.385.05.725.42.62.3-4.846.37.7-7.5-5.1-58.020.4-113.7-1918.295.0100.085.7100.0

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill

us-gaap:CustomerRelationships, lh:CovanceDrugDevelopment


Impairment
Period End2020-09-30
Value10
Percentage of ImpairmentOfIntangibleAssetsExcludingGoodwill100.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value-234.795-65.10000000000002268203-149.133-7.0-22.2-136.6-11.0155-33.0-83.539-43.528-39.4-35.715-19.6-47.08.91384-145.0-10.7
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInDeferredRevenue


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5.9314.31540-11.2394.0-10.65.660-102.7-17.9269.08.9-7.28.36.5-9.312193.7-0.9-11.5140.00.00.00.0
Percentage of IncreaseDecreaseInDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-20.951317.0-36.13.04810-8.9-7.21712-6.633-3.53.8-1.9211.022-25.922-38.8-8.6-22.67.71422-12.1-12.2274.47.9-7.0-3.68.0-1.7-9.80.7-35.28.016-2.1-22.46.05.0
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value800000.0900000.0700000.0400000.00700000.0700000.0900000.01000000.01000000.01500000.01400000.01200000.01700000.01500000.01100000.01400000.01200000.01200000.01200000.01100000.01100000.0900000.01100000.01100000.01000000.01000000.01000000.01200000.01100000.01300000.01300000.0800000.0900000.0800000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-31
Value43-66.8
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax


Other
Period End2021-06-302021-03-312020-12-312017-03-312016-03-312015-03-312014-03-31
Value51-63.8131267-253.3-351.8-99.5
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value45-63.813813569-144.8123-89.42824-74.23.2-118.6423.56215759-301.5-29.0-98.1138-131.1-102.833-167.7-82.1-29.921-34.32324-28.1-24.5-0.532-17.323
Percentage of OtherComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value43-66.821113266-147.5149-92.62521-94.40.3-121.939-14.05915759-261.7-27.4-95.9134-137.3-102.832-168.5-40.4-48.635-36.0-26.522-31.4-27.7-7.832-17.323
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax


Other
Period End2021-06-302021-03-312020-12-312017-03-312016-03-312015-03-312014-03-31
Value7.23.0-80.42.4-3.319-12.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-2.1-3.073-2.1-2.7-2.726-3.2-2.8-2.7-20.2-2.9-3.3-2.9-17.5-2.3-0.5-0.6391.62.2-3.4-6.30.0-0.5-0.943-20.7-2.2-2.3-33.1-2.5-3.3-3.2
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax


Other
Period End2021-06-302021-03-312020-12-312017-03-312016-03-312015-03-312014-03-31
Value0.60.810.0-3.54.3-3.57.1
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.60.8-14.20.60.70.7-6.10.90.80.7-18.94.07.2-10.2-3.320145.9-18.0-8.31.029-12.6-34.07.1-47.1-31.3-11.78.9-13.68.99.5-11.0-8.9-0.312-6.89.3-13.5-24.12.99.4-22.69.8-11.39.9
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.5-3.228-0.21243-19.0-8.8147.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value14280.59.5220.320191.12025
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.03458197110.02314965647380.0790.08312314161511512525093438.362362294-0.40.065504.8881549257250.0911.329159614414232
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition

lh:Otheracquirees


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value58191-30.04723145
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.097.0-265.50.0100.997.5

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

lh:Otheracquirees, us-gaap:SubsequentEvent


Payments
Period End2020-07-31
Value200
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0

us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToAcquireEquityMethodInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value6.45.5107.5137.96.25.5123.38.07.05.41.93.07.15.0210.42.27.82.10.36.61.23.67.34.47.41.13.20.01.02.31110.04.90.00.00.00.0
Percentage of PaymentsToAcquireEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromDebtNetOfIssuanceCosts


Proceeds
Period End2021-06-30
Value989
Percentage of ProceedsFromDebtNetOfIssuanceCosts100.0

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromLongTermLinesOfCredit


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.00.015122532861331854165229685745202291390.00.00.00.00.00.0600.00.00.00.00.0157225300.0220850.07950.00.0850.0653065
Percentage of ProceedsFromLongTermLinesOfCredit0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.00.00.00.00.00.0100.0100.0100.00.0100.0100.00.0100.00.00.0100.00.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfEquityMethodInvestments

us-gaap:ProceedsFromSaleOfEquityMethodInvestments


Proceeds
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value0.00.10.96.03.00.40.00.00.00.00.00.00.00.00.00.80.0120.00.00.08.031
Percentage of ProceedsFromSaleOfEquityMethodInvestments0.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0100.00.0100.00.00.00.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.12.641-6.10.27.01.91.60.33.90.0490.60.14.30.20.20.86.92.6182.50.10.00.20.30.50.60.10.20.50.20.20.20.31.41.00.50.10.52.70.40.91.50.81.6
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2020-12-312016-03-312015-03-312014-03-31
Value-3.0287265276
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value0.00.01518825113354180214883
Percentage of RepaymentsOfLinesOfCredit0.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfOtherLongTermDebt


Repayments
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value0.03757520.00.00.0-285.012585750.00.00.00.00.00.00.03500.00.00.00.00.11.60.10.0
Percentage of RepaymentsOfOtherLongTermDebt0.0100.0100.00.00.00.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.00.00.00.00.0100.0100.0100.00.0

us-gaap:RepaymentsOfSeniorDebt

us-gaap:RepaymentsOfSeniorDebt


Repayments
Period End2020-12-312018-12-312017-12-312017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.04000.10.01290.03250.02500.00.02500.00.00.00.0
Percentage of RepaymentsOfSeniorDebt0.0100.0100.00.0100.00.0100.00.0100.00.00.0100.00.00.00.00.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value9.6198.34.3118.8-1.5114.618131013149.922394.310239.121532614192.46.22.67.74.34.27.09.4
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:EmployeeSeverance, lh:CovanceDrugDevelopment


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.02.01.15.32.54.72.51.56.94.83.67.18.66.22.7150.81.97.23.21.3
Percentage of RestructuringCharges31.210.425.645.728.4-313.321.632.637.536.133.054.258.162.611.938.318.617.431.035.26.0

us-gaap:EmployeeSeverance, lh:LabCorpDiagnostics


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.02.21.20.62.12.03.42.09.95.53.34.72.72.72.04.91.85.96.91.33.2
Percentage of RestructuringCharges31.211.427.95.223.9-133.329.343.553.841.430.335.918.227.38.812.541.954.129.714.314.9

us-gaap:FacilityClosing, lh:CovanceDrugDevelopment


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.79.60.33.72.70.20.11.50.20.63.20.12.50.314161.72.39.04.116
Percentage of RestructuringCharges7.349.77.031.930.7-13.30.932.61.14.529.40.816.93.064.642.639.521.138.845.178.6

us-gaap:FacilityClosing, lh:LabCorpDiagnostics


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.95.51.72.01.5-4.85.6-0.41.42.40.81.21.00.73.32.60.00.80.10.50.1
Percentage of RestructuringCharges30.228.539.517.217.0320.048.3-8.77.618.07.39.26.87.114.66.60.07.30.45.50.5

us-gaap:RestructuringReserveAccrualAdjustment1

us-gaap:RestructuringReserveAccrualAdjustment1


Restructuring
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value0100000.07000000.0-300000.03400000.0200000.0100000.0-500000.01700000.0900000.0900000.0500000.03600000.01000000.0100000.0400000.01100000.0400000.0400000.0
Percentage of RestructuringReserveAccrualAdjustment10.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveAccrualAdjustment1 us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:EmployeeSeverance, lh:CovanceDrugDevelopment


Restructuring
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value100000.0-1500000.0600000.0-2000000.00100000.0400000.0-400000.0-300000.0-900000.00-2600000.0-800000.00-100000.0-400000.0-100000.0
Percentage of RestructuringReserveAccrualAdjustment1100.0-21.4-200.0-58.80.0100.0-80.0-23.5-33.3-100.00.0-72.2-80.00.0-25.0-36.4-25.0

us-gaap:EmployeeSeverance, lh:LabCorpDiagnostics


Restructuring
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-200000.0100000.00100000.0100000.00200000.0-100000.0400000.0000700000.0100000.00300000.000
Percentage of RestructuringReserveAccrualAdjustment10.0100.00.0-33.32.90.0200.020.023.50.00.00.019.410.00.075.00.00.0

us-gaap:FacilityClosing, lh:LabCorpDiagnostics


Restructuring
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value100000.0100000.0200000.0200000.0300000.0100000.000200000.000500000.000100000.00500000.00
Percentage of RestructuringReserveAccrualAdjustment10.0100.02.9-66.78.850.00.0-0.011.80.00.0100.00.00.0100.00.045.50.0

us-gaap:SeveranceCosts1

us-gaap:SeveranceCosts1


Severance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value6.14.21.32.35.45.16.75.93.516106.911118.94.7192.77.8144.54.5-2.9246.33.20.74.62.42.83.61.72.57.64.8
Percentage of SeveranceCosts1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14280.59.5220.32019250.90.333121.00.51.80.42.67.80.00.02.04.60.00.04.72.40.00.08.32.6120.0-3.3-2.70.00.00.0-2.4
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.00.00.00.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312014-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14280.59.5220.30.00.00.00.00.00.00.00.00.00.00.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures100.0100.0100.0100.0100.0100.00.00.00.00.00.0-0.0-0.00.00.00.0-0.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:StatementClassOfStock

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1.10.30.62.00.00.80.50.42.11.81.1
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodShares


Stock
Period End2020-09-302020-03-312019-09-302019-06-302019-03-31
Value300000.0600000.01000000.0800000.01300000.0
Percentage of StockRepurchasedDuringPeriodShares100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value30068680.0100100199100400150757540421081480.00.00.03965561072502863651131361271301221121-152.0-60.5-265.30.0-115.8-116.0-105.7
Percentage of StockRepurchasedDuringPeriodValue100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-78.0-68.5-68.50.0-49.6-99.9-199.8-100.0999-149.9-75.0-75.0635-42.1-107.9-147.9-2086.4525920180.00.00.01961592935241204516442943512-93.1-60.5-95.00.0-17.8-32.0-47.7
Percentage of StockRepurchasedDuringPeriodValue-26.0-100.0-100.00.0-49.6-99.9-99.9-99.9249.9-99.9-100.0-100.01589.5-100.0-99.9-99.90.00.00.00.00.00.00.050.693.0105.027.814.28.732.840.012.334.922.935.245.761.2100.035.80.015.427.645.1

us-gaap:CommonStock


Stock
Period End2021-06-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.10.00.0-0.1-0.1-0.10.4-0.10.00.00.40.0-0.1-0.1-12.10.00.1120.00.00.00.20.00.00.10.20.30.40.10.10.10.20.11.2-0.20.0-0.30.0-0.2-0.2-0.1
Percentage of StockRepurchasedDuringPeriodValue-0.00.00.0-0.1-0.1-0.10.1-0.10.00.01.00.0-0.1-0.10.00.00.00.00.00.00.00.50.00.00.10.10.10.10.10.10.10.20.10.10.1-0.00.10.00.20.20.1

us-gaap:RetainedEarnings


Stock
Period End2021-06-302020-06-302020-03-312019-12-312019-06-302019-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-221.90.0-50.4500.00.05152-4771.417920443870.00.00.0194.6-2.877214261244681198310079607-58.70.0-170.00.0-97.8-83.8-57.9
Percentage of StockRepurchasedDuringPeriodValue-74.00.0-50.40.00.00.03481.10.00.00.00.00.00.00.048.87.0-5.072.185.891.267.059.987.665.176.964.854.238.6-0.064.10.084.572.254.8

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-08-042021-05-032021-02-242020-10-282020-07-29
Value9697979797
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0100.0

lh:A2.30seniornotesdue2024

lh:A2.30seniornotesdue2024


A2.30seniornotesdue2024
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4004004004004004004000.0
Percentage of A2.30seniornotesdue2024100.0100.0100.0100.0100.0100.0100.00.0

lh:A2.95seniornotesdue2029

lh:A2.95seniornotesdue2029


A2.95seniornotesdue2029
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6506506506506506506500.0
Percentage of A2.95seniornotesdue2029100.0100.0100.0100.0100.0100.0100.00.0

lh:A2019TermLoan

lh:A2019TermLoan


A2019
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-06-032018-12-31
Value0.00.03753753753758500.0
Percentage of A2019TermLoan0.00.0100.0100.0100.0100.0100.00.0

lh:A2019TermLoan us-gaap:ShortTermDebtType

lh:A2019TermLoan


A2019
Period End2020-12-31
Value375
Percentage of A2019TermLoan100.0

lh:A2021SeniorNotes

lh:A2021SeniorNotes


A2021
Period End2021-05-26
Value1000
Percentage of A2021SeniorNotes100.0

lh:A4.625Seniornotesdue2020

lh:A4.625Seniornotesdue2020


A4.625
Period End2021-03-312020-06-302020-03-312019-12-312019-03-312018-12-312017-12-312016-12-31
Value500414415413599597604614
Percentage of A4.625Seniornotesdue2020100.0100.0100.0100.0100.0100.0100.0100.0

lh:AHStransfertoCanadianJV

lh:AHStransfertoCanadianJV


A
Period End2020-12-31
Value50
Percentage of AHStransfertoCanadianJV100.0

lh:AccountsreceivablefromOntariogovernmentsponsoredhealthcareplan

lh:AccountsreceivablefromOntariogovernmentsponsoredhealthcareplan


Accountsreceivablefrom
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value0.63.20.5121521223326
Percentage of AccountsreceivablefromOntariogovernmentsponsoredhealthcareplan100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:AccruedTaxInterestAddedfromAcquisition

lh:AccruedTaxInterestAddedfromAcquisition


Accrued
Period End2020-12-31
Value1400000.0
Percentage of AccruedTaxInterestAddedfromAcquisition100.0

lh:AllowanceforCreditLoss

lh:AllowanceforCreditLoss


Allowancefor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value38383938434121
Percentage of AllowanceforCreditLoss100.0100.0100.0100.0100.0100.0100.0

lh:CARESActFundsAccruedLiabilitiesAndOtherLiabilities

lh:CARESActFundsAccruedLiabilitiesAndOtherLiabilities


C
Period End2020-09-30
Value132
Percentage of CARESActFundsAccruedLiabilitiesAndOtherLiabilities100.0

lh:CanadianLicensesAlbertaCanada

lh:CanadianLicensesAlbertaCanada


Canadian
Period End2020-12-31
Value22
Percentage of CanadianLicensesAlbertaCanada100.0

lh:CommonStockRepurchaseAuthorizationOutstanding

lh:CommonStockRepurchaseAuthorizationOutstanding


Common
Period End2020-12-312019-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-02-212012-12-312012-09-302012-06-302012-03-312012-02-102011-12-312011-09-302011-06-302011-03-312011-02-102010-12-31
Value800900100010001000401447489589739828894950105830859495410006820433146250084256408469500234
Percentage of CommonStockRepurchaseAuthorizationOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:ConcentrationRiskAccountsReceivableMedicareAndMedicaid

lh:ConcentrationRiskAccountsReceivableMedicareAndMedicaid


Concentration
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1098188109113112135128121138125106
Percentage of ConcentrationRiskAccountsReceivableMedicareAndMedicaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:CreditFacilityMaximumLettersofCredit us-gaap:CreditFacility

lh:CreditFacilityMaximumLettersofCredit

us-gaap:RevolvingCreditFacility


Credit
Period End2021-06-302021-03-312020-09-302014-12-19
Value15015015080
Percentage of CreditFacilityMaximumLettersofCredit100.0100.0100.0100.0

lh:CreditFacilityOptiontoIncrease us-gaap:CreditFacility

lh:CreditFacilityOptiontoIncrease

lh:SecondAmendedAndRestatedCreditAgreement


Credit
Period End2021-03-31
Value350
Percentage of CreditFacilityOptiontoIncrease100.0

lh:CurrentDebtExcludingFinanceLeaseLiability

lh:CurrentDebtExcludingFinanceLeaseLiability


Current
Period End2021-06-302021-03-312020-12-31
Value1.8501376
Percentage of CurrentDebtExcludingFinanceLeaseLiability100.0100.0100.0

lh:DeferredIncomeTaxesAndOtherTaxLiabilities

lh:DeferredIncomeTaxesAndOtherTaxLiabilities


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value82685790589190794394296994895994089991499194813981193121212061227131012931245530563546558525522502569586617602577
Percentage of DeferredIncomeTaxesAndOtherTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:DeferredTaxAssetRightOfUseAsset

lh:DeferredTaxAssetRightOfUseAsset


Deferred
Period End2020-12-312019-12-312018-12-31
Value1871910.0
Percentage of DeferredTaxAssetRightOfUseAsset100.0100.00.0

lh:DefinedBenefitPlanActualAssetAllocation us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

lh:DefinedBenefitPlanActualAssetAllocation

us-gaap:DebtSecurities, us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value40.4
Percentage of DefinedBenefitPlanActualAssetAllocation100.0

us-gaap:DebtSecurities, us-gaap:NonUs


Defined
Period End2020-12-31
Value34.6
Percentage of DefinedBenefitPlanActualAssetAllocation85.6

us-gaap:EquitySecurities, us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value50.3
Percentage of DefinedBenefitPlanActualAssetAllocation124.5

us-gaap:EquitySecurities, us-gaap:NonUs


Defined
Period End2020-12-31
Value47.2
Percentage of DefinedBenefitPlanActualAssetAllocation116.8

us-gaap:OtherInvestments, us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value4.3
Percentage of DefinedBenefitPlanActualAssetAllocation10.6

us-gaap:OtherInvestments, us-gaap:NonUs


Defined
Period End2020-12-31
Value1.0
Percentage of DefinedBenefitPlanActualAssetAllocation2.5

us-gaap:RealEstateFunds, us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value5.0
Percentage of DefinedBenefitPlanActualAssetAllocation12.4

us-gaap:RealEstateFunds, us-gaap:NonUs


Defined
Period End2020-12-31
Value4.0
Percentage of DefinedBenefitPlanActualAssetAllocation9.9

us-gaap:VariableAnnuity, us-gaap:NonUs


Defined
Period End2020-12-31
Value11.3
Percentage of DefinedBenefitPlanActualAssetAllocation28.0

lh:DefinedBenefitPlanAssumptionsUsedExpectedLongTermReturnOnAssets us-gaap:RetirementPlanType

lh:DefinedBenefitPlanAssumptionsUsedExpectedLongTermReturnOnAssets

us-gaap:DomesticPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value6.06.56.5
Percentage of DefinedBenefitPlanAssumptionsUsedExpectedLongTermReturnOnAssets100.0100.0100.0

lh:EmployeeStockPurchasePlanNumberOfAuthorizedShares

lh:EmployeeStockPurchasePlanNumberOfAuthorizedShares


Employee
Period End2020-12-31
Value1800000.0
Percentage of EmployeeStockPurchasePlanNumberOfAuthorizedShares100.0

lh:FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensationLiability

lh:FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensationLiability


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value9994898176667672747164716865646259565453504846444543434140383626
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensationLiability us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value99948981760.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.04445430.04140380.00.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensationLiability100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.00.00.0

lh:FairValueLiabilitiesMeasuredOnRecurringBasisNoncontrollingInterestPuts

lh:FairValueLiabilitiesMeasuredOnRecurringBasisNoncontrollingInterestPuts


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value161616151514151515151515151616161515151515151415161617181918192020202020202020160174173168142
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisNoncontrollingInterestPuts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:FairValueLiabilitiesMeasuredOnRecurringBasisNoncontrollingInterestPuts us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value161616151514151515151515151616161515151515151415161617191918192020202020202020168
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisNoncontrollingInterestPuts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0104.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:FederalTaxLossCarryovers

lh:FederalTaxLossCarryovers


Federal
Period End2020-12-31
Value185
Percentage of FederalTaxLossCarryovers100.0

lh:FederalandStateAttributeCarryforwards

lh:FederalandStateAttributeCarryforwards


Federaland
Period End2020-12-31
Value288
Percentage of FederalandStateAttributeCarryforwards100.0

lh:ForeignTaxLossCarryovers

lh:ForeignTaxLossCarryovers


Foreign
Period End2020-12-31
Value59
Percentage of ForeignTaxLossCarryovers100.0

lh:ForeignTaxLossCarryoversExpirein2034

lh:ForeignTaxLossCarryoversExpirein2034


Foreign
Period End2020-12-31
Value502
Percentage of ForeignTaxLossCarryoversExpirein2034100.0

lh:IncomeTaxBenefitMinimumCertaintyPercentage

lh:IncomeTaxBenefitMinimumCertaintyPercentage


Income
Period End2020-12-31
Value50.0
Percentage of IncomeTaxBenefitMinimumCertaintyPercentage100.0

lh:LongTermDebtExcludingDebtIssuanceCosts

lh:LongTermDebtExcludingDebtIssuanceCosts


Long
Period End2020-12-31
Value5795
Percentage of LongTermDebtExcludingDebtIssuanceCosts100.0

lh:Longtermdebtfutureminimumpaymentsinterestincludedinpayments

lh:Longtermdebtfutureminimumpaymentsinterestincludedinpayments


Longtermdebtfutureminimumpaymentsinterestincludedinpayments
Period End2020-12-31
Value5832
Percentage of Longtermdebtfutureminimumpaymentsinterestincludedinpayments100.0

lh:Longtermdebtissuancecosts

lh:Longtermdebtissuancecosts


Longtermdebtissuancecosts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value4234373839414235373740424346485039414344474951
Percentage of Longtermdebtissuancecosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:NoncontrollingInterestMezzanineEquity

lh:NoncontrollingInterestMezzanineEquity


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value2120201919182019201919202020202615151515151514151616171819181920202020202020201921200.0
Percentage of NoncontrollingInterestMezzanineEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

lh:NoteReceivableAllowanceforCreditLoss

lh:NoteReceivableAllowanceforCreditLoss


Note
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5700000.05700000.05700000.05700000.010000000.010000000.00
Percentage of NoteReceivableAllowanceforCreditLoss100.0100.0100.0100.0100.0100.00.0

lh:OtherLiabilitiesNoncurrentOther

lh:OtherLiabilitiesNoncurrentOther


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value216118191536298.366443827
Percentage of OtherLiabilitiesNoncurrentOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:Percentofgrossaccountsreceivableduefrompatients

lh:Percentofgrossaccountsreceivableduefrompatients


Percentofgrossaccountsreceivableduefrompatients
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value13.90.2110.2150.2090.20.1880.2710.2780.283
Percentage of Percentofgrossaccountsreceivableduefrompatients100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:Percentofremainingperformanceobligationsrecognizedasrevenueinnextyear

lh:Percentofremainingperformanceobligationsrecognizedasrevenueinnextyear


Percentofremainingperformanceobligationsrecognizedasrevenueinnextyear
Period End2020-09-30
Value32.0
Percentage of Percentofremainingperformanceobligationsrecognizedasrevenueinnextyear100.0

lh:SeniorNotesFairValue

lh:SeniorNotesFairValue


Senior
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value589258446121610764336007528157635658550853185904590859536078608153575240525461536127622060706358635665862949295629762907221922212293272026831645162116241616159415681549645
Percentage of SeniorNotesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:Seniornotesdue2024

lh:Seniornotesdue2024


Seniornotesdue2024
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6006006006000.0
Percentage of Seniornotesdue2024100.0100.0100.0100.00.0

lh:Seniornotesdue2027

lh:Seniornotesdue2027


Seniornotesdue2027
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6006006006000.0
Percentage of Seniornotesdue2027100.0100.0100.0100.00.0

lh:Shorttermdebtissuancecosts

lh:Shorttermdebtissuancecosts


Shorttermdebtissuancecosts
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value500000.0400000.0600000.01000000.0300000.0700000.0200000.01000000.01500000.0500000.0600000.0900000.01200000.01400000.01100000.0900000.01100000.01300000.03400000.0800000.0800000.01000000.0
Percentage of Shorttermdebtissuancecosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:TotalShortandLongTermDebtIssuanceCosts

lh:TotalShortandLongTermDebtIssuanceCosts


Total
Period End2020-12-31
Value37
Percentage of TotalShortandLongTermDebtIssuanceCosts100.0

lh:UnbilledServicesAllowanceforCreditLoss

lh:UnbilledServicesAllowanceforCreditLoss


Unbilled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1111116.34.32.42.3
Percentage of UnbilledServicesAllowanceforCreditLoss100.0100.0100.0100.0100.0100.0100.0

lh:ValueofCommonStockRepurchased

lh:ValueofCommonStockRepurchased


Valueof
Period End2020-12-31
Value100
Percentage of ValueofCommonStockRepurchased100.0

lh:ValueofReportingUnitsGoodwillFairValueExceedsCarryingValue us-gaap:StatementBusinessSegments

lh:ValueofReportingUnitsGoodwillFairValueExceedsCarryingValue

lh:CovanceDrugDevelopment


Valueof
Period End2020-09-302020-06-302020-03-31
Value646628631
Percentage of ValueofReportingUnitsGoodwillFairValueExceedsCarryingValue100.0100.0100.0

lh:LabCorpDiagnostics


Valueof
Period End2020-09-302020-06-302020-03-31
Value8.6e-058.44e-058.15e-05
Percentage of ValueofReportingUnitsGoodwillFairValueExceedsCarryingValue0.00.00.0

us-gaap:AccountsReceivableBilledForLongTermContractsOrPrograms

us-gaap:AccountsReceivableBilledForLongTermContractsOrPrograms


Accounts
Period End2020-12-312019-12-312018-12-312017-12-31
Value1001771693694
Percentage of AccountsReceivableBilledForLongTermContractsOrPrograms100.0100.0100.0100.0

us-gaap:AccountsReceivableGross us-gaap:StatementBusinessSegments

us-gaap:AccountsReceivableGross

lh:Diagnostics


Accounts
Period End2020-12-312019-12-31
Value1515798
Percentage of AccountsReceivableGross100.0100.0

lh:DrugDevelopment


Accounts
Period End2020-12-312019-12-31
Value986764
Percentage of AccountsReceivableGross65.195.8

us-gaap:AccruedSalesCommissionCurrentAndNoncurrent

us-gaap:AccruedSalesCommissionCurrentAndNoncurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value363632323230282727262422232424
Percentage of AccruedSalesCommissionCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-136.9-138.4140-81.6-83.1-85.087-67.0-69.3-71.373-87.4-89.2-91.293-109.0-110.1-110.2110-67.5-73.8-72.174-77.7-77.7-78.078-51.6-64.4-65.7-67.1-88.0-89.5-91.5-93.5-98.0-62.9-57.8-77.1-28.1
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-44.3-88.1-21.3-233.0-365.9-432.9-285.4-435.2-342.6-368.2-389.8-320.4-317.8-190.0-242.7-233.5-274.2-416.9-470.7-310.5-283.6-186.2-212.6-90.8-22.1-53.1689312210112314012614516214315212568148
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2021222629281915
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmountOfDeferredCostsRelatedToLongTermContracts

us-gaap:AmountOfDeferredCostsRelatedToLongTermContracts


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value51504545454443
Percentage of AmountOfDeferredCostsRelatedToLongTermContracts100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesEquitySecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesEquitySecuritiesCurrent


Available
Period End2021-06-30
Value800000.0
Percentage of AvailableForSaleSecuritiesEquitySecuritiesCurrent100.0

us-gaap:AvailableForSaleSecuritiesEquitySecuritiesCurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Available
Period End2021-06-30
Value800000.0
Percentage of AvailableForSaleSecuritiesEquitySecuritiesCurrent100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value745745734734730759
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value296316
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets39.743.1

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value111111111115
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value252526262626
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value2.40.8
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther9.43.1

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value10109.89.43.53.5
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value121211121516
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value4.92.2
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables40.518.3

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value151515151515
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value0.91.5
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable5.99.9

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value1.13.6
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value101010107.411
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value2214
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther215.4139.6

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value252514131625
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets

lh:Envigo, us-gaap:CustomerRelationships


Business
Period End2020-12-312020-06-30
Value141140
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value140141141140144125
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value121184
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles86.2130.9

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value144144133133129158
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value2830
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities19.722.5

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value267286
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value696958585766
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value4.110
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities5.918.6

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value1281281241278499
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value1.38.5
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment1.06.7

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

lh:Envigo


Business
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-03
Value376376380379414432
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0100.0100.0100.0100.0100.0

lh:Otheracquirees


Business
Period End2020-12-312019-12-31
Value166115
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet44.130.3

us-gaap:CapitalizedContractCostNet

us-gaap:CapitalizedContractCostNet


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value141412121313141514131212108.71.7
Percentage of CapitalizedContractCostNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashSurrenderValueFairValueDisclosure

us-gaap:CashSurrenderValueFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value10193908278688075757163696763646058555352494545434544414036353530
Percentage of CashSurrenderValueFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashSurrenderValueFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value10193908278688075757163696763646058555352494545434544414036353530
Percentage of CashSurrenderValueFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashUninsuredAmount

us-gaap:CashUninsuredAmount


Cash
Period End2020-12-312019-12-312018-12-312017-12-31
Value1319335423315
Percentage of CashUninsuredAmount100.0100.0100.0100.0

us-gaap:ContingentConsiderationClassifiedAsEquityFairValueDisclosure

us-gaap:ContingentConsiderationClassifiedAsEquityFairValueDisclosure


Contingent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1212139.09.06.47.86.22018181616161616161616
Percentage of ContingentConsiderationClassifiedAsEquityFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContingentConsiderationClassifiedAsEquityFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Contingent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1212139.09.06.47.86.22018181616161616161616
Percentage of ContingentConsiderationClassifiedAsEquityFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetGross

us-gaap:ContractWithCustomerAssetGross


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value648579548609539480483479491425396322354343318
Percentage of ContractWithCustomerAssetGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value529522492492471430449400402362354286389412377
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

lh:SeniorNotesDue2031


Debt
Period End2021-05-26
Value500
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:LineOfCreditFacility

us-gaap:DebtInstrumentInterestRateEffectivePercentage

lh:A2019TermLoan


Debt
Period End2020-12-312020-09-302019-09-302019-06-30
Value0.950.950.02840.0324
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value897664645446433626
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value208.81.71.92.12.3
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value134213391106111215441515747
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxesAndOtherAssetsCurrent

us-gaap:DeferredIncomeTaxesAndOtherAssetsCurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2320203.44.96.58.8151.71.71.71.91.71.71.92.12.12.12.11.92.02.32.3
Percentage of DeferredIncomeTaxesAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredRevenueCurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value5465405064944734324514034043643562893934183323131771841761691751661461411421530.0
Percentage of DeferredRevenueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards


Deferred
Period End2020-12-31
Value6900000.0
Percentage of DeferredTaxAssetsCapitalLossCarryforwards100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value679593267278397325253227266279202177
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2062079810716798695866685045
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


Deferred
Period End2020-12-31
Value540
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1266234267.64.32.43.82.10.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value115105104113160140110831141239672
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value201613141313122025272.612
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value229.916163824202018181011
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value9129108919131047979496463434373-343.8-336.7
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-31
Value1791770.0
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.00.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312012-12-312011-12-312010-12-312009-12-31
Value4657-24.5-27.2270.03.6-5.1-2.2
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value20319418215620821193867371-63.3-58.5
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value220188125163195165117801221025241
Percentage of DefinedBenefitPensionPlanLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DomesticPlan


Defined
Period End2020-12-312019-12-31
Value369355
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0

us-gaap:NonUs


Defined
Period End2020-12-312019-12-31
Value683585
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation184.8164.8

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax


Defined
Period End2020-12-312019-12-31
Value1.62.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-312019-12-31
Value108111
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax6800.05560.0

us-gaap:NonUs


Defined
Period End2020-12-312019-12-31
Value9931
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax6231.21575.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate


Defined
Period End2020-12-312019-12-31
Value2.33.2
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-312019-12-31
Value2.33.3
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0103.1

us-gaap:NonUs


Defined
Period End2020-12-312019-12-31
Value1.21.9
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate52.259.4

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:NonUs


Defined
Period End2020-12-312019-12-31
Value2.03.3
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanBenefitObligation


Defined
Period End2020-12-312019-12-312018-12-31
Value6.26.56.9
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:BalanceSheetLocation

us-gaap:OtherLiabilities


Defined
Period End2020-12-312019-12-31
Value5.45.7
Percentage of DefinedBenefitPlanBenefitObligation87.187.7

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value369355334
Percentage of DefinedBenefitPlanBenefitObligation5964.55469.24849.3

us-gaap:NonUs


Defined
Period End2020-12-312019-12-312018-12-31
Value690590294
Percentage of DefinedBenefitPlanBenefitObligation11130.69087.74262.3

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter


Defined
Period End2020-12-31
Value1.6
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value116
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter7250.0

us-gaap:NonUs


Defined
Period End2020-12-31
Value102
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter6425.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths


Defined
Period End2020-12-31
Value0.8
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value26
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths3350.0

us-gaap:NonUs


Defined
Period End2020-12-31
Value15
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths1925.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive


Defined
Period End2020-12-31
Value0.6
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value25
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive4233.3

us-gaap:NonUs


Defined
Period End2020-12-31
Value18
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive3066.7

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour


Defined
Period End2020-12-31
Value0.6
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value25
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour4283.3

us-gaap:NonUs


Defined
Period End2020-12-31
Value18
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour3116.7

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree


Defined
Period End2020-12-31
Value0.7
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value26
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree3757.1

us-gaap:NonUs


Defined
Period End2020-12-31
Value17
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree2471.4

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo


Defined
Period End2020-12-31
Value0.7
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value27
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo3857.1

us-gaap:NonUs


Defined
Period End2020-12-31
Value16
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo2342.9

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear


Defined
Period End2020-12-31
Value16
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear100.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value535262247263247245269268256244264259
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanFundedStatusOfPlan


Defined
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value-92.6-92.7-93.1-93.4-87.6-104.3-119.0-112.511981123138
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:BalanceSheetLocation, us-gaap:RetirementPlanType

us-gaap:AccruedLiabilities, us-gaap:DomesticPlan


Defined
Period End2020-12-312019-12-31
Value-2.3-2.2
Percentage of DefinedBenefitPlanFundedStatusOfPlan0.02.4

us-gaap:AccruedLiabilities, us-gaap:NonUs


Defined
Period End2020-12-312019-12-31
Value-0.6-0.5
Percentage of DefinedBenefitPlanFundedStatusOfPlan0.00.5

us-gaap:OtherLiabilities, us-gaap:DomesticPlan


Defined
Period End2020-12-312019-12-31
Value6691
Percentage of DefinedBenefitPlanFundedStatusOfPlan0.0-97.6

us-gaap:OtherLiabilities, us-gaap:NonUs


Defined
Period End2020-12-312019-12-31
Value15398
Percentage of DefinedBenefitPlanFundedStatusOfPlan0.0-105.6

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanType

us-gaap:DomesticPlan


Defined
Period End2020-12-312019-12-31
Value-68.9-93.4
Percentage of DefinedBenefitPlanFundedStatusOfPlan0.0100.0

us-gaap:NonUs


Defined
Period End2020-12-312019-12-31
Value-154.5-99.1
Percentage of DefinedBenefitPlanFundedStatusOfPlan0.0106.1

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:PensionAndOtherPostretirementPlansCosts


Defined
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value858688993739
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage us-gaap:DefinedBenefitPlanByPlanAssetCategories

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:EquitySecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value33.00.50.50.5
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage100.0100.0100.0100.0

us-gaap:FixedIncomeSecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value35.00.430.430.45
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage106.186.086.090.0

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

us-gaap:RealEstateFunds, us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value2.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage6.1

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage us-gaap:Range, us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

srt:Maximum, us-gaap:DebtSecurities, us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value52.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage157.6

srt:Maximum, us-gaap:DebtSecurities, us-gaap:NonUs


Defined
Period End2020-12-31
Value39.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage118.2

srt:Maximum, us-gaap:EquitySecurities, us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value62.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage187.9

srt:Maximum, us-gaap:EquitySecurities, us-gaap:NonUs


Defined
Period End2020-12-31
Value55.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage166.7

srt:Maximum, us-gaap:LifeAndAnnuityInsuranceProductLine, us-gaap:NonUs


Defined
Period End2020-12-31
Value13.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage39.4

srt:Maximum, us-gaap:OtherInvestments, us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value4.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage12.1

srt:Maximum, us-gaap:OtherInvestments, us-gaap:NonUs


Defined
Period End2020-12-31
Value5.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage15.2

srt:Maximum, us-gaap:RealEstateFunds, us-gaap:DomesticPlan


Defined
Period End2020-12-31
Value8.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage24.2

srt:Maximum, us-gaap:RealEstateFunds, us-gaap:NonUs


Defined
Period End2020-12-31
Value12.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage36.4

srt:Minimum, us-gaap:DebtSecurities, us-gaap:NonUs


Defined
Period End2020-12-31
Value29.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage87.9

srt:Minimum, us-gaap:EquitySecurities, us-gaap:NonUs


Defined
Period End2020-12-31
Value45.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage136.4

srt:Minimum, us-gaap:LifeAndAnnuityInsuranceProductLine, us-gaap:NonUs


Defined
Period End2020-12-31
Value6.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage18.2

srt:Minimum, us-gaap:RealEstateFunds, us-gaap:NonUs


Defined
Period End2020-12-31
Value2.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage6.1

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value623474427324288283183166158207188143
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-31
Value115
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOwnershipPercentage

lh:AlbertaCanada


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value43.370.43370.43370.43370.43370.43370.43370.43370.43370.43370.4337
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:BuffaloNewYork


Equity
Period End2020-12-312019-12-31
Value48.180.4818
Percentage of EquityMethodInvestmentOwnershipPercentage111.1111.1

lh:FlorenceSouthCarolina


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value49.00.490.490.490.490.490.490.49
Percentage of EquityMethodInvestmentOwnershipPercentage113.0113.0113.0113.0113.0113.0113.0113.0

us-gaap:EquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestments

lh:AlbertaCanada


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3443404544445558616060
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lh:BuffaloNewYork


Equity
Period End2020-12-312019-12-31
Value1316
Percentage of EquityMethodInvestments38.738.0

lh:FlorenceSouthCarolina


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value10101010101010.010.0
Percentage of EquityMethodInvestments29.523.624.722.222.923.618.117.1

lh:Various


Equity
Period End2020-12-31
Value7.2
Percentage of EquityMethodInvestments20.8

us-gaap:FairValueHedgeAssetsAtFairValue us-gaap:DerivativeInstrumentRisk

us-gaap:FairValueHedgeAssetsAtFairValue

lh:Crosscurrencyswapmaturing2022


Fair
Period End2020-12-312019-12-31
Value260.2
Percentage of FairValueHedgeAssetsAtFairValue100.0100.0

lh:Crosscurrencyswapmaturing2025


Fair
Period End2020-12-312019-12-31
Value143.0
Percentage of FairValueHedgeAssetsAtFairValue55.41500.0

us-gaap:InterestRateSwap


Fair
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value9.52.33.31.54.13.70.0
Percentage of FairValueHedgeAssetsAtFairValue0.00.00.0750.00.00.00.0

us-gaap:FairValueHedgeLiabilitiesAtFairValue

us-gaap:FairValueHedgeLiabilitiesAtFairValue


Fair
Period End2021-06-302020-06-302020-03-312019-12-312019-03-312018-12-312017-12-31
Value9.52.33.31.50.63.14.1
Percentage of FairValueHedgeLiabilitiesAtFairValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueHedgeLiabilitiesAtFairValue us-gaap:DerivativeInstrumentRisk

us-gaap:CurrencySwap


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value163.0408.80.00.00.02.8
Percentage of FairValueHedgeLiabilitiesAtFairValue174.70.00.00.00.00.00.090.3

us-gaap:FairValueHedgesAtFairValueNet

us-gaap:FairValueHedgesAtFairValueNet


Fair
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value9.52.33.31.54.13.70.64.10.5-5.64.5142118381934181713110.0
Percentage of FairValueHedgesAtFairValueNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FairValueHedgesAtFairValueNet us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Fair
Period End2021-06-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value9.52.31.54.13.70.63.10.5-5.64.54.11712181440394221180.0
Percentage of FairValueHedgesAtFairValueNet100.0100.0100.0100.0100.0100.075.6100.0100.0100.028.10.00.00.067.60.00.00.0116.8100.00.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-312019-12-312019-09-302019-06-30
Value919910154
Percentage of FinanceLeaseLiability100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value106.36.77.48.28.28.48.38.27.77.9
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8782848687899192464851
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value143
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8996107343423
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value12153.67.1108.6
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7.7101010106.5
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value10121010106.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value11121212126.7
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value11131313138.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value52
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2020-12-312019-12-31
Value7987
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2020-12-312019-12-31
Value5.15.2
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value22842207212920321970190618511776172216611604155415121490142613641308125212031160111510701024953906857826804782760738718696661652654633612591-570.0-548.8-527.3-505.4-472.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization lh:ScheduleOfOtherIntangibleAssetsByMajorClass

lh:PatentsLicensesAndTechnology


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2632572522452452382352292242172112072021951881811751681631581551501461071039895939087858381657697949188-85.1-82.0-78.8-75.7-62.4
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization11.511.611.912.112.512.512.712.913.013.113.213.413.413.113.213.313.413.513.613.713.914.114.311.311.411.511.611.611.611.511.611.711.710.011.714.914.914.914.914.914.914.915.013.2

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value160515731534147314191371132912741233118811461106107510621014970930890855824791758724699665630606591576560545529514498483468454441426-412.9-399.1-384.9-370.0-337.1
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization70.371.372.172.572.071.971.871.771.671.671.571.271.171.371.171.171.171.171.171.070.970.870.873.473.473.573.573.573.673.773.873.873.975.474.171.671.872.072.272.472.773.073.271.4

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value767370676562605857555353515149474543424039383736343331302826252322201918171614-13.5-12.1-10.7-9.4-30.7
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization3.33.33.33.33.33.33.33.33.33.33.33.43.43.43.53.53.53.53.53.53.53.63.63.83.83.93.83.73.63.53.43.33.23.23.02.82.72.62.52.42.22.01.96.5

us-gaap:TradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3312962632402342282192092021951891831801781711621551481411351281221151091029591898785838078757370676461-58.5-55.6-52.9-50.3-41.8
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization14.513.412.411.811.912.011.911.811.811.811.811.811.912.012.011.911.911.811.811.711.511.411.311.511.411.211.111.111.211.211.211.211.211.511.210.810.610.510.410.310.110.010.08.9

us-gaap:UseRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value7.57.26.96.56.25.85.55.24.94.54.13.73.43.12.62.32.01.71.41.10.90.80.60.40.30.20.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.30.30.30.30.30.30.30.30.30.30.30.20.20.20.20.20.20.10.10.10.10.10.10.00.00.00.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value2135213721602380
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value17720636560
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value200200200224
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value212212213229
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value217217217232
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value220220220238
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0

us-gaap:ForeignCurrencyContractAssetFairValueDisclosure

us-gaap:ForeignCurrencyContractAssetFairValueDisclosure


Foreign
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value403.2201.29.02.88.1242.2
Percentage of ForeignCurrencyContractAssetFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyContractAssetFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Foreign
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value403.2201.29.02.88.1242.2
Percentage of ForeignCurrencyContractAssetFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure


Foreign
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-03-31
Value163.08.814232.1
Percentage of ForeignCurrencyContractsLiabilityFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Foreign
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-03-31
Value163.08.814232.1
Percentage of ForeignCurrencyContractsLiabilityFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet lh:MaturityDate

us-gaap:ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet

lh:Crosscurrencyswapmaturing2022


Foreign
Period End2021-06-302021-03-312020-12-31
Value-13200000.0-5800000.0-26000000.0
Percentage of ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet100.0100.0100.0

lh:Crosscurrencyswapmaturing2025


Foreign
Period End2021-06-302021-03-312020-12-31
Value-3500000.02800000.0-14400000.0
Percentage of ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet26.5-48.355.4

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value603860416090595358485811588557985738554655155545556257885767578049304722460446174473448043474514455144612301229323282298231023192320
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill lh:ScheduleOfOtherIntangibleAssetsByMajorClass

lh:PatentsLicensesAndTechnology


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value456454434427449444453450452449447454452455457455403398395412318322308184184122125120120116116117117
Percentage of IntangibleAssetsGrossExcludingGoodwill7.67.57.17.27.77.67.77.87.98.18.18.28.17.97.97.98.28.48.68.97.17.27.14.14.12.75.55.35.25.15.05.15.1

us-gaap:CustomerRelationships


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value455345664643453044244414444143704307413541194115413843314297429735383367327532573213322031323290329132811361133713401338132713161296
Percentage of IntangibleAssetsGrossExcludingGoodwill75.475.676.276.175.776.075.575.475.174.674.774.274.474.874.574.371.871.371.170.671.871.972.072.972.373.559.258.357.658.257.456.855.9

us-gaap:LicensingAgreements


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value502496489468459444480471476467457483475483495500481468464475482479451555591582635659691667694715743
Percentage of IntangibleAssetsGrossExcludingGoodwill8.38.28.07.97.97.68.28.18.38.48.38.78.58.48.68.79.89.910.110.310.810.710.412.313.013.127.628.729.729.130.130.832.0

us-gaap:NoncompeteAgreements


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1141141091059690908982787675757879778268535151495149494645444444413932
Percentage of IntangibleAssetsGrossExcludingGoodwill1.91.91.81.81.61.61.51.51.41.41.41.41.41.41.41.31.71.51.21.11.21.11.21.11.11.02.01.91.91.91.81.71.4

us-gaap:TradeNames


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value399398401410408407408405407405404405410428426439413409406409400402399428428424133131131131131131131
Percentage of IntangibleAssetsGrossExcludingGoodwill6.66.66.66.97.07.06.97.07.17.37.37.37.47.47.47.68.48.78.88.99.09.09.29.59.49.55.85.75.65.75.75.75.7

us-gaap:UseRights


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value10101010101010111110101010101010.010.010.010.010.06.45.55.55.55.54.90.0
Percentage of IntangibleAssetsGrossExcludingGoodwill0.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.10.10.10.10.10.10.0

us-gaap:InventoryValuationReserves

us-gaap:InventoryValuationReserves


Inventory
Period End2020-12-312019-12-31
Value200.0
Percentage of InventoryValuationReserves100.00.0

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312017-12-312016-12-31
Value1.11.091.121.120.0350.0270.019
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity


Line
Period End2020-12-312020-06-302020-03-31
Value997997923
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-09-30
Value10001000997
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.00.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value2156
Percentage of LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value1000
Percentage of LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value1000
Percentage of LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value300
Percentage of LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value1000
Percentage of LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value376
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermNotesPayable

us-gaap:LongTermNotesPayable


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6100000.07000000.07100000.08900000.07200000.0
Percentage of LongTermNotesPayable100.0100.0100.0100.0100.0

us-gaap:NotesPayable

us-gaap:NotesPayable


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value5500000.05800000.06100000.06100000.06400000.06500000.07000000.05700000.06400000.06600000.07100000.07500000.08000000.08500000.08900000.09400000.07600000.08200000.07200000.0
Percentage of NotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesReceivableFairValueDisclosure us-gaap:BusinessAcquisition

us-gaap:NotesReceivableFairValueDisclosure

lh:Envigo


Notes
Period End2020-12-312020-06-302019-06-302019-06-03
Value70110110110
Percentage of NotesReceivableFairValueDisclosure100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312019-12-31
Value3.34.1
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value206206181254208191
Percentage of OperatingLeasesFutureMinimumPaymentsDueCurrent100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value716757455461
Percentage of OperatingLeasesFutureMinimumPaymentsDueInFiveYears100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value858877697580
Percentage of OperatingLeasesFutureMinimumPaymentsDueInFourYears100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value119121105174108107
Percentage of OperatingLeasesFutureMinimumPaymentsDueInThreeYears100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value162164146274196145
Percentage of OperatingLeasesFutureMinimumPaymentsDueInTwoYears100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value354289277153161155
Percentage of OperatingLeasesFutureMinimumPaymentsDueThereafter100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OperatingLossCarryforwardsValuationAllowance


Operating
Period End2020-12-31
Value340
Percentage of OperatingLossCarryforwardsValuationAllowance100.0

us-gaap:OtherInventorySupplies

us-gaap:OtherInventorySupplies


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value403228200195171157139
Percentage of OtherInventorySupplies100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value46141636432731735337329729831730929228634742145037934332132529736034037838731915712611512510679756774786869797864719580
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value119.37.81013131314121543485353546369678295808479523121222424252526272527192224313831251725
Percentage of RestructuringReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserve us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:EmployeeSeverance, lh:CovanceDrugDevelopment


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value4.32.62.44.08.64.25.56.96.99.66.510119.68.311211928403842510.0
Percentage of RestructuringReserve37.728.030.838.566.231.841.046.654.861.114.921.022.418.115.218.530.529.134.341.947.449.965.00.0

us-gaap:EmployeeSeverance, lh:Diagnostics


Restructuring
Period End2020-12-312019-12-312018-12-31
Value0.30.52.1
Percentage of RestructuringReserve3.83.74.8

us-gaap:EmployeeSeverance, lh:DrugDevelopment


Restructuring
Period End2020-12-312019-12-312018-12-31
Value2.45.56.5
Percentage of RestructuringReserve30.841.014.9

us-gaap:EmployeeSeverance, lh:LabCorpDiagnostics


Restructuring
Period End2021-06-302020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value0.80.30.12.20.50.30.31.22.11.32.01.41.72.13.43.77.55.81.11.30.10.4
Percentage of RestructuringReserve7.03.80.816.73.72.02.47.64.82.73.82.63.13.34.95.59.16.11.41.50.11.8

us-gaap:FacilityClosing, lh:CovanceDrugDevelopment


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value5.96.24.74.92.36.74.74.72.52.12729313334363130223424251.10.0
Percentage of RestructuringReserve51.866.760.347.117.750.835.131.819.813.463.361.159.363.063.357.344.845.827.635.930.829.81.40.0

us-gaap:FacilityClosing, lh:Diagnostics


Restructuring
Period End2020-12-312019-12-312018-12-31
Value0.42.77.4
Percentage of RestructuringReserve5.120.117.0

us-gaap:FacilityClosing, lh:DrugDevelopment


Restructuring
Period End2020-12-312019-12-312018-12-31
Value4.74.727
Percentage of RestructuringReserve60.335.163.3

us-gaap:FacilityClosing, lh:LabCorpDiagnostics


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value0.40.50.41.52.00.12.72.92.92.87.47.37.78.610131313231516152621
Percentage of RestructuringReserve3.55.45.114.415.40.820.119.623.017.817.015.214.516.218.520.919.919.629.016.120.418.733.598.2

us-gaap:RestructuringReserveCurrent

us-gaap:RestructuringReserveCurrent


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8.96.35.78.1192247587.89.38.41611
Percentage of RestructuringReserveCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveNoncurrent

us-gaap:RestructuringReserveNoncurrent


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2.53.02.12.323323420141619156.4
Percentage of RestructuringReserveNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-31
Value561655635128479545203784
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0

us-gaap:SeniorLongTermNotes us-gaap:LongtermDebtType

us-gaap:SeniorLongTermNotes

lh:SeniorNotesDue2022


Senior
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312015-01-302014-12-312012-08-23
Value5005005005005005005005005005005005005005005005005005005005005005005005005005000.0500
Percentage of SeniorLongTermNotes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

lh:RestrictedStockAndPerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1300000.01300000.01300000.01500000.01600000.01500000.01100000.0800000.0600000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

lh:RestrictedStockAndPerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value170.04152.7140.58121.36108.23109.091.390.784.91
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value27
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value20
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value126.55
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice100.0

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased


Stock
Period End2021-06-302021-03-312020-09-30
Value431731800
Percentage of StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased100.0100.0100.0

us-gaap:UnbilledContractsReceivable

us-gaap:UnbilledContractsReceivable


Unbilled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6375795366035354784814764884223943203513482352672472201902162031711561611631640.0
Percentage of UnbilledContractsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:UnbilledContractsReceivable us-gaap:StatementBusinessSegments

lh:CovanceDrugDevelopment


Unbilled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value108610071001834730758771809735716693665674690694
Percentage of UnbilledContractsReceivable170.5173.8186.6138.2136.4158.7160.2169.7150.5169.4175.9208.0192.0197.9294.7

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UndistributedEarningsOfForeignSubsidiaries


Undistributed
Period End2020-12-312019-12-312018-12-312017-12-31
Value702601490464
Percentage of UndistributedEarningsOfForeignSubsidiaries100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9.18.78.39.08.26.05.55.2109.08.78.67.28.57.96.98.110.09.9101313129.59.49.68.28.8109.79.31011109.8101011101113131214
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value46462.13118191824272828162125252533373737415656535558565460
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate us-gaap:ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItem

us-gaap:ReductionInTaxes


Unrecognized
Period End2020-12-312019-12-312018-12-31
Value463118
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate2223.8100.0100.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:IntangibleAssetsNetExcludingGoodwill
lh:ScheduleOfOtherIntangibleAssetsByMajorClass
(None,)
Intangible Assets Net Excluding Goodwilllh: Schedule Of Other Intangible Assets By Major Class
us-gaap:LongTermDebtNoncurrent
us-gaap:LongtermDebtType
(None,)
Long Term Debt Noncurrentus-gaap: Longterm Debt Type
us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:BalanceSheetLocation
(None,)
Operating Lease Liability Noncurrentus-gaap: Balance Sheet Location
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components