KAR


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:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CostsAndExpenses
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GainLossOnInvestments

us-gaap:IncomeLossFromContinuingOperations
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

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

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:RealizedInvestmentGainsLosses

us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Assets
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:AssetsNoncurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:BalanceSheetLocation
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:BalanceSheetLocation

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:BalanceSheetLocation

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:BalanceSheetLocation

us-gaap:OtherAssetsNoncurrent

us-gaap:EquitySecuritiesFvNi

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OtherAccruedLiabilitiesCurrent
us-gaap:BalanceSheetLocation

us-gaap:LiabilitiesNoncurrent

us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:BalanceSheetLocation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability
us-gaap:BalanceSheetLocation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:ShareRepurchaseProgram

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:ProceedsFromSaleOfLongtermInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
kar:AdesaAuctionServicesRevenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
kar:AfcRevenues

kar:AuctionFees

kar:AuctionFeesandServicesRevenue
dei:LegalEntity
kar:CashReserveAsPercentageOfFinancingReceivableSecuritized
dei:LegalEntity, us-gaap:Range
dei:LegalEntity
kar:CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo
dei:LegalEntity, us-gaap:Range

kar:FinancerelatedRevenue
us-gaap:ConsolidationItems
kar:IntercompanyIncomeExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

kar:PaymentsForContingentConsiderationAndDeferredAcquisitionCosts
us-gaap:BusinessAcquisition

kar:ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables

kar:PurchasedVehicleSales

kar:SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied

kar:ServiceRevenue
us-gaap:ShareRepurchaseProgram
kar:StockRepurchasedandRetiredWeightedAveragePricePerShare

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod
us-gaap:FinancialInstrument

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStockPaidinkind
us-gaap:StatementClassOfStock
us-gaap:StatementEquityComponents

us-gaap:DividendsShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableChangeInMethodCreditLossExpenseReversal
us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GoodwillAndIntangibleAssetImpairment
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GoodwillOtherIncreaseDecrease
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets

us-gaap:IncreaseDecreaseInBookOverdrafts

us-gaap:IncreaseDecreaseInFinanceReceivables

us-gaap:IncreaseDecreaseInSecuritiesLoanedTransactions

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestPaid

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
us-gaap:DerivativeInstrumentRisk
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNonoperatingIncome

us-gaap:PaymentsOfDebtIssuanceCosts
dei:LegalEntity

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireLongtermInvestments

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:StatementEquityComponents
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UnrealizedGainLossOnInvestments

kar:BookOverdrafts
us-gaap:StatementBusinessSegments
kar:DeferredProceedsFromDivestitureOfBusiness

kar:DeferredTaxAssetRightofUseLeaseLiability

kar:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses

kar:DeferredTaxLiabilityRightofUseLeaseAsset
dei:LegalEntity
kar:FinancingReceivableCommittedLiquidity

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter

kar:OtherIntangibleAssetsAccumulatedAmortization
kar:FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

kar:OtherIntangibleAssetsGross
kar:FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessAcquisition
kar:PendingPaymentsToAcquireBusinesses
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:SubsequentEventType
kar:PendingProceedsFromDivestitureOfBusinesses

kar:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForNotesAndLoansReceivableCurrent
dei:LegalEntity

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
us-gaap:BusinessAcquisition

us-gaap:CostMethodInvestments

us-gaap:DebtInstrumentCarryingAmount
kar:LongtermDebtCreditAgreement, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
kar:LongtermDebtCreditAgreement, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:Range
us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DeferredCostsCurrentAndNoncurrent
us-gaap:BusinessAcquisition

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther

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

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType, us-gaap:PlanName
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:FinanceLeaseLiability
us-gaap:BalanceSheetLocation

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:IndefiniteLivedTradeNames

us-gaap:InterestPayableCurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths
us-gaap:LongtermDebtType
us-gaap:LettersOfCreditOutstandingAmount
kar:LongtermDebtCreditAgreement, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:NotesAndLoansReceivableNetCurrent

us-gaap:OtherIntangibleAssetsNet
kar:FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:PledgedAssetsNotSeparatelyReportedFinanceReceivables

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod
us-gaap:FinancialInstrument

us-gaap:SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding
us-gaap:FinancialInstrument

us-gaap:SelfInsuranceReserve
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType, us-gaap:DisposalGroupClassification
us-gaap:AwardType, us-gaap:StatementOperatingActivitiesSegment
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:SharePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:TemporaryEquityCarryingAmountAttributableToParent
us-gaap:StatementClassOfStock
us-gaap:TemporaryEquitySharesOutstanding

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount
dei:LegalEntity
us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Finite Lived Intangible Assets Net
Assets
Operating Lease Right Of Use Asset
Current Assets
Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Accrued Income Taxes Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Dividends Common Stock Cash
OperatingLeaseLiability
Operating Lease Liability Noncurrent
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CommonStockValue ▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅██████████████████████████1.21.31.31.31.31.31.31.31.31.31.31.31.31.31.31.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.4NA1.4NANA
 us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock▁▃▄▄▄▄▄▄▅▅▅▆▆▆▆▆▇▇▆▇▇▇▇▇█████▇▇▇▇▇▆▆▆▆▆▆▆119.2124.8129.7129.2129.2129.2128.8128.8133.4133.3132.9134.6134.2135.0134.3135.3137.3137.1136.6138.1137.9137.3137.8137.5141.9141.8141.3140.8140.4139.7139.0138.6137.9137.1136.7136.6136.4136.3136.3136.3136.2NA135.5NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█123.2129.7NA130.0129.3130.0NA132.4134.1133.8NA135.6135.6135.8NA137.7138.4138.3NA139.7139.3139.0NA141.8144.1143.9NA142.3141.8140.9NA141.3140.5139.9NA139.2138.9138.5NA138.1136.0NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█122.7129.0NA129.3129.3129.0NA131.2133.4133.1NA134.5134.6134.6NA136.4137.2136.8NA138.0137.6137.2NA139.6141.8141.4NA140.6140.0139.3NA138.3137.5136.8NA136.5136.4136.3NA136.3136.0NANANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 0.6NANANANA0.0NA0.00.00.0NA0.00.00.0NA0.00.00.0NA0.00.00.0NA0.00.00.0NA0.50.40.4NANA0.10.2NA0.40.91.4NA1.0NANANANANA
us-gaap:EarningsPerShareBasic ▂▃▁▃▁▂▃▃▄▅▄▅▅▅█▄▄▅▄▄▄▄▄▄▄▄▄▄▄▃▂▃▃▃▃▃▃▃▃▃▂▄▂▃0.010.25-0.20.23-0.270.020.159999999999999920.270.420.580.50.580.690.671.280.460.420.510.330.390.450.440.350.370.420.390.360.340.360.15-0.130.160.240.210.170.140.180.190.110.24-0.110.290.060.19NA
us-gaap:EarningsPerShareDiluted ▂▃▁▃▁▂▃▃▄▅▄▅▅▅█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▂▃▃▃▃▃▃▃▃▃▂▄▂▃0.010.25-0.20.23-0.270.020.159999999999999920.270.410.580.50.570.690.661.270.460.410.50.330.390.440.440.350.370.410.380.350.330.360.15-0.130.160.240.210.160.140.170.190.110.23-0.110.290.049999999999999990.19NA
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare NANA-2.1e-072.3000000000000002e-07-2.7e-072e-081.2e-072.6e-072.1e-071.1e-071.1e-072.3000000000000002e-072.8e-072.5e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare NANA-2.1e-072.3000000000000002e-07-2.7e-072e-081.2e-072.6e-072.0000000000000002e-071.1e-071.1e-072.3000000000000002e-072.8e-072.5e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:ADESAAuctions█▁516.8515.8NANA362.2567.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:AFC█▁68.665.8NANA56.878.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:AFC█▁68.665.8NANA56.878.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:ADESAAuctions█▁516.8515.8NANA362.2567.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:AFC█▁68.665.8NANA56.878.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:ADESAAuctions█▁516.8515.8NANA362.2567.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:AFC█▁68.665.8NANA56.878.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 TTM Greenblatt ROC _ _▄▃▂▅▁▃▄▅▅▇▇▇█▇▆▇▇▇▆▆▆▆▅▅▆▅▅▅▅▄▂▄▄▄▃▄▄▄▃▄▄▄66.655.213.986.4-4.740.861.685.790.6160.8142.1148.7175.6157.8123.4141.9157.2143.5111.9123.3135.0128.896.9106.0116.5107.996.795.7100.984.429.767.681.378.157.361.773.274.855.677.675.373.4NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AllocatedShareBasedCompensationExpense ▃▃▂▂▂▃▃▃▂▃▃▃▃▃▃▃▃▃▂▃▃▃▂▂▂▂▂▃▃▄█▃▃▂▂▃▃▃▃▁▃4.55.42.93.52.65.05.04.33.97.45.36.65.16.47.45.85.25.83.94.44.65.22.73.23.22.61.55.75.715.150.412.45.0-0.62.37.65.08.36.3-8.511.5NANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▃▅▃▅▂▁▄▃▅▅▄▅▅▅█▅▅▅▄▄▄▅▄▄▅▄▄▄▄▃▂▄▃▃▃▄▃▄▃▃▃▄18.959.210.160.7-19.9-52.134.024.564.085.943.283.881.883.1170.575.567.572.636.849.757.469.439.138.162.636.241.436.758.712.2-24.527.525.123.220.527.919.231.422.25.5-3.449.5NANANA
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization ▅▅▄▅▁▇▇██▇▅▅▅▅333.2330.4325.4329.7235.1394.6394.9410.9417.4393.9332.3330.7330.2328.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▃▃▃▃▂▄▄▄▄█▇▇▇▇▆▅▅▆▅▅▅▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▂518.8526.4515.7507.2423.7604.7609.7616.2628.5886.0786.9784.8781.0792.7767.0701.1700.8723.1701.8650.5636.8616.2585.3560.7541.8524.5509.3493.4484.7499.4510.9466.1460.1479.5436.4413.2414.7432.1424.2371.5397.4411.3NANANA
us-gaap:GainLossOnInvestments ▁█11.760.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperations NANA-17.147.1-32.32.815.334.427.415.315.130.937.434.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperations us-gaap:ConsolidationItems us-gaap:CorporateNonSegmentNANANA-49.5-43.9-45.9-51.1-42.7-50.5-57.6-52.5-49.2-50.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperations us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:ADESAAuctionsNANA-169.070.2-4.424.135.046.450.542.438.151.060.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperations us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:AFCNANA12.626.416.024.631.430.727.430.529.529.127.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▃▆▂▅▁▃▄▅▄▇▆▇█▇▇▇▆▇▆▆▇▇▆▆▇▆▆▆▆▄▃▄▅▅▄▄▄▄▄▅▂▄▃▄▅20.674.5-20.558.0-36.94.824.647.636.1105.988.3102.6128.4116.4103.1100.591.1103.372.286.299.597.475.281.994.389.177.775.980.930.54.442.456.346.130.133.044.144.423.546.9-21.240.84.836.748.5
us-gaap:IncomeTaxExpenseBenefit ▆▇▅▆▅▆▆▆▆▇▇▇█▇▁███▇███▇▇██▇▇█▆▇▇▇▇▆▆▇▇▆▇▅▆▅▆▇9.123.6-3.410.9-4.62.09.313.28.728.121.025.135.226.4-69.737.733.934.126.731.837.736.726.929.634.834.627.428.430.19.822.019.622.917.07.213.820.218.49.014.7-6.91.0-2.511.119.9
us-gaap:IncomeTaxesPaidNet ▃▄▃▃▂▃▄▃▁▆▆▆█▆▇▇▄▇▅▆▇▇▆▆▇▇▅▆▆▅▄▄▄▄▅▃▅▄▃▃▃▄▃4.90000000000000211.76.9000000000000026.1-2.05.610.07.3-8.829.325.025.243.128.634.237.415.139.321.731.535.532.927.929.738.134.222.830.429.419.610.210.811.614.220.87.620.316.66.67.26.516.25.4NANA
us-gaap:InterestExpense ▃▃▃▃▃▄▅▄██▇▇▆▅▅▅▅▅▄▄▄▃▂▂▁▁▁▁▁▂▂▂▂▃▃▃▃▃▃▃▇▃▄▄▄31.230.930.529.530.938.039.537.955.656.952.849.248.541.542.141.540.140.338.036.335.828.724.224.421.821.020.920.320.924.125.426.024.528.829.629.929.630.330.829.449.733.235.135.535.9
us-gaap:NetIncomeLoss ▂▄▂▄▁▂▃▃▄▅▄▅▅▅█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▂▃▃▃▃▃▃▃▃▃▂11.550.9-17.147.1-32.32.819.835.355.677.867.377.593.290.0172.862.857.269.245.554.461.860.748.352.359.554.550.347.550.820.7-17.622.833.429.122.919.223.926.014.532.2-14.3NANA25.628.6
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▅█▂█▁▅▆█▇1.032.6-26.930.0-34.42.815.334.427.4NANANANANANANANANANANANANANANANANANANANANANA22.833.429.122.919.223.926.014.532.2-14.339.8NANANA
us-gaap:OperatingIncomeLoss ▄▃▂▅▁▃▄▅▅▇▇▇█▇▆▇▇▇▆▆▆▆▅▅▆▅▅▅▅▄▂▄▄▄▃▄▄▄▃▄▄▄▃▄▅66.655.213.986.4-4.740.861.685.790.6160.8142.1148.7175.6157.8123.4141.9157.2143.5111.9123.3135.0128.896.9106.0116.5107.996.795.7100.984.429.767.681.378.157.361.773.274.855.677.675.373.447.971.185.7
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▆█▇▇▁▇▅▆▆7.48.327.213.612.4-54.914.2-10.88.48.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▁█▂▃▂▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▃▃▃▃▂-14.850.2-3.91.1-1.32.02.52.01.12.0-1.03.11.30.10.20.11.50.1-0.3-0.80.31.32.50.3-0.42.21.90.50.90.50.10.81.10.62.41.20.5-0.1-1.3-1.36.70.6-0.61.1-1.3
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems us-gaap:CorporateNonSegmentNANANA-0.6-2.61.90.50.6-0.30.1-0.41.10.3-0.20.20.10.30.1-0.4-0.3-0.30.4-0.3-0.20.3-0.1-0.2-0.20.20.0-0.10.00.00.0NANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:ADESAAuctions▂█▁▅▅▄▅▅▅▅▄▅▄▄▄▄▅▄▄▄▅▅▄▅▄▅▅▅▅▅▅▅▅▅-2.95.9-5.21.71.30.01.91.31.31.9-0.51.90.20.30.2-0.20.7-0.4-0.1-0.50.50.60.21.2-0.30.61.00.50.50.40.70.60.90.5NANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,kar:AFC▁█▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▂-11.944.30.00.00.00.10.10.10.10.10.20.10.00.0-0.10.10.00.00.00.00.00.00.00.00.01.50.00.00.00.0-0.70.00.00.0NANANANANANANANANANANA
us-gaap:PreferredStockDividendsIncomeStatementImpact ████▁10.210.09.89.72.1NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RealizedInvestmentGainsLosses ▁█0.217.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▃▃▂▃▁▄▄▄▄█▇▇▇▇▆▆▆▆▅▅▅▅▄▄▄▃▃▃▃▃▂▂▂▃▂▂▂▂▂▁▂▂▁▁▂585.4581.6529.6593.6419.0645.5671.3701.9719.11046.8929.0933.5956.6950.5890.4843.0858.0866.6813.7773.8771.8745.0682.2666.7658.3632.4606.0589.1585.6583.8540.6533.7541.4557.6493.7474.9487.9506.9479.8447.0470.6484.7448.9445.3470.0
us-gaap:SellingGeneralAndAdministrativeExpense ▄▅▄▄▃▆▆▅▆█▆▇▇▇▆▅▅▅▅▅▅▄▄▄▃▃▃▃▃▄▅▃▃▂▂▂▂▃▂▁▂▂▂▂▂140.2149.0139.7131.0112.3162.4164.7158.9163.2207.6176.6186.0182.8187.4172.5155.7154.6157.4148.8146.3146.9141.1128.5128.5123.5121.5113.8116.5114.3126.8156.7120.3112.2100.899.2102.3103.5114.1106.979.998.9102.799.090.490.8
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:Assets ▆▆▅▅▅▄▅▅▄█▆▆▆▆▅▅▅▅▅▅▅▅▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁7118.37160.26798.26909.96494.05999.76581.26579.76377.88324.17206.27300.67194.17266.26984.36905.66856.76580.26557.66586.46568.46490.15791.85726.55755.25476.45351.55370.45278.95235.05127.25122.05117.15239.94922.34926.04868.64854.64779.14611.64649.1NA4525.0NANA
us-gaap:LiabilitiesAndStockholdersEquity ▆▆▅▅▅▄▅▅▄█▆▆▆▆▅▅▅▅▅▅▅▅▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁7118.37160.26798.26909.96494.05999.76581.26579.76377.88324.17206.27300.67194.17266.26984.36905.66856.76580.26557.66586.46568.46490.15791.85726.55755.25476.45351.55370.45278.95235.05127.25122.05117.15239.94922.34926.04868.64854.64779.14611.64649.1NA4525.0NANA
us-gaap:StockholdersEquity ▄▅▆▆▅▅▆▆█▄▃▅▄▄▄▂▃▃▂▄▃▃▂▂▅▅▅▅▄▄▄▄▃▃▃▃▃▂▁▁▁1501.31587.51615.81607.01554.51571.81650.21635.81752.61502.51464.21561.51512.51520.11484.91402.71461.81430.41397.31477.81459.31423.71386.11377.01572.01550.11547.11534.81522.11483.91481.81483.91459.61444.81443.71445.41408.31383.21343.21312.91315.4NA1244.6NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AssetsCurrent ▇█▆█▇▅▇▇▆▇▇▇▇▇▆▆▆▆▅▆▆▆▄▄▄▄▃▃▃▃▂▂▂▃▂▂▁▁▁▁▁3414.63525.53175.23674.63251.12712.93244.53257.73048.93460.23314.23471.63361.33411.13137.43174.13136.12887.62841.22934.32911.73179.92446.12384.32381.22217.22074.92082.91994.11954.11791.51782.71756.81914.71581.41587.71514.91476.01373.21410.11412.7NA1254.7NANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▅▅█▆▂▃▃▂▂▂▃▃▂▂▃▄▂▂▂▂▄▁▁▂▁▁▂▂▂▂▂▁▂▁▁▁▁▁▂▂▂▁▃▂621.6759.0752.11276.7968.5293.1507.6508.6233.0265.6337.1455.1369.8330.8317.2432.1530.4188.0201.8323.1314.7676.3155.0125.3204.8178.4152.9214.9285.3251.2191.6196.0168.1322.1108.7163.7117.1125.297.4203.6200.3242.3119.1379.8289.4
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▄▅▅█▆▂▃▃▁▂▂▃▂▂▂▃▃▁▁675.4811.5812.31331.41018.5407.5560.9531.9256.7289.9364.7477.7390.5351.4336.6450.7548.7206.4219.7NANANA171.2NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▄▅▂▃▄▁▃▄▄█▆▇▇█▆▆▆▆▅▅▆▅▄▄▄▄▃▃▃▃▂▂▂▃▂▂▂▂▂▂▂549.2659.3367.2494.1582.3244.1457.5510.2592.8962.5765.6851.2840.1963.6725.5761.9711.0773.0682.9681.8721.4662.9511.9562.0533.2525.3401.2450.5402.6457.4354.3385.4396.4468.0342.4385.3358.4391.2297.4318.0339.3NA271.9NANA
us-gaap:OtherAssetsCurrent ▃▃▃▄▄▄▄▄▅█▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▃▂▂▁▁▁▁105.195.8106.7126.3124.0131.5125.9120.0143.8233.0183.1176.8185.6176.2175.7165.1152.4159.8158.4138.4131.5129.6131.0120.2117.4110.899.787.891.794.591.091.088.685.686.862.966.156.558.548.446.3NA52.4NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NoncurrentAssets NANA3623.0NANANA3336.7NANANA3892.0NANANA3846.9NANANA3716.4NANANA3345.7NANANA3276.6NANANA3335.7NANANA3340.9NANANA3405.9NANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:USNANA3198.6NANANA2877.8NANANA3533.7NANANA3452.4NANANA3447.5NANANA3158.2NANANA3088.8NANANA3127.0NANANA3097.3NANANA3158.4NANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical us-gaap:NonUsNANA424.4NANANA458.9NANANA358.3NANANA394.5NANANA268.9NANANA187.5NANANA187.8NANANANANANANANANANANANANANANANANANA
us-gaap:AssetsNoncurrent ▆▆▆▄▄▅▂▂▂█▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▂▂▁▂▂▂▂▂▁▁3703.73634.73623.03235.33242.93286.82727.72718.92733.94035.62915.82917.02928.32945.52938.72861.02879.32855.12873.92824.42848.42539.62578.82595.12623.72530.82548.72572.42568.32587.32631.92640.12668.32630.22640.22649.52669.52694.62719.22525.22554.6NA2589.8NANA
us-gaap:PropertyPlantAndEquipmentGross NANA1186.3NANANA1143.3NANANA1832.8NANANA1663.3NANANA1498.1NANANA1336.5NANANA1235.1NANANA1176.4NANANA1116.2NANANA1049.1NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:BalanceSheetLocation kar:FinanceleaseNANA107.0NANANA102.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType kar:BuildingAndLeaseholdImprovementsNANA146.4NANANA133.6NANANA520.7NANANA436.8NANANA384.5NANANA348.4NANANA313.5NANANA273.8NANANA231.7NANANA193.1NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType kar:FurnitureFixturesAndEquipmentNANA358.9NANANA344.0NANANA520.9NANANA456.4NANANA388.6NANANA325.5NANANA271.9NANANA254.5NANANA231.8NANANA199.8NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingNANA248.3NANANA247.3NANANA245.5NANANA249.5NANANA244.7NANANA217.0NANANA223.7NANANA228.3NANANA232.1NANANA224.8NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA19.0NANANA12.7NANANA54.5NANANA53.6NANANA27.1NANANA44.7NANANA26.1NANANA19.0NANANA14.7NANANA33.5NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA205.6NANANA205.5NANANA295.4NANANA270.9NANANA266.4NANANA236.8NANANA240.4NANANA246.3NANANA257.9NANANA260.7NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandImprovementsNANA191.3NANANA183.7NANANA173.3NANANA173.8NANANA167.7NANANA149.1NANANA148.0NANANA145.3NANANA141.7NANANA130.4NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:VehiclesNANA16.8NANANA16.5NANANA22.5NANANA22.3NANANA19.1NANANA15.0NANANA11.5NANANA9.2NANANA6.3NANANA6.8NANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▅▅▅▄▄▄▄▃▃███▇▇▇▆▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁620.7606.8596.4578.6562.3544.0534.3517.1502.4825.8856.6833.7805.9780.2755.1728.9704.0678.9655.6632.1613.0591.8569.6552.7537.5519.4507.2515.3502.5486.1472.6459.3443.4429.8415.5405.8390.8379.0362.4344.7334.2NA299.8NANA
us-gaap:PropertyPlantAndEquipmentNet ▁▁▁▁▁▁▂▁▁▅█▇▇▇▇▆▆▆▆▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃579.6578.2589.9585.2583.7594.0609.0603.1595.0828.3976.2912.0904.5909.6908.2870.5841.3837.5842.5827.7808.3770.6766.9747.1750.3728.4727.9715.1716.5693.6703.8699.2692.0695.0700.7688.8684.2684.0686.7676.3681.8NA680.5NANA
us-gaap:Goodwill ▇▆▆▃▃▃▃▃▃█▇▇▇▇▆▆▆▅▅▅▅▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁2212.52135.92140.21798.21790.91810.71821.71810.31817.62374.02213.72209.72208.52212.02191.72096.82095.52058.32057.02008.32006.01795.71795.91793.81795.01715.41705.21705.41705.61705.41705.11702.21701.61679.51679.61679.71679.51679.51679.51555.81556.1NA1554.1NANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▁▂▁▁▁▂▂▂▃▃▃▃▃▄▄▄▅▅▅▅▄▄▅▅▅▅▆▆▆▆▇▇▇▇▇███199.8198.9211.3168.6179.3194.5207.9218.3231.1311.7302.3315.6332.5353.0375.6395.9417.1438.6461.0461.8487.8400.5417.7438.0461.9465.2484.4506.5529.8546.9569.9582.5600.1597.3618.9639.1658.3678.3694.0NANANA712.6NANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA118.6NANANA128.6NANANANANANANANANANANANANANANANANANANA-292.4NANANA-318.6NANANA-283.2NANANA-286.4NANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▄▄▄▄▄▄▄▄▄█▁339.0343.0350.6354.9353.1358.7364.1366.4370.5942.50.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▇█▄▄▄▃▃▃▃▄▄▃▃▃▂▄▄▄▃▃▃▃▃▃▃▃▃▃▁▁▁▁▂▁▁▁▁▁▁▁▁88.595.740.844.045.033.735.528.326.941.041.338.138.936.320.842.641.540.935.836.835.233.934.134.735.035.636.237.07.69.211.99.915.68.411.68.79.49.911.211.611.7NA11.9NANA
us-gaap:EquitySecuritiesFvNi ▁█39.151.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AccountsPayableCurrent ██▄▆▇▁▄▄▆▇▅▆▆▆▄▅▄▅▄▄▅▅▃▄▄▄▂▃▃▃▂▂▂▃▁▂▂▂▁▁▂1074.51118.1688.9938.1983.8354.3704.6718.5847.1997.8820.3870.3874.4942.7682.7754.6735.5786.5648.5700.3749.2768.2608.4627.6629.9638.0471.7532.3519.7587.8435.5490.3516.3591.6388.4465.3452.7515.2367.8384.7420.1NA287.7NANA
us-gaap:AccruedIncomeTaxesCurrent ▂▂▂▃▃▁▁▁▁▂▂▂▂▁▃▃▃▂▃▂▂▁▃▅▄▃▃▃▂▁▂▁▁▁▁█▆▃▁▄▆2.82.73.25.66.10.91.11.21.12.12.93.42.71.35.85.44.62.05.03.92.30.65.312.58.56.05.56.92.00.32.30.80.60.60.620.113.85.40.58.413.8NA2.9NANA
us-gaap:LiabilitiesCurrent ▇▇▅▆▄▅▆▆▇█▇▇▇▇▆▆▅▆▆▆▅▅▅▅▄▃▃▃▃▃▂▂▂▃▂▂▂▂▁▁▁2683.32656.02250.62354.52009.32018.82517.72516.22668.42945.62624.82624.92564.22627.92389.22347.62262.92333.62335.02283.92275.72229.92226.12147.61975.81720.11590.61631.61544.61550.91434.61419.61449.91599.41286.91268.31240.01238.61196.21079.51126.1NA966.8NANA
us-gaap:LongTermDebtCurrent ▂▂▂▂▂▂▂▂▄▆▁▂▂▂▁▂▂▂▅▂▂▂▇▆▂▂▂▂▂▂▂▁▁█▃▂▂▂▄▂▂22.730.424.326.426.927.028.827.093.5126.313.117.717.716.812.416.817.738.0105.224.724.724.7153.9144.517.717.717.716.117.717.732.50.00.0189.443.717.017.017.085.917.017.0NA0.0NANA
us-gaap:OtherAccruedLiabilitiesCurrent ▅▅▄▅▅▅▅▅▆█▅▄▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▂186.4189.4185.2197.9194.3186.7216.9211.6226.1302.8186.3183.4164.3167.9171.5155.3147.9147.6149.4145.5147.0129.3128.4124.1120.6111.4114.4106.5102.599.393.098.199.572.775.875.667.669.171.775.190.6NA88.8NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:LiabilitiesNoncurrent ▂▂▃▃▃▃▃▃▁█▅▅▅▅▅▅▅▄▄▄▄▄▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂2363.72356.92382.02408.42402.02409.12413.32427.71956.83876.03117.23114.23117.43118.23110.23155.33132.02816.22825.32824.72833.42836.52179.62201.92207.42206.22213.82204.02212.22200.22210.82218.52207.62195.72191.72212.32220.32232.82239.72219.22207.6NA2313.6NANA
us-gaap:LongTermDebt NANA1902.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ▄▄▄▄▄▄▄▄▁████████▆▆▆▆▆▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃1851.81852.81853.81854.81856.91860.11861.31863.01390.82650.92654.32657.62660.92664.32667.72671.02675.22360.52365.12371.82378.32385.51719.31723.61727.91732.21736.61740.91745.21749.51734.71770.31773.11774.91774.61805.21809.11813.01816.91820.81824.7NA1875.7NANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ██▅▄▁▁▅137.1136.1128.6125.1115.8116.9128.6NANANA188.4NANANA192.7NANANA291.7NANANA300.8NANANA292.4NANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▁▁▂▂▂▂▂▂▂▃████▇▆▅▅▅▅▅▄▅▅▄▄▄▄▄▃▄▃▃▃▃▃▃▃▃▂▂42.831.755.479.982.079.059.273.270.2112.2274.5267.0264.5259.4249.8188.1162.1167.0168.5163.5160.9153.1159.5156.1150.9141.9143.8137.8133.8116.0121.3105.299.1100.998.5101.099.7100.198.980.171.7NA111.6NANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▄▄▄▄▄▄▄▄▄█▁332.0336.3344.2348.6347.3353.1358.3361.1365.5919.70.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA55.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA53.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA51.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA49.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA244.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:StockholdersEquity ▄▅▆▆▅▅▆▆█▄▃▅▄▄▄▂▃▃▂▄▃▃▂▂▅▅▅▅▄▄▄▄▃▃▃▃▃▂▁▁▁1501.31587.51615.81607.01554.51571.81650.21635.81752.61502.51464.21561.51512.51520.11484.91402.71461.81430.41397.31477.81459.31423.71386.11377.01572.01550.11547.11534.81522.11483.91481.81483.91459.61444.81443.71445.41408.31383.21343.21312.91315.4NA1244.6NANA
us-gaap:CommonStockValue ▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅██████████████████████████1.21.31.31.31.31.31.31.31.31.31.31.31.31.31.31.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.4NA1.4NANA
us-gaap:AdditionalPaidInCapitalCommonStock ▁▂▃▃▃▃▂▂▄▃▃▄▄▅▅▅▆▆▆▆▆▆▆▆██████▇▇▇▆▆▆▆▆▆▆▆874.6969.41046.51037.81034.21031.61028.91024.01140.81131.51131.91225.91213.61255.91251.81292.91384.21376.31371.11442.81433.91415.71407.61400.41596.41598.81593.71584.61573.41558.81534.01476.81453.71437.81433.91430.11420.91415.01406.41398.31406.3NA1381.6NANA
us-gaap:RetainedEarningsAccumulatedDeficit ████▇████▆▆▅▅▅▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▂▁▁▁642.5641.2600.7627.8592.5624.8651.0655.7644.9422.9392.3371.5341.1295.0257.0131.3111.898.674.174.259.938.117.36.2-9.0-30.2-46.4-58.5-70.8-86.5-72.3-19.9-16.4-23.6-26.7-23.6-42.8-66.7-92.7-107.2-139.4NA-164.9NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▄▄▂▂▁▄▃▄▃▂▄▃▄▄▄▄▃▃▃▄▄▃▄▅▄▅▆▆▆▇▇▇▇▇▇▇▇▇▇█-17.0-24.4-32.7-59.9-73.5-85.9-31.0-45.2-34.4-53.2-61.3-37.2-43.5-32.1-25.2-22.9-35.6-45.9-49.3-40.6-35.9-31.5-40.2-31.0-16.8-19.9-1.67.318.110.218.725.620.929.235.137.528.833.528.120.447.1NA26.5NANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▂▂▁▂▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▂▂▃█▃▂▁▁▂▂▂4.55.42.93.52.65.05.04.34.77.45.36.65.16.47.45.85.25.83.94.44.65.22.73.23.22.61.55.75.715.150.412.45.0-0.62.37.65.08.3NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█131.2164.5NANA318.1-49.2NANA68.093.7164.0199.1234.4152.3100.9114.0231.9142.069.9126.294.670.1NANANANANANANANANANANANANANANANANA48.0NANANA90.1NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█-246.5-79.2NANA369.2116.7NANA-112.9-156.0-147.1-68.6-74.0-91.5-178.8-109.9-69.9-21.2-134.4-99.8-430.8-100.3NANANANANANANANANANANANANANANANANA-46.7NANANA-37.6NA
us-gaap:NetCashProvidedByUsedInFinancingActivities █▁-24.6-88.7NANA-82.7-197.2NANA-1369.3-18.3-114.4-48.2-115.7-41.8-34.5-110.9174.2-136.4-52.2-15.2-25.4546.0NANANANANANANANANANANANANANANANANA6.4NANANA37.5NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▄▁▆█▃▄▆▄▄▄▅▄▄▄▄▆▄-136.1-0.8-519.1312.9611.0-153.429.0275.226.8-74.8-113.087.239.114.8-114.1-98.0342.3-13.3NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AmortizationOfFinancingCosts ▄▄▅▄▄▄▄▃█▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▁▁▁▁▁▄▅▅▄▂▂▁▁▂▂▂▄▅▅▅3.03.03.13.02.92.72.62.54.52.62.62.72.62.72.62.72.62.52.32.32.22.01.91.91.71.71.61.61.52.83.13.22.72.11.91.71.71.81.82.02.93.43.43.4NA
us-gaap:DeferredIncomeTaxExpenseBenefit ▇▇▇▇▆▇▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇▇█▇▇▇▇▆▇▆█▇▇▇█▇▆▇▇▆▇▇▇▇1.65.2-4.210.1-8.4-4.7-5.8-1.10.23.42.4-2.4-2.32.4-101.41.19.9-3.17.6-4.6-3.7-3.519.4-5.3-5.9-3.24.2-7.2-1.3-20.211.47.32.11.914.9-6.3-7.7-4.68.3-6.9-2.0-2.9-5.06.4NA
us-gaap:DepreciationDepletionAndAmortization ▂▂▃▂▂▂▃▂▂▇▇▇▇██▇▇▇▇▆▅▅▄▄▃▃▃▃▃▃▃▃▃▂▂▂▃▃▃▁▁▂▂▁▁45.447.050.646.546.547.750.146.447.966.167.165.666.970.369.466.264.564.564.760.559.056.456.054.151.850.951.348.948.348.148.549.649.047.346.846.848.048.648.343.843.644.144.042.241.8
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█131.2164.5NANA318.1-49.2NANA68.093.7164.0199.1234.4152.3100.9114.0231.9142.069.9126.294.670.1NANANANANANANANANANANANANANANANANA48.0NANANA90.1NA
us-gaap:NetIncomeLoss ▂▄▂▄▁▂▃▃▄▅▄▅▅▅█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▂▃▃▃▃▃▃▃▃▃▂11.550.9-17.147.1-32.32.819.835.355.677.867.377.593.290.0172.862.857.269.245.554.461.860.748.352.359.554.550.347.550.820.7-17.622.833.429.122.919.223.926.014.532.2-14.3NANA25.628.6
us-gaap:ShareBasedCompensation ▃▃▂▂▂▃▃▃▂▃▃▃▃▃▃▃▃▃▂▃▃▃▂▂▂▂▂▃▃▄█▃▃▂▂▃▃▃▃▁▃▃▃▃4.55.42.93.52.65.05.04.32.97.45.36.65.16.47.45.85.25.83.94.44.65.22.73.23.22.61.55.75.715.150.412.45.0-0.62.37.65.08.36.3-8.511.57.77.45.2NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█-246.5-79.2NANA369.2116.7NANA-112.9-156.0-147.1-68.6-74.0-91.5-178.8-109.9-69.9-21.2-134.4-99.8-430.8-100.3NANANANANANANANANANANANANANANANANA-46.7NANANA-37.6NA
us-gaap:PaymentsToAcquireProductiveAssets ▄▁▃▃▁▃▃▅▂▅█▄▄▄▄▃▄▄▄▄▄▃▄▃▄▂▃▂▂▂▂▂▃▂▄▂▂▁▂▂▂▁▄▂36.214.527.127.617.129.634.049.224.454.076.940.941.538.742.134.738.237.236.643.039.536.042.428.139.125.130.723.024.922.421.322.130.622.641.223.524.013.321.624.923.216.137.019.9NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities █▁-24.6-88.7NANA-82.7-197.2NANA-1369.3-18.3-114.4-48.2-115.7-41.8-34.5-110.9174.2-136.4-52.2-15.2-25.4546.0NANANANANANANANANANANANANANANANANA6.4NANANA37.5NA
us-gaap:RepaymentsOfLongTermDebt ▁▁▁▁▁▁▁▂▅▁▁▁▁▁▁▁█▁▁▁▁▃▁▁▁▁▁▁▁▆▁▁▁▁▁▁▁▁▁▁2.32.42.42.42.32.42.4455.51280.410.79.04.43.60.08.85.32416.56.18.28.08.8637.64.68.14.44.42.96.04.41771.83.53.12.14.64.24.34.24.34.34.2NANA75.00.0NA
us-gaap:PaymentsForRepurchaseOfCommonStock █▁100.180.8NANANANA0.0119.7NANA100.00.0NANA50.0100.0NANA80.40.00.00.00.0205.511.910.20.00.00.00.0NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1200000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesIssued

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value119124129129129129128128133133132134134135134135137137136138137137137137141141141140140139139138137137136136136136136136136135134106
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value123129130129130132134133135135135137138138139139139141144143142141140141140139139138138138136
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value122129129129129131133133134134134136137136138137137139141141140140139138137136136136136136136
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value600000.00000000000000000500000.0400000.0400000.0100000.0200000.0400000.0900000.01400000.01000000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.010.25-0.20.23-0.270.020.160.270.420.580.50.580.690.671.280.460.420.510.330.390.450.440.350.370.420.390.360.340.360.15-0.130.160.240.210.170.140.180.190.110.24-0.110.290.060.19
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.010.25-0.20.23-0.270.020.160.270.410.580.50.570.690.661.270.460.410.50.330.390.440.440.350.370.410.380.350.330.360.15-0.130.160.240.210.160.140.170.190.110.23-0.110.290.050.19
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare


Income
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
Value-0.210.23-0.270.020.120.260.210.110.110.230.280.25
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare


Income
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
Value-0.210.23-0.270.020.120.260.20.110.110.230.280.25
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value4.55.42.93.52.65.05.04.33.97.45.36.65.16.47.45.85.25.83.94.44.65.22.73.23.22.61.55.75.71550125.0-0.62.37.65.08.36.3-8.511
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.80.90.50.60.60.80.70.60.50.70.60.70.50.70.80.70.60.70.50.60.60.70.40.50.50.40.21.01.02.69.32.30.9-0.10.51.61.01.61.3-1.92.4

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

kar:MarketOptions


Allocated
Period End2021-06-302021-03-31
Value1.71.1
Percentage of AllocatedShareBasedCompensationExpense37.820.4
Percentage of Revenues0.30.2
Percentage of Revenues kar:MarketOptions0.00.0

kar:PRSUs


Allocated
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
Value0.92.21.21.30.81.52.52.61.33.82.73.72.23.44.53.12.53.12.12.52.63.11.51.71.71.31.00.90.90.70.20.00.00.0
Percentage of AllocatedShareBasedCompensationExpense20.040.741.437.130.830.050.060.533.351.450.956.143.153.160.853.448.153.453.856.856.559.655.653.153.150.066.715.815.84.60.40.00.0-0.0
Percentage of Revenues0.20.40.20.20.20.20.40.40.20.40.30.40.20.40.50.40.30.40.30.30.30.40.20.30.30.20.20.20.20.10.00.00.00.0
Percentage of Revenues kar:PRSUs0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

kar:ServiceOptions


Allocated
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.30.30.00.00.00.00.00.00.10.10.30.30.40.50.50.80.80.90.71.01.00.90.50.80.70.70.40.70.70.50.50.30.3
Percentage of AllocatedShareBasedCompensationExpense6.75.60.00.00.00.00.00.02.01.64.15.27.78.618.525.025.034.646.717.517.56.01.06.514.0-116.717.49.214.06.07.9-3.52.6
Percentage of Revenues0.10.10.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.20.20.20.10.10.10.10.10.10.10.10.10.10.1
Percentage of Revenues kar:ServiceOptions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Allocated
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
Value1.61.81.72.21.83.52.51.72.63.62.62.92.82.92.62.42.32.21.51.41.51.50.70.70.70.40.00.00.00.0
Percentage of AllocatedShareBasedCompensationExpense35.633.358.662.969.270.050.039.566.748.649.143.954.945.335.141.444.237.938.531.832.628.825.921.921.915.40.00.00.00.0
Percentage of Revenues0.30.30.30.40.40.50.40.20.40.30.30.30.30.30.30.30.30.30.20.20.20.20.10.10.10.10.00.00.00.0
Percentage of Revenues us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value18591060-19.9-52.13424648543838183170756772364957693938623641365812-24.527252320271931225.5-3.449
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.210.21.910.2-4.7-8.15.13.58.98.24.79.08.68.719.19.07.98.44.56.47.49.35.75.79.55.76.86.210.02.1-4.55.24.64.24.25.93.96.24.61.2-0.710.2

Cost Of Goods And Service Excluding Depreciation Depletion And Amortization

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization


Cost
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
Value333330325329235394394410417393332330330328
Percentage of CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues56.956.861.455.556.161.158.858.558.037.635.835.434.534.5

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value319316308309217370370386392370309307
Percentage of CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization95.995.994.893.892.493.993.994.094.194.193.293.1
Percentage of Revenues54.654.558.252.151.857.455.355.054.635.433.333.0
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions61.861.40.00.060.065.40.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value131317201723242424232222
Percentage of CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization4.14.15.26.27.66.16.16.05.95.96.86.9
Percentage of Revenues2.32.33.23.44.33.73.63.53.42.22.42.5
Percentage of Revenues us-gaap:OperatingSegments kar:AFC20.020.50.00.031.530.40.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
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
Value518526515507423604609616628886786784781792767701700723701650636616585560541524509493484499510466460479436413414432424371397411
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues88.690.597.485.4101.193.790.887.887.484.684.784.181.683.486.183.281.783.486.284.182.582.785.884.182.382.984.083.882.885.594.587.385.086.088.487.085.085.288.483.184.484.9

us-gaap:CostsAndExpenses us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Costs
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value33323942374249434445474441414233373736312827272124232462322315
Percentage of CostsAndExpenses6.57.86.46.96.26.75.65.55.75.96.05.75.95.95.94.85.75.95.95.35.15.15.24.25.04.84.812.36.95.13.3
Percentage of Revenues5.67.96.06.35.45.94.74.74.84.85.04.94.94.84.94.14.84.94.94.64.34.24.33.54.24.04.111.66.04.32.9
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostsAndExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Costs
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
Value493501580445364532534545552532449451446446412388390405431359347324299292280275265258250259245237242244
Percentage of CostsAndExpenses95.295.3112.687.886.188.187.788.588.060.157.257.557.256.353.755.455.856.161.555.354.652.651.252.251.852.652.152.451.652.048.150.952.751.0
Percentage of Revenues84.486.3109.675.087.082.579.777.776.950.948.448.446.746.946.346.145.546.853.146.545.143.543.943.942.643.643.843.942.744.545.544.544.843.8
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions95.597.30.00.0100.793.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Costs
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
Value25244028263332333332323334383736363634363635343434333232313231292623
Percentage of CostsAndExpenses4.84.77.85.76.25.55.45.45.33.74.14.24.44.84.85.35.25.14.95.65.75.75.96.26.36.36.36.66.56.56.16.45.74.8
Percentage of Revenues4.34.27.64.86.25.14.94.74.73.13.43.63.64.04.24.44.34.34.34.74.74.75.05.25.25.35.35.55.45.65.85.64.84.1
Percentage of Revenues us-gaap:OperatingSegments kar:AFC36.437.50.00.046.042.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302021-03-31
Value1160
Percentage of GainLossOnInvestments100.0100.0
Percentage of Revenues2.010.4

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
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
Value-17.147-32.32.81534271515303734
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-3.27.9-7.70.42.34.93.81.51.63.33.93.6

us-gaap:IncomeLossFromContinuingOperations us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-49.5-43.9-45.9-51.1-42.7-50.5-57.6-52.5-49.2-50.3
Percentage of IncomeLossFromContinuingOperations-105.1135.9-1639.3-334.0-124.1-184.3-376.5-347.7-159.2-134.5
Percentage of Revenues-8.3-10.5-7.1-7.6-6.1-7.0-5.5-5.7-5.3-5.3
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperations us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-169.070-4.42435465042385160
Percentage of IncomeLossFromContinuingOperations988.3149.013.6860.7228.8134.9184.3277.1252.3165.0160.4
Percentage of Revenues-31.911.8-1.13.75.26.67.04.14.15.56.3
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions0.00.0-1.24.30.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1226162431302730292927
Percentage of IncomeLossFromContinuingOperations-73.756.1-49.5878.6205.289.2100.0199.3195.494.274.1
Percentage of Revenues2.44.43.83.84.74.43.82.93.23.12.9
Percentage of Revenues us-gaap:OperatingSegments kar:AFC0.00.028.231.30.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2074-20.558-36.94.824473610588102128116103100911037286999775819489777580304.4425646303344442346-21.2404.83648
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.512.8-3.99.8-8.80.73.76.85.010.19.511.013.412.211.611.910.611.98.911.112.913.111.012.314.314.112.812.913.85.20.87.910.48.36.16.99.08.84.910.5-4.58.41.18.210.3

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-68.9-56.6-60.8-64.8-55.9-74.9-69.3-62.9-61.6-62.1-54.0-51.3-52.0-87.1-59.9-49.5-52.9-51.1-43.6-33.0-30.7-24.6-22.4-18.4-22.0-22.0-55.5-64.4-34.2-24.8-23.4
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-118.8153.4-1266.7-263.4-117.4-207.5-65.4-71.2-60.0-48.4-46.4-49.8-51.7-95.6-58.0-68.6-61.4-51.4-44.8-43.9-37.5-26.1-25.1-23.7-29.0-27.2-182.0-1463.6-80.7-44.0-50.8
Percentage of Revenues-11.6-13.5-9.4-9.7-8.0-10.4-6.6-6.8-6.6-6.5-5.7-5.8-6.2-10.2-6.9-6.1-6.8-6.6-5.9-4.8-4.6-3.7-3.5-3.0-3.7-3.8-9.5-11.9-6.4-4.6-4.2
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-1.8-1.7-223.396-1.93248627258497083696976878043697362394549373135372414232823
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-8.7-2.31089.3165.95.1685.4196.3131.7200.355.155.768.265.059.967.376.296.077.760.881.073.764.351.955.752.542.040.447.046.781.0331.855.750.651.2
Percentage of Revenues-0.3-0.3-42.216.2-0.55.17.28.910.15.65.37.58.77.37.89.110.29.35.49.09.58.45.76.87.55.95.26.16.54.22.74.45.34.2
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions-0.3-0.30.00.0-0.55.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value22761630213241403841383837343332323232343738343530333332302827302730
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments108.7102.3-80.552.9-58.5681.2167.185.7107.239.043.337.128.829.332.031.836.031.744.340.437.239.646.343.632.037.943.542.337.794.4629.572.649.065.5
Percentage of Revenues3.813.13.15.25.25.16.15.85.43.94.14.13.93.63.73.83.83.83.94.54.85.25.15.44.65.35.65.45.24.95.15.85.15.4
Percentage of Revenues us-gaap:OperatingSegments kar:AFC32.7115.80.00.038.041.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9.123-3.410-4.62.09.3138.72821253526-69.737333426313736262934342728309.8221922177.21320189.014-6.91.0-2.51119
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.64.1-0.61.8-1.10.31.41.91.22.72.32.73.72.8-7.84.54.03.93.34.14.94.93.94.45.35.54.54.85.11.74.13.74.23.01.52.94.13.61.93.3-1.50.2-0.62.54.2

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-19.4-12.7-14.9-13.7-13.2-24.4-17.8-14.8-17.2-15.2-13.8-4.4-19.4-33.0-24.7-18.3-20.2-18.5-16.1-11.5-11.4-8.8-8.4-6.4-8.1-8.1-21.9-5.1-9.9-8.3-8.3
Percentage of IncomeTaxExpenseBenefit-178.0276.1-745.0-147.3-100.0-280.5-63.3-70.5-68.5-43.2-52.36.3-51.5-97.3-72.4-68.5-63.5-49.1-43.9-42.8-38.5-25.3-24.3-23.4-28.5-26.9-223.5-23.2-50.5-36.2-48.8
Percentage of Revenues-3.3-3.0-2.3-2.0-1.9-3.4-1.7-1.6-1.8-1.6-1.5-0.5-2.3-3.8-2.9-2.2-2.6-2.4-2.2-1.7-1.7-1.3-1.3-1.1-1.4-1.4-3.8-0.9-1.9-1.5-1.5
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3.44.1-54.3262.58.81316211511192315-39.529332916262723131617147.513138.9119.1117.9
Percentage of IncomeTaxExpenseBenefit37.417.41597.1238.5-54.3440.0143.0123.5250.656.652.975.766.858.756.778.599.785.059.982.771.963.551.754.150.343.127.447.244.590.854.146.448.946.5
Percentage of Revenues0.60.7-10.34.40.61.42.02.33.01.51.22.02.51.6-4.43.53.93.32.03.43.53.12.02.42.72.41.22.32.31.52.21.72.11.4
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions0.70.80.00.00.71.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.7193.94.35.68.19.71011108.79.09.38.4-9.31112111213141413131112131211106.0121011
Percentage of IncomeTaxExpenseBenefit62.682.6-114.739.4-121.7405.0104.376.5129.938.441.435.926.431.813.330.836.934.645.741.537.139.849.845.933.037.050.742.638.9111.227.361.246.767.6
Percentage of Revenues1.03.40.70.71.31.31.41.41.61.00.91.01.00.9-1.01.41.51.41.51.71.82.02.02.01.72.02.32.12.01.91.12.22.02.1
Percentage of Revenues us-gaap:OperatingSegments kar:AFC8.329.60.00.09.910.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value4.900000000000002116.9000000000000026.1-2.05.610.07.3-8.829252543283437153921313532272938342230291910101114207.620166.67.26.5165.4
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.82.01.31.0-0.50.91.51.0-1.22.82.72.74.53.03.84.41.84.52.74.14.64.44.14.55.85.43.85.25.03.41.92.02.12.54.21.64.23.31.41.61.43.31.2

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value313030293038393755565249484142414040383635282424212120202024252624282929293030294933353535
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.35.35.85.07.45.95.95.47.75.45.75.35.14.44.74.94.74.74.74.74.63.93.53.73.33.33.43.43.64.14.74.94.55.26.06.36.16.06.46.610.66.87.88.07.6

us-gaap:InterestExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value21212323213839353333272930292928272720171716151515161920212024
Percentage of InterestExpense71.968.062.159.255.769.168.768.068.568.266.370.373.073.673.975.576.076.872.571.172.173.974.875.675.976.679.781.180.882.484.7
Percentage of Revenues3.65.03.73.53.05.33.73.93.63.52.93.33.63.43.43.53.63.62.82.52.62.42.52.62.62.73.33.83.93.74.4
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2121870.80.70.80.91.11.00.70.50.50.60.60.70.20.10.2-0.10.00.10.10.10.20.20.20.20.20.20.30.30.20.20.3
Percentage of InterestExpense69.969.9286.92.72.32.12.32.91.81.20.91.01.21.41.70.50.20.5-0.30.00.30.30.40.80.91.01.01.01.01.21.20.80.81.0
Percentage of Revenues3.73.716.50.10.20.10.10.20.10.10.10.10.10.10.10.00.00.0-0.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.1
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions4.24.20.00.00.20.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value9.49.38.87.59.2131515161716151413111110109.48.78.27.86.96.65.55.14.94.74.64.54.44.63.93.8
Percentage of InterestExpense30.130.128.925.429.835.838.541.429.130.131.130.530.532.328.026.526.225.624.724.022.927.228.527.025.224.323.423.222.018.717.317.715.913.2
Percentage of Revenues1.61.61.71.32.22.12.32.22.31.61.81.61.51.41.31.31.21.21.21.11.11.01.01.00.80.80.80.80.80.80.80.90.70.7
Percentage of Revenues us-gaap:OperatingSegments kar:AFC13.714.10.00.016.217.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-09-302010-06-30
Value1150-17.147-32.32.81935557767779390172625769455461604852595450475020-17.6223329221923261432-14.32528
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.08.8-3.27.9-7.70.42.95.07.77.47.28.39.79.519.47.46.78.05.67.08.08.17.17.89.08.68.38.18.73.5-3.34.36.25.24.64.04.95.13.07.2-3.05.76.1

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-5.2-5.8-45.5-18.642385160541084753512743463925293222232224152.7141715
Percentage of NetIncomeLoss-45.2-11.4140.9-664.354.556.665.864.460.263.074.893.974.161.380.074.864.752.056.653.841.347.546.948.076.3-15.363.651.854.0
Percentage of Revenues-0.9-1.0-10.9-2.94.14.15.56.35.712.25.66.35.93.45.66.05.33.74.44.93.63.93.84.22.70.52.73.22.8
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions-1.0-1.1-12.6-3.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1656132130292927254220202019212324212218211920181721181618
Percentage of NetIncomeLoss145.2111.4-40.9764.339.243.837.529.728.624.532.535.530.243.539.737.239.544.342.331.438.539.642.137.086.5-123.382.550.664.3
Percentage of Revenues2.99.73.23.32.93.23.12.92.74.82.42.42.42.42.83.03.23.13.32.83.33.33.43.23.14.03.53.13.4
Percentage of Revenues us-gaap:OperatingSegments kar:AFC24.386.223.227.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-12-312011-09-30
Value1150-17.147-32.32.819355577677793901726257694554616048525954504750201432
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.08.8-3.27.9-7.70.42.95.07.77.47.28.39.79.519.47.46.78.05.67.08.08.17.17.89.08.68.38.18.73.53.07.2
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1.032-26.930-34.42.8153427223329221923261432-14.339
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.25.6-5.15.1-8.20.42.34.93.84.36.25.24.64.04.95.13.07.2-3.08.2

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value66551386-4.74061859016014214817515712314115714311112313512896106116107969510084296781785761737455777573477185
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.49.52.614.6-1.16.39.212.212.615.415.315.918.416.613.916.818.316.613.815.917.517.314.215.917.717.116.016.217.214.55.512.715.014.011.613.015.014.811.617.416.015.110.716.018.2

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-33.2-32.9-39.0-42.2-37.9-42.2-49.4-43.6-44.4-45.7-47.3-44.0-41.1-41.5-42.7-33.6-37.4-37.6-36.2-31.2-28.6-27.6-27.1-21.5-24.5-23.5-24.2-62.9-32.0-23.4-15.9
Percentage of OperatingIncomeLoss-38.4700.0-95.6-68.5-44.2-46.6-30.7-30.7-29.9-26.0-30.0-35.7-29.0-26.4-29.8-30.0-30.3-27.9-28.1-32.2-27.0-23.7-25.1-22.2-25.6-23.3-28.7-211.8-47.3-28.8-20.4
Percentage of Revenues-5.6-7.9-6.0-6.3-5.4-5.9-4.7-4.7-4.8-4.8-5.0-4.9-4.9-4.8-4.9-4.1-4.8-4.9-4.9-4.6-4.3-4.2-4.3-3.5-4.2-4.0-4.1-11.6-6.0-4.3-2.9
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, kar:ADESAAuctions


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2314-116.381-2.53448687967587591826188989256828677525864524549513828384239
Percentage of OperatingIncomeLoss34.525.5-836.794.253.284.378.979.987.941.941.350.852.152.049.462.362.664.650.366.563.960.054.655.355.348.446.751.951.145.696.056.252.850.1
Percentage of Revenues3.92.4-22.013.7-0.65.37.29.811.16.46.38.19.68.66.910.511.510.76.910.611.210.47.88.89.88.37.58.48.86.65.37.17.97.0
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions4.52.70.00.0-0.76.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value43412538304555555357535251474441333434343638333430333331282828292729
Percentage of OperatingIncomeLoss65.574.5180.644.2-653.2111.389.664.358.735.537.535.029.129.836.329.121.323.930.528.227.130.034.932.526.230.734.732.428.333.294.644.133.537.6
Percentage of Revenues7.47.14.76.47.37.08.27.97.45.55.75.65.34.95.04.93.94.04.24.54.75.25.05.24.65.25.55.34.94.85.25.65.05.3
Percentage of Revenues us-gaap:OperatingSegments kar:AFC63.662.50.00.054.057.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.48.3271312-54.914-10.88.48.1
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.31.45.12.33.0-8.52.1-1.51.20.8

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-14.850-3.91.1-1.32.02.52.01.12.0-1.03.11.30.10.20.11.50.1-0.3-0.80.31.32.50.3-0.42.21.90.50.90.50.10.81.10.62.41.20.5-0.1-1.3-1.36.70.6-0.61.1-1.3
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-2.58.6-0.70.2-0.30.30.40.30.20.2-0.10.30.10.00.00.00.20.0-0.0-0.10.00.20.40.0-0.10.30.30.10.20.10.00.10.20.10.50.30.1-0.0-0.3-0.31.40.1-0.10.2-0.3

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.6-2.61.90.50.6-0.30.1-0.41.10.3-0.20.20.10.30.1-0.4-0.3-0.30.4-0.3-0.20.3-0.1-0.2-0.20.20.0-0.10.00.00.0
Percentage of OtherNonoperatingIncomeExpense-54.5200.095.020.030.0-27.35.040.035.523.1-200.0100.0100.020.0100.0133.337.5-100.030.8-12.0-66.7-75.0-4.5-10.5-40.022.20.0-100.00.00.00.0
Percentage of Revenues-0.1-0.60.30.10.1-0.00.0-0.00.10.0-0.00.00.00.00.0-0.0-0.0-0.00.1-0.0-0.00.0-0.0-0.0-0.00.00.0-0.00.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


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-2.95.9-5.21.71.30.01.91.31.31.9-0.51.90.20.30.2-0.20.7-0.4-0.1-0.50.50.60.21.2-0.30.61.00.50.50.40.70.60.90.5
Percentage of OtherNonoperatingIncomeExpense19.611.8133.3154.5-100.00.076.065.0118.295.050.061.315.4300.0100.0-200.046.7-400.033.362.5166.746.28.0400.075.027.352.6100.055.680.0700.075.081.883.3
Percentage of Revenues-0.51.0-1.00.30.30.00.30.20.20.2-0.10.20.00.00.0-0.00.1-0.0-0.0-0.10.10.10.00.2-0.00.10.20.10.10.10.10.10.20.1
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions-0.61.10.00.00.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


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-11.9440.00.00.00.10.10.10.10.10.20.10.00.0-0.10.10.00.00.00.00.00.00.00.00.01.50.00.00.00.0-0.70.00.00.0
Percentage of OtherNonoperatingIncomeExpense80.488.2-0.00.0-0.05.04.05.09.15.0-20.03.20.00.0-50.0100.00.00.0-0.0-0.00.00.00.00.0-0.068.20.00.00.00.0-700.00.00.00.0
Percentage of Revenues-2.07.60.00.00.00.00.00.00.00.00.00.00.00.0-0.00.00.00.00.00.00.00.00.00.00.00.20.00.00.00.0-0.10.00.00.0
Percentage of Revenues us-gaap:OperatingSegments kar:AFC-17.367.30.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value1010.09.89.72.10.0
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.00.0
Percentage of Revenues1.71.71.91.60.50.0

Realized Investment Gains Losses

us-gaap:RealizedInvestmentGainsLosses

us-gaap:RealizedInvestmentGainsLosses


Realized
Period End2021-06-302021-03-31
Value0.217
Percentage of RealizedInvestmentGainsLosses100.0100.0
Percentage of Revenues0.02.9

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5855815295934196456717017191046929933956950890843858866813773771745682666658632606589585583540533541557493474487506479447470484448445470
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value516515362567
Percentage of Revenues88.388.786.487.8
Percentage of Revenues88.388.786.487.8
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions100.0100.0100.0100.0

us-gaap:OperatingSegments, kar:AFC


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value68655678
Percentage of Revenues11.711.313.612.2
Percentage of Revenues11.711.313.612.2
Percentage of Revenues us-gaap:OperatingSegments kar:AFC100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementGeographical

country:US


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value420439397456342523541565580894804805524828772729747760
Percentage of Revenues71.875.675.176.881.681.180.680.680.885.486.686.354.887.286.786.687.187.8
Percentage of Revenues71.875.675.176.881.681.180.680.680.885.486.686.354.887.286.786.687.187.8
Percentage of Revenues country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1651421311377612213013613815212412798121118113110105
Percentage of Revenues28.224.424.923.218.418.919.419.419.214.613.413.710.312.813.313.412.912.2
Percentage of Revenues28.224.424.923.218.418.919.419.419.214.613.413.710.312.813.313.412.912.2
Percentage of Revenues us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value140149139131112162164158163207176186182187172155154157148146146141128128123121113116114126156120112100991021031141067998102999090
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.925.626.422.126.825.224.522.622.719.819.019.919.119.719.418.518.018.218.318.919.018.918.819.318.819.218.819.819.521.729.022.520.718.120.121.521.222.522.317.921.021.222.120.319.3

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Selling
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value27273334313442363738403634343627313231262424231822212161302214
Percentage of SellingGeneralAndAdministrativeExpense20.924.220.420.919.721.420.520.620.121.021.421.422.122.423.118.521.822.122.220.919.119.619.616.419.018.517.339.125.520.014.7
Percentage of Revenues4.66.55.15.14.54.94.13.94.04.04.24.14.14.04.23.44.14.24.23.93.73.73.83.13.83.63.811.35.84.12.7
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Selling
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
Value13114020897791221241211211261061111081089987858789808076697167686364626964626361
Percentage of SellingGeneralAndAdministrativeExpense93.794.1149.574.670.875.675.376.674.761.060.560.159.258.157.956.355.155.559.955.154.954.353.955.554.756.455.555.054.955.141.252.256.561.0
Percentage of Revenues22.424.139.416.519.019.018.517.317.012.111.512.011.311.411.210.49.910.111.010.410.410.310.210.710.310.810.410.910.712.011.911.811.711.0
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions25.427.20.00.021.921.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Selling
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
Value8.88.8185.95.66.56.15.96.47.27.18.17.58.08.57.27.37.96.87.17.37.56.87.06.97.16.76.86.58.88.06.46.15.7
Percentage of SellingGeneralAndAdministrativeExpense6.35.913.34.55.04.03.73.73.93.54.04.44.14.34.94.64.75.04.64.95.05.35.35.45.65.85.95.85.76.95.15.35.45.7
Percentage of Revenues1.51.53.51.01.31.00.90.80.90.70.80.90.80.81.00.90.90.90.80.90.91.01.01.01.01.11.11.21.11.51.51.21.11.0
Percentage of Revenues us-gaap:OperatingSegments kar:AFC12.813.40.00.09.98.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value711871606798690964945999658165796377832472067300719472666984690568566580655765866568649057915726575554765351537052785235512751225117523949224926486848544779461146494525
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value118391227435736016598155298246192988990858687867171727568686566658581817636
Percentage of Assets17.114.14.65.45.52.61.22.24.13.42.71.41.31.31.31.31.31.31.11.21.31.31.21.31.21.31.31.71.61.61.50.7
Percentage of Assets17.114.14.65.45.52.61.22.24.13.42.71.41.31.31.31.31.31.31.11.21.31.31.21.31.21.31.31.71.61.61.50.7
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value46274783451535593607327936583713371737973097317131713278313232143313299428982981304930852390245025342408227223882406241622962328233325672270
Percentage of Assets65.066.866.451.555.654.755.656.458.345.643.043.444.145.144.846.548.345.544.245.346.447.541.342.844.044.042.544.545.646.244.845.545.649.046.1
Percentage of Assets65.066.866.451.555.654.755.656.458.345.643.043.444.145.144.846.548.345.544.245.346.447.541.342.844.044.042.544.545.646.244.845.545.649.046.1
Percentage of Assets us-gaap:OperatingSegments kar:ADESAAuctions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, kar:AFC


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value24912376228221661973244525652505249524062446239523542329231522062140217122132205215520682037193118891760177717081608155315471531152613841386
Percentage of Assets35.033.233.631.430.440.839.038.139.128.933.932.832.732.133.231.931.233.033.833.532.831.935.233.732.832.233.231.830.529.730.229.929.826.428.2
Percentage of Assets35.033.233.631.430.440.839.038.139.128.933.932.832.732.133.231.931.233.033.833.532.831.935.233.732.832.233.231.830.529.730.229.929.826.428.2
Percentage of Assets us-gaap:OperatingSegments kar:AFC100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value711871606798690964945999658165796377832472067300719472666984690568566580655765866568649057915726575554765351537052785235512751225117523949224926486848544779461146494525
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value1501158716151607155415711650163517521502146415611512152014841402146114301397147714591423138613771572155015471534152214831481148314591444144314451408138313431312131512441141750
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.122.223.823.323.926.225.124.927.518.020.321.421.020.921.320.321.321.721.322.422.221.923.924.027.328.328.928.628.828.328.929.028.527.629.329.328.928.528.128.528.327.50.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value-3.8-3.8-3.8-3.81.11.1-3.0
Percentage of StockholdersEquity-0.2-0.2-0.2-0.20.10.1-0.2
Percentage of Assets-0.1-0.1-0.1-0.10.00.0-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AccountingStandardsUpdate201613, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-31
Value-3.8
Percentage of StockholdersEquity-0.2
Percentage of Assets-0.1
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AccountingStandardsUpdate201613 us-gaap:RetainedEarnings0.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value-3.8-3.8-3.8-3.81.11.1-3.0
Percentage of StockholdersEquity-0.2-0.2-0.2-0.20.10.1-0.2
Percentage of Assets-0.1-0.1-0.1-0.10.00.0-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-17.0-24.4-32.7-59.9-73.5-85.9-31.0-45.2-34.4-53.2-61.3-37.2-43.5-32.1-25.2-22.9-35.6-45.9-49.3-40.6-35.9-31.5-40.2-31.0-16.8-19.9-1.67.3181018252029353728332820472619-21.5
Percentage of StockholdersEquity-1.1-1.5-2.0-3.7-4.7-5.5-1.9-2.8-2.0-3.5-4.2-2.4-2.9-2.1-1.7-1.6-2.4-3.2-3.5-2.7-2.5-2.2-2.9-2.3-1.1-1.3-0.10.51.20.71.31.71.42.02.42.62.02.42.11.63.62.11.7-2.9
Percentage of Assets-0.2-0.3-0.5-0.9-1.1-1.4-0.5-0.7-0.5-0.6-0.9-0.5-0.6-0.4-0.4-0.3-0.5-0.7-0.8-0.6-0.5-0.5-0.7-0.5-0.3-0.4-0.00.10.30.20.40.50.40.60.70.80.60.70.60.41.00.60.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value874969104610371034103110281024114011311131122512131255125112921384137613711442143314151407140015961598159315841573155815341476145314371433143014201415140613981406138113551028
Percentage of StockholdersEquity58.361.164.864.666.565.662.462.665.175.377.378.580.282.684.392.294.796.298.197.698.399.4101.6101.7101.6103.1103.0103.2103.4105.0103.599.599.699.599.398.9100.9102.3104.7106.5106.9111.0118.7137.0
Percentage of Assets12.313.515.415.015.917.215.615.617.913.615.716.816.917.317.918.720.220.920.921.921.821.824.324.527.729.229.829.529.829.829.928.828.427.429.129.029.229.129.430.330.230.50.00.0
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

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value1.21.31.31.31.31.31.31.31.31.31.31.31.31.31.31.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.1
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
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:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value6426416006275926246516556444223923713412952571311119874745938176.2-9.0-30.2-46.4-58.5-70.8-86.5-72.3-19.9-16.4-23.6-26.7-23.6-42.8-66.7-92.7-107.2-139.4-164.9-234.5-257.7
Percentage of StockholdersEquity42.840.437.239.138.139.839.440.136.828.126.823.822.619.417.39.47.66.95.35.04.12.71.20.5-0.6-1.9-3.0-3.8-4.7-5.8-4.9-1.3-1.1-1.6-1.8-1.6-3.0-4.8-6.9-8.2-10.6-13.2-20.5-34.3
Percentage of Assets9.09.08.89.19.110.49.910.010.15.15.45.14.74.13.71.91.61.51.11.10.90.60.30.1-0.2-0.6-0.9-1.1-1.3-1.7-1.4-0.4-0.3-0.5-0.5-0.5-0.9-1.4-1.9-2.3-3.0-3.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value341435253175367432512712324432573048346033143471336134113137317431362887284129342911317924462384238122172074208219941954179117821756191415811587151414761373141014121254
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.049.246.753.250.145.249.349.547.841.646.047.646.746.944.946.045.743.943.344.644.349.042.241.641.440.538.838.837.837.334.934.834.336.532.132.231.130.428.730.630.427.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value621759752127696829350750823326533745536933031743253018820132331467615512520417815221428525119119616832210816311712597203200242119379289363158
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.710.611.118.514.94.97.77.73.73.24.76.25.14.64.56.37.72.93.14.94.810.42.72.23.63.32.94.05.44.83.73.83.36.12.23.32.42.62.04.44.30.02.60.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value67581181213311018407560531256289364477390351336450548206219171
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.511.311.919.315.76.88.58.14.03.55.16.55.44.84.86.58.03.13.43.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value549659367494582244457510592962765851840963725761711773682681721662511562533525401450402457354385396468342385358391297318339271
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.79.25.47.29.04.17.07.89.311.610.611.711.713.310.411.010.411.710.410.411.010.28.89.89.39.67.58.47.68.76.97.57.78.97.07.87.48.16.26.97.36.0

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1059510612612413112512014323318317618517617516515215915813813112913112011711099879194919188858662665658484652
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.31.61.81.92.21.91.82.32.82.52.42.62.42.52.42.22.42.42.12.02.02.32.12.02.01.91.61.71.81.81.81.71.61.81.31.41.21.21.01.01.2

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3623333638923846371633453276333533403405
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.350.754.055.156.757.861.265.167.971.3

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:US


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3198287735333452344731583088312730973158
Percentage of NoncurrentAssets88.386.290.889.792.894.494.393.792.792.7
Percentage of Assets47.143.749.049.452.654.557.761.062.966.1
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.0

us-gaap:NonUs


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value424458358394268187187
Percentage of NoncurrentAssets11.713.89.210.37.25.65.7
Percentage of Assets6.27.05.05.64.13.23.5
Percentage of Assets us-gaap:NonUs0.00.00.00.00.00.00.0

Assets Noncurrent

us-gaap:AssetsNoncurrent

us-gaap:AssetsNoncurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value370336343623323532423286272727182733403529152917292829452938286128792855287328242848253925782595262325302548257225682587263126402668263026402649266926942719252525542589
Percentage of AssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.050.853.346.849.954.841.441.342.948.540.540.040.740.542.141.442.043.443.842.943.439.144.545.345.646.247.647.948.749.451.351.552.150.253.653.854.855.556.954.854.957.2

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1186114318321663149813361235117611161049
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.517.425.423.822.823.123.122.922.722.0

us-gaap:PropertyPlantAndEquipmentGross us-gaap:BalanceSheetLocation

kar:Financelease


Property
Period End2020-12-312019-12-31
Value107102
Percentage of PropertyPlantAndEquipmentGross9.08.9
Percentage of Assets1.61.6
Percentage of Assets kar:Financelease0.00.0

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

kar:BuildingAndLeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value146133520436384348313273231193
Percentage of PropertyPlantAndEquipmentGross12.311.728.426.325.726.125.423.320.818.4
Percentage of Assets2.22.07.26.35.96.05.95.34.74.0
Percentage of Assets kar:BuildingAndLeaseholdImprovements0.00.00.00.00.00.00.00.00.00.0

kar:FurnitureFixturesAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value358344520456388325271254231199
Percentage of PropertyPlantAndEquipmentGross30.330.128.427.425.924.422.021.620.819.0
Percentage of Assets5.35.27.26.55.95.65.15.04.74.2
Percentage of Assets kar:FurnitureFixturesAndEquipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:Building


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value248247245249244217223228232224
Percentage of PropertyPlantAndEquipmentGross20.921.613.415.016.316.218.119.420.821.4
Percentage of Assets3.73.83.43.63.73.74.24.54.74.7
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value19125453274426191433
Percentage of PropertyPlantAndEquipmentGross1.61.13.03.21.83.32.11.61.33.2
Percentage of Assets0.30.20.80.80.40.80.50.40.30.7
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value205205295270266236240246257260
Percentage of PropertyPlantAndEquipmentGross17.318.016.116.317.817.719.520.923.124.8
Percentage of Assets3.03.14.13.94.14.14.54.85.25.5
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.0

us-gaap:LandImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value191183173173167149148145141130
Percentage of PropertyPlantAndEquipmentGross16.116.19.510.411.211.212.012.412.712.4
Percentage of Assets2.82.82.42.52.62.62.82.82.92.7
Percentage of Assets us-gaap:LandImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:Vehicles


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value161622221915119.26.36.8
Percentage of PropertyPlantAndEquipmentGross1.41.41.21.31.31.10.90.80.60.6
Percentage of Assets0.20.30.30.30.30.30.20.20.10.1
Percentage of Assets us-gaap:Vehicles0.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value620606596578562544534517502825856833805780755728704678655632613591569552537519507515502486472459443429415405390379362344334299
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.78.58.88.48.79.18.17.97.99.911.911.411.210.710.810.610.310.310.09.69.39.19.89.79.39.59.59.69.59.39.29.08.78.28.48.28.07.87.67.57.26.6

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:BalanceSheetLocation

kar:Financelease


Accumulated
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value88747066146
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment14.913.913.613.317.7
Percentage of Assets1.31.11.11.01.8
Percentage of Assets kar:Financelease0.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value579578589585583594609603595828976912904909908870841837842827808770766747750728727715716693703699692695700688684684686676681680
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.18.18.78.59.09.99.39.29.310.013.512.512.612.513.012.612.312.712.812.612.311.913.213.013.013.313.613.313.613.213.713.713.513.314.214.014.114.114.414.714.715.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:BalanceSheetLocation

kar:Financelease


Property
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value1827212458
Percentage of PropertyPlantAndEquipmentNet3.14.63.64.17.1
Percentage of Assets0.30.40.30.40.7
Percentage of Assets kar:Financelease0.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value221221352140179817901810182118101817237422132209220822122191209620952058205720082006179517951793179517151705170517051705170517021701167916791679167916791679155515561554
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.129.831.526.027.630.227.727.528.528.530.730.330.730.431.430.430.631.331.430.530.527.731.031.331.231.331.931.832.332.633.333.233.332.134.134.134.534.635.133.733.534.3

us-gaap:Goodwill us-gaap:BusinessAcquisition

kar:AuctionFrontier


Goodwillus-gaap:
Period End2021-06-30
Value73
Percentage of Goodwill3.3
Percentage of Assets1.0
Percentage of Assets kar:AuctionFrontier0.0

kar:BacklotCars


Goodwillus-gaap:
Period End2020-12-31
Value354
Percentage of Goodwill16.6
Percentage of Assets5.2
Percentage of Assets kar:BacklotCars0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

kar:ADESAAuctions


Goodwillus-gaap:
Period End2020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value18991534152715581413139012561039962962959959835
Percentage of Goodwill88.785.385.385.563.863.461.157.956.556.557.157.153.8
Percentage of Assets27.922.223.523.719.619.919.217.918.018.819.520.118.5
Percentage of Assets kar:ADESAAuctions0.00.00.00.00.00.00.00.00.041.942.342.041.0

kar:AFC


Goodwillus-gaap:
Period End2020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value240263263263263263263219219219196196196
Percentage of Goodwill11.314.714.714.511.912.012.812.212.812.811.711.712.7
Percentage of Assets3.53.84.14.03.73.84.03.84.14.34.04.14.4
Percentage of Assets kar:AFC0.00.00.00.00.00.00.00.00.014.214.215.416.8

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value199198211168179194207218231311302315332353375395417438461461487400417438461465484506529546569582600597618639658678694712
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.83.12.42.83.23.23.33.63.74.24.34.64.95.45.76.16.77.07.07.46.27.27.68.08.59.19.410.010.411.111.411.711.412.613.013.514.014.515.7

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value211207302375461417484569618694
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.24.25.47.07.29.111.112.614.5
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312014-12-312013-12-312012-12-312011-12-31
Value118128-292.4-318.6-283.2-286.4
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0
Percentage of Assets1.72.0-5.5-6.2-5.8-6.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


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
Value3393433503543533583643663709420.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.84.85.25.15.46.05.55.65.811.30.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation

kar:Operatinglease


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value350364366370942
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0
Percentage of Assets5.25.55.65.811.3
Percentage of Assets kar:Operatinglease0.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value889540444533352826414138383620424140353635333434353536377.69.2119.9158.4118.79.49.911111111
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.30.60.60.70.60.50.40.40.50.60.50.50.50.30.60.60.60.50.60.50.50.60.60.60.70.70.70.10.20.20.20.30.20.20.20.20.20.20.30.30.3

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-31
Value3951
Percentage of EquitySecuritiesFvNi100.0100.0
Percentage of Assets0.50.7

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value10741118688938983354704718847997820870874942682754735786648700749768608627629638471532519587435490516591388465452515367384420287
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.115.610.113.615.15.910.710.913.312.011.411.912.213.09.810.910.712.09.910.611.411.810.511.010.911.68.89.99.811.28.59.610.111.37.99.49.310.67.78.39.06.4

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2.82.73.25.66.10.91.11.21.12.12.93.42.71.35.85.44.62.05.03.92.30.65.3128.56.05.56.92.00.32.30.80.60.60.620135.40.58.4132.9
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.10.10.00.00.00.00.00.00.00.00.00.10.10.10.00.10.10.00.00.10.20.10.10.10.10.00.00.00.00.00.00.00.40.30.10.00.20.30.1

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value26832656225023542009201825172516266829452624262425642627238923472262233323352283227522292226214719751720159016311544155014341419144915991286126812401238119610791126966
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.737.133.134.130.933.638.338.241.835.436.436.035.636.234.234.033.035.535.634.734.634.438.437.534.331.429.730.429.329.628.027.728.330.526.125.725.525.525.023.424.221.4

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2230242626272827931261317171612161738105242424153144171717161717320.00.0189431717178517170.0
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.30.40.40.40.40.50.40.41.51.50.20.20.20.20.20.20.30.61.60.40.40.42.72.50.30.30.30.30.30.30.60.00.03.60.90.30.30.41.80.40.40.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value18618918519719418621621122630218618316416717115514714714914514712912812412011111410610299939899727575676971759088
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.62.72.93.03.13.33.23.53.62.62.52.32.32.52.22.22.22.32.22.22.02.22.22.12.02.12.01.91.91.81.91.91.41.51.51.41.41.51.61.92.0

us-gaap:OtherAccruedLiabilitiesCurrent us-gaap:BalanceSheetLocation

kar:Financelease


Other
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value9.013121221
Percentage of OtherAccruedLiabilitiesCurrent4.96.15.75.37.2
Percentage of Assets0.10.20.20.20.3
Percentage of Assets kar:Financelease0.00.00.00.00.0

kar:Operatinglease


Other
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value3734333294
Percentage of OtherAccruedLiabilitiesCurrent20.015.915.914.631.1
Percentage of Assets0.50.50.50.51.1
Percentage of Assets kar:Operatinglease0.00.00.00.00.0

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LiabilitiesNoncurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value236323562382240824022409241324271956387631173114311731183110315531322816282528242833283621792201220722062213220422122200221022182207219521912212222022322239221922072313
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.232.935.034.937.040.236.736.930.746.643.342.743.342.944.545.745.742.843.142.943.143.737.638.538.440.341.441.041.942.043.143.343.141.944.544.945.646.046.948.147.551.1

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-31
Value1902
Percentage of LongTermDebt100.0
Percentage of Assets28.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value185118521853185418561860186118631390265026542657266026642667267126752360236523712378238517191723172717321736174017451749173417701773177417741805180918131816182018241875
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.025.927.326.828.631.028.328.321.831.836.836.437.036.738.238.739.035.936.136.036.236.829.730.130.031.632.532.433.133.433.834.634.733.936.136.637.237.338.039.539.241.5

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value137136128125115116128188192291300292
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.91.91.81.81.92.02.62.84.45.25.5

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value423155798279597370112274267264259249188162167168163160153159156150141143137133116121105991009810199100988071111
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.40.81.21.31.30.91.11.11.33.83.73.73.63.62.72.42.52.62.52.42.42.82.72.62.62.72.62.52.22.42.11.91.92.02.12.02.12.11.71.52.5

us-gaap:OtherLiabilitiesNoncurrent us-gaap:BalanceSheetLocation

kar:Financelease


Other
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value7.514141325
Percentage of OtherLiabilitiesNoncurrent13.523.619.918.522.4
Percentage of Assets0.10.20.20.20.3
Percentage of Assets kar:Financelease0.00.00.00.00.0

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
Value3323363443483473533583613659190.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.74.75.15.05.35.95.45.55.711.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation

kar:Operatinglease


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value344358361365919
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0
Percentage of Assets5.15.45.55.711.0
Percentage of Assets kar:Operatinglease0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value55
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.8

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value53
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.8

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value51
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.8

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value49
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.7

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value244
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets3.6

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value38139239439810141026
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets5.66.06.06.212.20.0

us-gaap:OperatingLeaseLiability us-gaap:BalanceSheetLocation

kar:Operatinglease


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value3813923943981014
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets5.66.06.06.212.2
Percentage of Assets kar:Operatinglease0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value512
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets7.5

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 Assets1.9

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value1501158716151607155415711650163517521502146415611512152014841402146114301397147714591423138613771572155015471534152214831481148314591444144314451408138313431312131512441141750
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.122.223.823.323.926.225.124.927.518.020.321.421.020.921.320.321.321.721.322.422.221.923.924.027.328.328.928.628.828.328.929.028.527.629.329.328.928.528.128.528.327.50.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value-3.8-3.8-3.8-3.81.11.1-3.0
Percentage of StockholdersEquity-0.2-0.2-0.2-0.20.10.1-0.2
Percentage of Assets-0.1-0.1-0.1-0.10.00.0-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AccountingStandardsUpdate201613, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-31
Value-3.8
Percentage of StockholdersEquity-0.2
Percentage of Assets-0.1
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AccountingStandardsUpdate201613 us-gaap:RetainedEarnings0.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value-3.8-3.8-3.8-3.81.11.1-3.0
Percentage of StockholdersEquity-0.2-0.2-0.2-0.20.10.1-0.2
Percentage of Assets-0.1-0.1-0.1-0.10.00.0-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-17.0-24.4-32.7-59.9-73.5-85.9-31.0-45.2-34.4-53.2-61.3-37.2-43.5-32.1-25.2-22.9-35.6-45.9-49.3-40.6-35.9-31.5-40.2-31.0-16.8-19.9-1.67.3181018252029353728332820472619-21.5
Percentage of StockholdersEquity-1.1-1.5-2.0-3.7-4.7-5.5-1.9-2.8-2.0-3.5-4.2-2.4-2.9-2.1-1.7-1.6-2.4-3.2-3.5-2.7-2.5-2.2-2.9-2.3-1.1-1.3-0.10.51.20.71.31.71.42.02.42.62.02.42.11.63.62.11.7-2.9
Percentage of Assets-0.2-0.3-0.5-0.9-1.1-1.4-0.5-0.7-0.5-0.6-0.9-0.5-0.6-0.4-0.4-0.3-0.5-0.7-0.8-0.6-0.5-0.5-0.7-0.5-0.3-0.4-0.00.10.30.20.40.50.40.60.70.80.60.70.60.41.00.60.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value874969104610371034103110281024114011311131122512131255125112921384137613711442143314151407140015961598159315841573155815341476145314371433143014201415140613981406138113551028
Percentage of StockholdersEquity58.361.164.864.666.565.662.462.665.175.377.378.580.282.684.392.294.796.298.197.698.399.4101.6101.7101.6103.1103.0103.2103.4105.0103.599.599.699.599.398.9100.9102.3104.7106.5106.9111.0118.7137.0
Percentage of Assets12.313.515.415.015.917.215.615.617.913.615.716.816.917.317.918.720.220.920.921.921.821.824.324.527.729.229.829.529.829.829.928.828.427.429.129.029.229.129.430.330.230.50.00.0
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

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value1.21.31.31.31.31.31.31.31.31.31.31.31.31.31.31.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.41.1
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
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:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value6426416006275926246516556444223923713412952571311119874745938176.2-9.0-30.2-46.4-58.5-70.8-86.5-72.3-19.9-16.4-23.6-26.7-23.6-42.8-66.7-92.7-107.2-139.4-164.9-234.5-257.7
Percentage of StockholdersEquity42.840.437.239.138.139.839.440.136.828.126.823.822.619.417.39.47.66.95.35.04.12.71.20.5-0.6-1.9-3.0-3.8-4.7-5.8-4.9-1.3-1.1-1.6-1.8-1.6-3.0-4.8-6.9-8.2-10.6-13.2-20.5-34.3
Percentage of Assets9.09.08.89.19.110.49.910.010.15.15.45.14.74.13.71.91.61.51.11.10.90.60.30.1-0.2-0.6-0.9-1.1-1.3-1.7-1.4-0.4-0.3-0.5-0.5-0.5-0.9-1.4-1.9-2.3-3.0-3.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1200000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01300000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8749691046103710341031102810241140113111311225121312551251129213841376137114421433141514071400159615981593158415731558153414761453143714331430142014151406139814061381
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.313.515.415.015.917.215.615.617.913.615.716.816.917.317.918.720.220.920.921.921.821.824.324.527.729.229.829.529.829.829.928.828.427.429.129.029.229.129.430.330.230.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6426416006275926246516556444223923713412952571311119874745938176.2-9.0-30.2-46.4-58.5-70.8-86.5-72.3-19.9-16.4-23.6-26.7-23.6-42.8-66.7-92.7-107.2-139.4-164.9
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.09.08.89.19.110.49.910.010.15.15.45.14.74.13.71.91.61.51.11.10.90.60.30.1-0.2-0.6-0.9-1.1-1.3-1.7-1.4-0.4-0.3-0.5-0.5-0.5-0.9-1.4-1.9-2.3-3.0-3.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-17.0-24.4-32.7-59.9-73.5-85.9-31.0-45.2-34.4-53.2-61.3-37.2-43.5-32.1-25.2-22.9-35.6-45.9-49.3-40.6-35.9-31.5-40.2-31.0-16.8-19.9-1.67.31810182520293537283328204726
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.2-0.3-0.5-0.9-1.1-1.4-0.5-0.7-0.5-0.6-0.9-0.5-0.6-0.4-0.4-0.3-0.5-0.7-0.8-0.6-0.5-0.5-0.7-0.5-0.3-0.4-0.00.10.30.20.40.50.40.60.70.80.60.70.60.41.00.6

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4.55.42.93.52.65.05.04.34.77.45.36.65.16.47.45.85.25.83.94.44.65.22.73.23.22.61.55.75.71550125.0-0.62.37.65.08.3
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
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
Value4.55.42.93.52.65.05.04.34.77.45.36.65.16.47.45.85.25.83.94.44.65.22.73.23.22.61.55.75.71550125.0-0.62.37.65.08.3
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-09-302010-09-30
Value131164318-49.268931641992341521001142311426912694704890
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.428.375.9-7.69.59.017.721.324.516.011.313.527.016.48.616.312.39.410.720.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-09-302010-09-30
Value-246.5-79.2369116-112.9-156.0-147.1-68.6-74.0-91.5-178.8-109.9-69.9-21.2-134.4-99.8-430.8-100.3-46.7-37.6
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-42.1-13.688.118.1-15.7-14.9-15.8-7.3-7.7-9.6-20.1-13.0-8.1-2.4-16.5-12.9-55.8-13.5-10.4-8.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-09-302010-09-30
Value-24.6-88.7-82.7-197.2-1369.3-18.3-114.4-48.2-115.7-41.8-34.5-110.9174-136.4-52.2-15.2-25.45466.437
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-4.2-15.3-19.7-30.5-190.4-1.7-12.3-5.2-12.1-4.4-3.9-13.220.3-15.7-6.4-2.0-3.373.31.48.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-136.1-0.8-519.1312611-153.42927526-74.8-113.0873914-114.1-98.0342-13.3
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-23.2-0.1-98.052.7145.8-23.84.339.23.7-7.1-12.29.34.11.6-12.8-11.639.9-1.5

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.03.03.13.02.92.72.62.54.52.62.62.72.62.72.62.72.62.52.32.32.22.01.91.91.71.71.61.61.52.83.13.22.72.11.91.71.71.81.82.02.93.43.43.4
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1.65.2-4.210-8.4-4.7-5.8-1.10.23.42.4-2.4-2.32.4-101.41.19.9-3.17.6-4.6-3.7-3.519-5.3-5.9-3.24.2-7.2-1.3-20.2117.32.11.914-6.3-7.7-4.68.3-6.9-2.0-2.9-5.06.4
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value454750464647504647666765667069666464646059565654515051484848484949474646484848434344444241
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Depreciation
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.85.75.97.76.67.36.97.37.17.47.27.16.76.96.46.15.55.14.94.34.03.43.32.82.42.32.31.71.31.01.1
Percentage of DepreciationDepletionAndAmortization12.512.312.415.414.215.210.410.910.811.110.210.210.110.79.99.49.18.68.77.77.46.66.55.54.94.84.83.52.62.02.3

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value42446338383939373835333131313028262727252422222221202119191921222221
Percentage of DepreciationDepletionAndAmortization94.594.9125.182.282.282.079.280.279.353.049.348.646.844.444.143.141.742.042.341.842.039.940.041.241.139.741.340.341.040.543.545.646.545.2

us-gaap:OperatingSegments, kar:AFC


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.52.44.72.52.62.72.72.62.62.42.42.33.57.87.87.97.87.87.77.87.97.77.67.77.77.87.77.77.57.57.37.26.76.4
Percentage of DepreciationDepletionAndAmortization5.55.19.35.45.65.75.45.65.43.63.63.55.211.111.211.912.112.111.912.913.413.713.614.214.915.315.015.715.515.615.114.513.713.5

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-09-302010-09-30
Value131164318-49.268931641992341521001142311426912694704890
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.428.375.9-7.69.59.017.721.324.516.011.313.527.016.48.616.312.39.410.720.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-09-302010-06-30
Value1150-17.147-32.32.81935557767779390172625769455461604852595450475020-17.6223329221923261432-14.32528
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.08.8-3.27.9-7.70.42.95.07.77.47.28.39.79.519.47.46.78.05.67.08.08.17.17.89.08.68.38.18.73.5-3.34.36.25.24.64.04.95.13.07.2-3.05.76.1

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-5.2-5.8-45.5-18.642385160541084753512743463925293222232224152.7141715
Percentage of NetIncomeLoss-45.2-11.4140.9-664.354.556.665.864.460.263.074.893.974.161.380.074.864.752.056.653.841.347.546.948.076.3-15.363.651.854.0
Percentage of Revenues-0.9-1.0-10.9-2.94.14.15.56.35.712.25.66.35.93.45.66.05.33.74.44.93.63.93.84.22.70.52.73.22.8
Percentage of Revenues us-gaap:OperatingSegments kar:ADESAAuctions-1.0-1.1-12.6-3.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, kar:AFC


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1656132130292927254220202019212324212218211920181721181618
Percentage of NetIncomeLoss145.2111.4-40.9764.339.243.837.529.728.624.532.535.530.243.539.737.239.544.342.331.438.539.642.137.086.5-123.382.550.664.3
Percentage of Revenues2.99.73.23.32.93.23.12.92.74.82.42.42.42.42.83.03.23.13.32.83.33.33.43.23.14.03.53.13.4
Percentage of Revenues us-gaap:OperatingSegments kar:AFC24.386.223.227.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-12-312011-09-30
Value1150-17.147-32.32.819355577677793901726257694554616048525954504750201432
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.08.8-3.27.9-7.70.42.95.07.77.47.28.39.79.519.47.46.78.05.67.08.08.17.17.89.08.68.38.18.73.53.07.2
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.55.42.93.52.65.05.04.32.97.45.36.65.16.47.45.85.25.83.94.44.65.22.73.23.22.61.55.75.71550125.0-0.62.37.65.08.36.3-8.5117.77.45.2
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-09-302010-09-30
Value-246.5-79.2369116-112.9-156.0-147.1-68.6-74.0-91.5-178.8-109.9-69.9-21.2-134.4-99.8-430.8-100.3-46.7-37.6
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-42.1-13.688.118.1-15.7-14.9-15.8-7.3-7.7-9.6-20.1-13.0-8.1-2.4-16.5-12.9-55.8-13.5-10.4-8.4

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3614272717293449245476404138423438373643393642283925302324222122302241232413212423163719
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-09-302010-09-30
Value-24.6-88.7-82.7-197.2-1369.3-18.3-114.4-48.2-115.7-41.8-34.5-110.9174-136.4-52.2-15.2-25.45466.437
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-4.2-15.3-19.7-30.5-190.4-1.7-12.3-5.2-12.1-4.4-3.9-13.220.3-15.7-6.4-2.0-3.373.31.48.4

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value2.32.42.42.42.32.42.44551280109.04.43.60.08.85.324166.18.28.08.86374.68.14.44.42.96.04.417713.53.12.14.64.24.34.24.34.34.2750.0
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value100800.01191000.050100800.00.00.00.020511100.00.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.0100.0100.00.0100.0100.0100.00.00.00.00.0100.0100.0100.00.00.00.00.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:ShareRepurchaseProgram

kar:October2019ShareRepurchaseProgram


Payments
Period End2021-06-30
Value100
Percentage of PaymentsForRepurchaseOfCommonStock99.9

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5500000.02700000.0500000.0700000.0700000.0700000.0700000.0800000.0800000.01000000.01000000.01100000.01400000.01600000.01900000.02000000.02200000.02400000.02700000.02900000.03100000.03700000.04000000.04300000.04700000.05100000.05900000.06500000.06900000.07500000.07500000.07800000.08500000.09200000.09600000.09700000.09900000.010000000.09600000.09000000.09000000.09200000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

kar:ServiceOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value487160.0707850.01003700.01379600.01687900.02163300.02744900.02796300.03420500.03257600.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber97.4101.1100.472.662.554.146.537.335.633.9

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

kar:ServiceOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value10.669.0824.3623.5422.5921.6620.5816.0313.3112.17
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

kar:PRSUsOperatingAdjustedEPS, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0400000.0000400000.0000300000.0000200000.0000200000.0000300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0

us-gaap:RestrictedStockUnitsRSU, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0500000.0000400000.0000300000.0000300000.000100000.0200000.0000300000.0100000.000200000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0125.00.00.00.0100.00.00.00.0100.00.00.00.0150.00.00.00.0100.00.00.00.0100.00.00.00.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value15714210797116104120112111111
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.46.1101114141821191725
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value42312928262118201213
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Sale Of Longterm Investments

us-gaap:ProceedsFromSaleOfLongtermInvestments

us-gaap:ProceedsFromSaleOfLongtermInvestments


Proceeds
Period End2021-06-302021-03-31
Value0.321
Percentage of ProceedsFromSaleOfLongtermInvestments100.0100.0

kar:AdesaAuctionServicesRevenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

kar:AdesaAuctionServicesRevenues

us-gaap:OperatingSegments, kar:ADESAAuctions


Adesa
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value526362567613632599508527538528473477489498488441434401352351345328310308301298274275285283
Percentage of AdesaAuctionServicesRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:AfcRevenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

kar:AfcRevenues

us-gaap:OperatingSegments, kar:AFC


Afc
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value665678888689858585858178707168717273686964666563606059595352
Percentage of AfcRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:AuctionFees

kar:AuctionFees


Auction
Period End2021-06-302021-03-312020-06-302020-03-31
Value236235177255
Percentage of AuctionFees100.0100.0100.0100.0

kar:AuctionFeesandServicesRevenue

kar:AuctionFeesandServicesRevenue


Auction
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value440312491504534553541
Percentage of AuctionFeesandServicesRevenue100.0100.0100.0100.0100.0100.0100.0

kar:CashReserveAsPercentageOfFinancingReceivableSecuritized dei:LegalEntity

kar:CashReserveAsPercentageOfFinancingReceivableSecuritized

kar:AutomotiveFinanceCanadaInc


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-31
Value0.9900.010000.010000.010000.010000.010000.010000.0100.010.01
Percentage of CashReserveAsPercentageOfFinancingReceivableSecuritized100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.0100.0

kar:CashReserveAsPercentageOfFinancingReceivableSecuritized dei:LegalEntity, us-gaap:Range

kar:AFCFundingCorporation, srt:Minimum


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value01.000.9900.01
Percentage of CashReserveAsPercentageOfFinancingReceivableSecuritized0.00.00.0100.00.0100.0

kar:AutomotiveFinanceCanadaInc, srt:Minimum


Cash
Period End2021-06-302021-03-31
Value01.0
Percentage of CashReserveAsPercentageOfFinancingReceivableSecuritized0.00.0

kar:CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo dei:LegalEntity

kar:CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo

kar:AutomotiveFinanceCanadaInc


Cash
Period End2020-09-30
Value2.97
Percentage of CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo100.0

kar:CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo dei:LegalEntity, us-gaap:Range

kar:AFCFundingCorporation, srt:Minimum


Cash
Period End2021-06-302021-03-312020-12-312020-09-30
Value03.002.97
Percentage of CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo0.00.00.0100.0

kar:AutomotiveFinanceCanadaInc, srt:Minimum


Cash
Period End2021-06-302021-03-31
Value03.0
Percentage of CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo0.00.0

kar:FinancerelatedRevenue

kar:FinancerelatedRevenue


Financerelated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value68656566567888888689
Percentage of FinancerelatedRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:IntercompanyIncomeExpense us-gaap:ConsolidationItems

kar:IntercompanyIncomeExpense

us-gaap:CorporateNonSegment


Intercompany
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-13.9-0.1-0.10.34.76.019171516212219111213121417151518201918171819181920
Percentage of IntercompanyIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:IntercompanyIncomeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Intercompany
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-0.1-0.1-14.3130.0-0.7-1.3-6.0-7.6-10.3-8.5-6.9-7.6-12.1-12.7-11.4-11.5-11.8-12.4-11.7-13.3-15.2-14.0-14.0-14.4-15.2-14.6-14.3-14.1-13.9-14.3-14.8-15.1-15.7
Percentage of IntercompanyIncomeExpense0.00.00.0-100.0-0.0700.0-433.3-127.7-126.7-53.9-50.0-44.8-46.3-57.6-57.5-59.1-103.6-94.4-93.9-94.4-93.0-89.4-89.2-89.2-76.6-74.1-76.4-79.0-81.5-76.4-74.5-78.7-76.6-75.8

us-gaap:OperatingSegments, kar:AFC


Intercompany
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
Value0.10.10.20.00.10.81.01.31.61.21.10.90.70.50.11.69.88.78.78.78.67.87.97.95.24.35.15.86.55.34.75.65.04.6
Percentage of IntercompanyIncomeExpense0.00.00.0-0.0-100.0-800.0333.327.726.76.36.55.84.32.40.58.388.369.665.970.260.145.950.350.327.721.026.732.037.629.124.529.825.422.2

kar:PaymentsForContingentConsiderationAndDeferredAcquisitionCosts

kar:PaymentsForContingentConsiderationAndDeferredAcquisitionCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.0218.90.00.0228.90.00.50.0100.04.43.00.00.04.03.00.00.01.62.00.00.00.01.20.00.00.00.20.00.11.10.41.40.50.53.21.50.10.32.0
Percentage of PaymentsForContingentConsiderationAndDeferredAcquisitionCosts0.0100.0100.00.00.0100.0100.00.0100.00.0100.00.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.00.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:PaymentsForContingentConsiderationAndDeferredAcquisitionCosts us-gaap:BusinessAcquisition

kar:CarsOnTheWeb


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.0210.00.022
Percentage of PaymentsForContingentConsiderationAndDeferredAcquisitionCosts0.0100.00.00.0100.0

kar:ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables

kar:ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.15.52.20.0221811107.9101110.08.19.67.76.81211179.76.96.96.43.34.54.64.63.93.34.84.42.72.32.32.70.82.23.83.21.60.33.25.52.0
Percentage of ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:PurchasedVehicleSales

kar:PurchasedVehicleSales


Purchased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value97928386497579797957
Percentage of PurchasedVehicleSales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied

kar:SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied


Securities
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1100000.0800000.00400000.0400000.0-300000.0300000.0800000.0800000.0-100000.0600000.0700000.0700000.00500000.0700000.0700000.00500000.0500000.0500000.00300000.0300000.0300000.00100000.0100000.0100000.0
Percentage of SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

kar:ServiceRevenue

kar:ServiceRevenue


Service
Period End2021-06-302021-03-312020-06-302020-03-31
Value182187134236
Percentage of ServiceRevenue100.0100.0100.0100.0

kar:StockRepurchasedandRetiredWeightedAveragePricePerShare us-gaap:ShareRepurchaseProgram

kar:StockRepurchasedandRetiredWeightedAveragePricePerShare

kar:October2019ShareRepurchaseProgram


Stock
Period End2021-06-302021-03-31
Value17.7715.47
Percentage of StockRepurchasedandRetiredWeightedAveragePricePerShare100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
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
Value0.02.20.10.20.33.40.30.10.2100.10.10.39.70.20.00.05.7
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
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
Value0.02.20.10.20.33.40.30.10.2100.10.10.39.70.20.00.05.7
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod

us-gaap:AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value3.31.32.70.022119.58.68.28.0107.16.87.46.14.711109.47.75.35.35.32.44.13.22.73.32.73.63.31.71.92.72.61.11.62.92.31.00.8
Percentage of AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod us-gaap:FinancialInstrument

kar:FloorplanReceivables


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value3.31.32.70.022119.58.68.28.0107.16.87.46.14.711109.47.75.35.35.32.44.13.22.73.32.73.63.31.7
Percentage of AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1


Business
Period End2021-06-302021-03-31
Value4.511
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0000.190.190.190.350.350.350.350.350.350.350.320.320.320.320.290.290.290.270.270.270.270.270.250.250.250.250.190.190.190.1900
Percentage of CommonStockDividendsPerShareDeclared0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.00.00.02424244646464747474743434343404039373738383835353434262626
Percentage of DividendsCommonStockCash0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.00.00.02424244646464747474743434343404039373738383835353434262626
Percentage of DividendsCommonStockCash0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockPaidinkind

us-gaap:DividendsPreferredStockPaidinkind


Dividends
Period End2021-06-302021-03-312020-12-312020-09-30
Value1010.09.811
Percentage of DividendsPreferredStockPaidinkind100.0100.0100.0100.0

us-gaap:DividendsPreferredStockPaidinkind us-gaap:StatementClassOfStock

us-gaap:SeriesAPreferredStock


Dividends
Period End2020-09-30
Value11
Percentage of DividendsPreferredStockPaidinkind100.0

us-gaap:DividendsPreferredStockPaidinkind us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-30
Value1010.09.811
Percentage of DividendsPreferredStockPaidinkind100.0100.0100.0100.0

us-gaap:DividendsShareBasedCompensation

us-gaap:DividendsShareBasedCompensation


Dividends
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0200000.0000000000000000000
Percentage of DividendsShareBasedCompensation0.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DividendsShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0-200000.0000-700000.000-100000.0-1700000.000-100000.0-1800000.000-100000.0-800000.0-1900000.000-100000.0
Percentage of DividendsShareBasedCompensation0.0-100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0400000.0200000.000700000.000100000.01700000.000100000.01800000.000100000.0800000.01900000.000100000.0
Percentage of DividendsShareBasedCompensation0.0200.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-09-302010-09-30
Value3.82.6123.46.4-23.75.8-3.85.05.8-15.54.9-5.6-4.2-2.58.56.21.8-4.6-2.80.05.5-4.40.4
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.93.13.50000000000000184.83.44.43.7
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4100000.02500000.02000000.03000000.03100000.01900000.02000000.01600000.01800000.02300000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.43.84.73.02513111010.010
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableChangeInMethodCreditLossExpenseReversal

us-gaap:FinancingReceivableChangeInMethodCreditLossExpenseReversal


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0005000000.000
Percentage of FinancingReceivableChangeInMethodCreditLossExpenseReversal0.00.00.0100.00.00.0

us-gaap:FinancingReceivableChangeInMethodCreditLossExpenseReversal us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201613


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0005000000.0
Percentage of FinancingReceivableChangeInMethodCreditLossExpenseReversal0.00.00.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2021-06-302021-03-312020-06-302020-03-31
Value400000.0-2200000.02700000.0-400000.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0

us-gaap:GoodwillAndIntangibleAssetImpairment

us-gaap:GoodwillAndIntangibleAssetImpairment


Goodwill
Period End2020-12-312020-09-302020-06-302019-06-30
Value0.00.0290.0
Percentage of GoodwillAndIntangibleAssetImpairment0.00.0100.00.0

us-gaap:GoodwillAndIntangibleAssetImpairment us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, kar:ADESAAuctions


Goodwill
Period End2020-12-312020-09-302020-06-30
Value0.00.029
Percentage of GoodwillAndIntangibleAssetImpairment0.00.0100.0

us-gaap:GoodwillOtherIncreaseDecrease

us-gaap:GoodwillOtherIncreaseDecrease


Goodwill
Period End2020-09-30
Value7300000.0
Percentage of GoodwillOtherIncreaseDecrease100.0

us-gaap:GoodwillOtherIncreaseDecrease us-gaap:StatementBusinessSegments

kar:ADESAAuctions


Goodwill
Period End2020-09-30
Value7300000.0
Percentage of GoodwillOtherIncreaseDecrease100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-53.1376-255.9-36.5598-333.5-31.2-76.4-8.8136-70.744-52.9225-70.733-19.283-42.2-32.31788-10.32911105-43.837-25.792-11.9-23.3-52.0123-60.519-1.381-31.9-38.6-81.1113-98.68.2
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets

us-gaap:IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-99.3297-167.3-88.1348-210.7-38.3-104.4-68.7214-77.96.6-112.1249-34.367-70.09416-28.854152-37.02411128-36.941-55.7103-33.0-13.3-85.8120-15.324-22.392-46.4-18.9-66.6130-75.85.6
Percentage of IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInBookOverdrafts

us-gaap:IncreaseDecreaseInBookOverdrafts


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value5.639-27.21540-35.1-13.9-34.95.738-23.20.6-9.423-23.415-14.731-11.9-7.3-4.841-7.4-12.4-10.240-12.3-7.9-25.155-34.9-4.0-14.457-34.93.0-46.254-25.98.9
Percentage of IncreaseDecreaseInBookOverdrafts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInFinanceReceivables

us-gaap:IncreaseDecreaseInFinanceReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value12673166195-386.3-146.3134988-18.64827332911074-15.0-21.41755376511858124-6.091122627.2396.2694.3691.171-14.8802143-24.65919
Percentage of IncreaseDecreaseInFinanceReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInSecuritiesLoanedTransactions

us-gaap:IncreaseDecreaseInSecuritiesLoanedTransactions


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value82-25.1154375-616.8-103.7286.057-88.5955.04.0-3.09829-21.0-41.01844268.18133244-9.19.36240-12.132-11.479-36.780-3.248-24.3676.344-28.0415.6
Percentage of IncreaseDecreaseInSecuritiesLoanedTransactions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value500000.0700000.0700000.001000000.001200000.0700000.0700000.0200000.01100000.01000000.01200000.0200000.01300000.01200000.01500000.0-300000.01700000.01700000.01800000.0-100000.02200000.02300000.02500000.0200000.01700000.01800000.01600000.003000000.03000000.03100000.0100000.02700000.02500000.02200000.001800000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:InterestPaid

us-gaap:InterestPaid


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value40153813402350216235603258295126323733333225212019181818182021212224282627272727661549
Percentage of InterestPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value105368-82.7-197.2-23.3247-1373.9-13.7-116.8-13.9-20.254640-101.8169-14.5-39.213-19.9-3.2-30.1-40.1-155.51498.8-7.2-5.5-49.61046.3-51.634
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-590.2-222.29999999999998369116-47.7-98.4-134.5-134.4-118.9-99.8-430.8-100.3-165.1-85.7-258.6-38.2-122.7-175.6-88.3-26.2-87.2-29.2-127.4-24.1-115.1-17.4-97.82.7-313.1-46.6-67.17.0
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-47.5163318-49.289129111501111248969159114114861039613992115951329052679574100487681
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value7.11.6251216-35.914-10.88.48.1-24.16.3-11.4-6.9-2.312103.4-8.7-4.7-4.48.7-9.1-14.23.1-18.3-8.9-10.87.9-8.5-6.94.6-8.3-6.0-2.58.7-4.75.87.7-26.82.08.1
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value300000.06700000.02100000.01000000.0-3600000.0-19000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

kar:January2020InterestRateSwap


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value100000.02200000.013400000.0300000.0-1100000.0-6200000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value7.48.3271312-54.914-10.88.48.1-24.16.3-11.4-6.9-2.312103.4-8.7-4.7-4.48.7-9.2-14.23.1-18.3-8.9-10.87.9-8.5-6.94.7-8.3-5.9-2.48.7-4.75.47.7-26.7109.7
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


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
Value7.48.3271312-54.914-10.88.48.1-24.16.3-11.4-6.9-2.312103.4-8.7-4.7-4.48.7-9.2-14.23.1-18.3-8.9-10.87.9-8.5-6.94.7-8.3-5.9-2.48.7-4.75.4
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-500000.0-1600000.0-3600000.0-1200000.0-3500000.0-1400000.0-4100000.0-2000000.0-1600000.0-4200000.0-900000.0-1900000.0-1800000.04400000.0-700000.0-2500000.0-2000000.0-2900000.0-3100000.0-2900000.0-1500000.0-2000000.0800000.0-1200000.0-800000.0-800000.0-1200000.0-400000.0-900000.0-1100000.05600000.0-7500000.0-1900000.0-1700000.0-5600000.0-4500000.0-1600000.0-1500000.0-3400000.0-2300000.0-1200000.0-2900000.0-1300000.0-2900000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNonoperatingIncome

us-gaap:OtherNonoperatingIncome


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value1800000.03100000.01400000.02400000.0
Percentage of OtherNonoperatingIncome100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value0.3140.413120.00.00.00.00.8210.1130.00.0190.00.1100.00.60.00.0110.00.09.5163.40.00.00.00.00.21.30.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.00.00.0100.00.0100.0100.00.0100.00.00.0100.00.00.0100.0100.0100.00.00.00.00.0100.0100.00.0

us-gaap:PaymentsOfDebtIssuanceCosts dei:LegalEntity

kar:AFCFundingCorporation


Payments
Period End2020-09-30
Value12
Percentage of PaymentsOfDebtIssuanceCosts86.0

kar:AutomotiveFinanceCanadaInc


Payments
Period End2020-09-30
Value1.0
Percentage of PaymentsOfDebtIssuanceCosts7.0

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsOfOrdinaryDividends


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.00.02424240.0934647474747434343434040393737383838353534342626260.0260.0
Percentage of PaymentsOfOrdinaryDividends0.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.02.20.10.20.33.40.30.10.2100.10.10.39.70.20.02.13.69.50.00.10.9
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireBusinessesGross

kar:AuctionFrontier, us-gaap:SubsequentEvent


Payments
Period End2021-05-04
Value80
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:PaymentsToAcquireLongtermInvestments

us-gaap:PaymentsToAcquireLongtermInvestments


Payments
Period End2021-06-302021-03-31
Value5.315
Percentage of PaymentsToAcquireLongtermInvestments100.0100.0

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromDivestitureOfBusinesses


Proceeds
Period End2021-06-302021-03-31
Value1.20.9
Percentage of ProceedsFromDivestitureOfBusinesses100.0100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.70.31.10.30.30.40.2-1.34.70.70.85.82.85.61.62.92.64.3-7.23.28.42.23.94.84.89.26.74.88.27.94.57.89.33.70.51.60.90.30.00.54.41.11.22.2
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-7.76.1-11.6-0.5-0.1-1.81.8-76.0-15.31080.00.00.00.00.00.0-13.3-67.2800.00.0-140.09.51300.00.00.00.00.00.00.00.00.00.0-68.9
Percentage of ProceedsFromRepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.00.00.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-302021-03-312020-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value01900000.0100000.0100000.0100000.0-500000.0900000.0100000.0400000.00200000.0100000.00000200000.001000000.00100000.000100000.00100000.005600000.00100000.0100000.0200000.00200000.0
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment0.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.00.0100.00.0100.00.0100.00.00.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses

us-gaap:ProvisionForLoanAndLeaseLosses


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.84.82.70.019169.88.98.48.2
Percentage of ProvisionForLoanAndLeaseLosses100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

kar:PRSUsOperatingAdjustedEPS, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value13.810-0.01022.250-0.140.1747.060.180.03054.110.210-0.0844.510.130.06
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0.0913.810-0.01022.25-0.42-0.260.5747.060.050.12054.110.01-0.01-0.4844.510.070.040
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.0100.00.0100.00.0185.7335.3100.027.8400.00.0100.04.80.0600.0100.053.866.70.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

kar:MarketOptions, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302021-03-31
Value2200000.01800000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross100.0100.0

kar:ServiceOptions, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302021-03-31
Value600000.0400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross27.322.2

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

kar:MarketOptions, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302021-03-31
Value1.522.38
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0

kar:ServiceOptions, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302021-03-31
Value1.432.53
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue94.1106.3

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

kar:MarketOptions, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302021-03-31
Value2.4513.81
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0

kar:ServiceOptions, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302021-03-31
Value2.4513.81
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

us-gaap:CommonStock


Shares
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
Value0-100000.000-100000.0-100000.0000-200000.000-100000.0-100000.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation0.0100.00.00.0100.0100.00.00.00.0100.00.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
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
Value0400000.0200000.00100000.0500000.00200000.0100000.0600000.0100000.0400000.0200000.0800000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation0.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.70.31.10.30.30.40.21.34.70.70.85.82.85.61.62.92.64.3-7.23.28.42.23.94.84.89.26.74.88.27.94.57.89.33.70.51.60.90.30.00.5
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.70.31.10.30.30.40.21.34.70.70.85.82.85.61.62.92.64.3-7.23.28.42.23.94.84.89.26.74.88.27.94.57.89.33.70.51.60.90.30.00.5
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:ShareRepurchaseProgram

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

kar:October2019ShareRepurchaseProgram


Stock
Period End2021-06-302021-03-31
Value5.6285.2198
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5.65.20.04.81.80.00.91.11.90.00.00.80.04.70.30.3
Percentage of StockRepurchasedAndRetiredDuringPeriodShares99.599.60.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue


Stock
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value100800.01191000.05050800.00.00.00.02051110
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.00.0100.0100.00.0100.0100.0100.00.00.00.00.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-12-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-31
Value100800.01191000.05049800.00.02051110
Percentage of StockRepurchasedAndRetiredDuringPeriodValue99.9100.00.0100.0100.00.0100.099.8100.00.00.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-30
Value0.1
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.1

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic


Undistributed
Period End2021-06-302021-03-312020-09-30
Value300000.08300000.07400000.0
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic100.0100.0100.0

us-gaap:UnrealizedGainLossOnInvestments

us-gaap:UnrealizedGainLossOnInvestments


Unrealized
Period End2021-06-302021-03-31
Value-11.943
Percentage of UnrealizedGainLossOnInvestments100.0100.0

kar:BookOverdrafts

kar:BookOverdrafts


Book
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8188153162154136126116112136
Percentage of BookOverdrafts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:DeferredProceedsFromDivestitureOfBusiness us-gaap:StatementBusinessSegments

kar:DeferredProceedsFromDivestitureOfBusiness

kar:PWI


Deferred
Period End2021-06-302021-03-312020-12-31
Value2200000.02200000.01100000.0
Percentage of DeferredProceedsFromDivestitureOfBusiness100.0100.0100.0

kar:DeferredTaxAssetRightofUseLeaseLiability

kar:DeferredTaxAssetRightofUseLeaseLiability


Deferred
Period End2020-12-312019-12-312018-12-31
Value94970.0
Percentage of DeferredTaxAssetRightofUseLeaseLiability100.0100.00.0

kar:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses

kar:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8600000.06000000.06100000.05800000.09100000.05500000.05200000.04800000.05100000.05900000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:DeferredTaxLiabilityRightofUseLeaseAsset

kar:DeferredTaxLiabilityRightofUseLeaseAsset


Deferred
Period End2020-12-312019-12-312018-12-31
Value86890.0
Percentage of DeferredTaxLiabilityRightofUseLeaseAsset100.0100.00.0

kar:FinancingReceivableCommittedLiquidity dei:LegalEntity

kar:FinancingReceivableCommittedLiquidity

kar:AFCFundingCorporation


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-12-202016-09-302016-06-302016-03-312016-03-012015-12-312015-09-302015-06-302015-03-312014-12-312014-12-172014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value160016001600160017001700170017001700170017001500150015001500150015001500150012501250125012501150115011501150950950800800800800800800800650650650650
Percentage of FinancingReceivableCommittedLiquidity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:AutomotiveFinanceCanadaInc


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value175175175175175175175175175175175125125125125125125125125125125125125125125100100100100100100100100100100100100
Percentage of FinancingReceivableCommittedLiquidity10.910.910.910.910.310.310.310.310.310.310.38.38.38.38.38.38.38.38.310.010.010.010.910.910.910.510.512.512.512.512.512.512.515.415.415.415.4

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears


Gross
Period End2020-12-31
Value500000.0
Percentage of GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears100.0

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears


Gross
Period End2020-12-31
Value300000.0
Percentage of GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears100.0

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths


Gross
Period End2020-12-31
Value600000.0
Percentage of GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths100.0

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears


Gross
Period End2020-12-31
Value400000.0
Percentage of GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears100.0

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears


Gross
Period End2020-12-31
Value500000.0
Percentage of GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears100.0

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter

kar:GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter


Gross
Period End2020-12-31
Value59
Percentage of GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter100.0

kar:OtherIntangibleAssetsAccumulatedAmortization

kar:OtherIntangibleAssetsAccumulatedAmortization


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value40538336234132130129227028342440338336534733832230330330128727327425824224723322125124223021920719218016816415515313998
Percentage of OtherIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:OtherIntangibleAssetsAccumulatedAmortization kar:FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:TradeNames


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1210108.66.95.33.82.81.81.1
Percentage of OtherIntangibleAssetsAccumulatedAmortization3.43.72.62.52.32.11.71.31.10.8

kar:OtherIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ComputerSoftwareIntangibleAsset


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value349281378315279238203193144120
Percentage of OtherIntangibleAssetsAccumulatedAmortization96.596.393.893.292.792.392.187.985.386.2

us-gaap:NoncompeteAgreements


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.30.21414151413232318
Percentage of OtherIntangibleAssetsAccumulatedAmortization0.10.13.64.35.05.66.210.813.713.0

kar:OtherIntangibleAssetsGross

kar:OtherIntangibleAssetsGross


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value652590762689621568527526474445
Percentage of OtherIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kar:OtherIntangibleAssetsGross kar:FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:TradeNames


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value150147203203201199198198197197
Percentage of OtherIntangibleAssetsGross23.125.026.729.532.335.037.637.741.644.3

kar:OtherIntangibleAssetsGross us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

kar:AuctionFrontier, us-gaap:ComputerSoftwareIntangibleAsset


Other
Period End2021-06-30
Value7.6
Percentage of OtherIntangibleAssetsGross0.0

kar:AuctionFrontier, us-gaap:CustomerRelationships


Other
Period End2021-06-30
Value10.0
Percentage of OtherIntangibleAssetsGross0.0

kar:AuctionFrontier, us-gaap:TradeNames


Other
Period End2021-06-30
Value0.3
Percentage of OtherIntangibleAssetsGross0.0

kar:BacklotCars, us-gaap:ComputerSoftwareIntangibleAsset


Other
Period End2020-12-31
Value8.3
Percentage of OtherIntangibleAssetsGross1.3

kar:BacklotCars, us-gaap:CustomerRelationships


Other
Period End2020-12-31
Value66
Percentage of OtherIntangibleAssetsGross10.2

kar:BacklotCars, us-gaap:TradeNames


Other
Period End2020-12-31
Value4.1
Percentage of OtherIntangibleAssetsGross0.6

kar:OtherIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ComputerSoftwareIntangibleAsset


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value501443543470404354313302251223
Percentage of OtherIntangibleAssetsGross76.875.071.368.365.162.359.557.453.050.3

us-gaap:NoncompeteAgreements


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.30.31515151515252524
Percentage of OtherIntangibleAssetsGross0.00.12.02.22.52.72.94.95.45.5

kar:PendingPaymentsToAcquireBusinesses us-gaap:BusinessAcquisition

kar:PendingPaymentsToAcquireBusinesses

kar:BacklotCars


Pending
Period End2020-09-30
Value425
Percentage of PendingPaymentsToAcquireBusinesses100.0

kar:PendingProceedsFromDivestitureOfBusinesses us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:SubsequentEventType

kar:PendingProceedsFromDivestitureOfBusinesses

kar:PWI, us-gaap:SubsequentEvent


Pending
Period End2020-10-13
Value24
Percentage of PendingProceedsFromDivestitureOfBusinesses100.0

kar:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount

kar:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount


Transfers
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
Value1342125812821124747136114741443143813781464137413681365137112741241125913001284124112141201
Percentage of TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value-4.5-11.6-13.2-38.3-50.9-66.9-31.0-45.2-34.4-53.3-61.4-37.3-43.6-32.2-25.3-23.0-35.7-46.0-49.4-40.7-36.0-31.6-40.3-31.2-17.0-20.1-1.87.11710.01825202935372827
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
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
Value1112121011109.59.98.6131213111211109.59.4139.68.37.66.66.76.56.76.35.55.45.34.84.34.24.55.35.76.66.56.46.06.46.36.9
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForNotesAndLoansReceivableCurrent

us-gaap:AllowanceForNotesAndLoansReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value242522222225151414141413131313121212129.89.59.39.08.88.58.38.08.08.08.08.08.08.08.08.08.09.09.19.09.75.9
Percentage of AllowanceForNotesAndLoansReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForNotesAndLoansReceivableCurrent dei:LegalEntity

kar:AFC


Allowance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value22151414141413131313121212129.89.59.39.08.88.58.38.08.08.08.08.08.08.08.08.08.09.09.0
Percentage of AllowanceForNotesAndLoansReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax


Aoci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-12500000.0-12800000.0-19500000.0-21600000.0-22600000.0-19000000.00
Percentage of AociLossCashFlowHedgeCumulativeGainLossAfterTax100.0100.0100.0100.0100.0100.00.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh


Business
Period End2021-03-312020-12-31
Value4797
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition

kar:AuctionFrontier


Business
Period End2021-06-30
Value15
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh0.0

kar:CarsOnTheWebTradeRev


Business
Period End2021-06-30
Value47
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh0.0

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Business
Period End2020-09-302019-12-312017-12-312016-12-312015-12-31
Value10577601.518
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh0.00.00.00.00.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

kar:AuctionFrontier, us-gaap:SubsequentEvent


Business
Period End2021-05-04
Value15
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh0.0

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiability


Business
Period End2021-06-302021-03-312020-12-31
Value363142
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition

kar:AuctionFrontier


Business
Period End2021-06-30
Value12
Percentage of BusinessCombinationContingentConsiderationLiability34.3

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Business
Period End2020-09-302019-12-312017-12-312016-12-312015-12-31
Value4329241.39.9
Percentage of BusinessCombinationContingentConsiderationLiability0.00.00.00.00.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

kar:AuctionFrontier


Business
Period End2021-06-30
Value17
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0

kar:BacklotCars


Business
Period End2020-12-31
Value78
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet


Business
Period End2020-12-31
Value421
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

kar:AuctionFrontier


Business
Period End2021-06-30
Value92
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet0.0

us-gaap:CostMethodInvestments

us-gaap:CostMethodInvestments


Cost
Period End2021-03-31
Value16
Percentage of CostMethodInvestments100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value18961906190219071910191219161917149927942685269426992702270227112717242925032430243824471875187017471752175617591765177017711775177819691824182818331910
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount kar:LongtermDebtCreditAgreement, us-gaap:LongtermDebtType

kar:EuropeanLineofCredit, us-gaap:ForeignLineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value132014161717191721150.0
Percentage of DebtInstrumentCarryingAmount0.71.10.80.90.90.91.00.91.40.50.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

kar:TermLoanB6


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value9339359389409429459479500.0
Percentage of DebtInstrumentCarryingAmount49.249.149.349.349.449.449.449.50.0

us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-05-312016-12-312012-09-302012-06-302011-12-31
Value9509509509509509509509509509509509509509509509509509500.0150150150
Percentage of DebtInstrumentCarryingAmount50.149.849.949.849.749.749.649.563.434.035.435.335.235.135.135.035.00.00.08.28.27.9

us-gaap:DebtInstrumentUnamortizedDiscount kar:LongtermDebtCreditAgreement, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscount

kar:CreditAgreement, kar:TermLoanB6


Debt
Period End2020-12-31
Value2400000.0
Percentage of DebtInstrumentUnamortizedDiscount100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value222324262625262714171819202122232431323410
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible us-gaap:Range

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

srt:Maximum


Decrease
Period End2020-12-312019-12-312018-12-31
Value1000000.01000000.02400000.0
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0100.0100.0

srt:Minimum


Decrease
Period End2020-12-312019-12-312018-12-31
Value500000.0500000.01800000.0
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible50.050.075.0

us-gaap:DeferredCostsCurrentAndNoncurrent

us-gaap:DeferredCostsCurrentAndNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-31
Value1.91.81.8
Percentage of DeferredCostsCurrentAndNoncurrent100.0100.0100.0

us-gaap:DeferredCostsCurrentAndNoncurrent us-gaap:BusinessAcquisition

us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitions


Deferred
Period End2020-09-302019-12-312017-12-31
Value3.7196.6
Percentage of DeferredCostsCurrentAndNoncurrent0.00.00.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value276271296289408405412431394397
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value199173137125143126138133124124
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value61484538252631373947
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value124.16.69.6119.9115.93.22.7
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value16141822302739373632
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value6.96.26250625449423432
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value107100167179274293311329337365
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2.54.71615137.87.1172.31.1
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value79761129412010494845531
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:OtherLiabilities, kar:January2020InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value16172528
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6557816655567283688610211591771049482721009380639078655877756653636154416354524357504657
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

kar:PRSUs, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1.98.3119.68.89.5
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU, kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value7.39.914129.56.4
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions384.2119.3134.2128.1108.067.4

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount


Equity
Period End2021-06-30
Value21
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueAmount100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value1627262547
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability us-gaap:BalanceSheetLocation

kar:Financelease


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value1627262547
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value17
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths


Finance
Period End2020-12-31
Value9400000.0
Percentage of FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value100000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value100000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value1400000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value6300000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value800000.0
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value69268166866565264263762461389387386184282580578375673170768766664361960158556555153451849647946144042340538636234532512511698
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value668637873805707619551479405325
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value108
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value18
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value23
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value44
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value73
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value87984511761180116810371035104810241019
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IndefiniteLivedTradeNames

us-gaap:IndefiniteLivedTradeNames


Indefinite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value131131187187187
Percentage of IndefiniteLivedTradeNames100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6.8186.5197.1197.9219.6237.9218.7207.3185.61.52.21.21.00.90.80.80.50.30.30.30.30.30.30.31.12.71.62.52.32.62.31.51.710
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths


Lessee
Period End2020-12-31
Value58
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:LongtermDebtType

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LetterOfCredit


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value292928252529272732323232323242353535292929282828282825262626262323232328
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity kar:LongtermDebtCreditAgreement, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

kar:EuropeanLineofCredit, us-gaap:ForeignLineOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value35353635333333323030
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:LongtermDebtType

kar:SwingLineLoan


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-03-112011-05-19
Value6060606060606060909090907575757575757575
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity168.5170.5163.9170.5178.0181.3178.6183.50.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LetterOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-03-112011-05-19
Value5050505050505050757575757575757575757575
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity140.4142.0136.6142.0148.4151.1148.8152.90.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1907190019141869195825372735252818671732177818431831
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value890
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value24
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value959
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value9500000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value9500000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value9500000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:NotesAndLoansReceivableNetCurrent

us-gaap:NotesAndLoansReceivableNetCurrent


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value208419581889172215261929210020952055197420001965194519191899179617241748178017751729169616321520146813471363127711621099109910661059995996930926858132124124126
Percentage of NotesAndLoansReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherIntangibleAssetsNet

us-gaap:OtherIntangibleAssetsNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value284283290284290295298295287366358353348344350325325317320317319309310306307299306305305304307304306306305298297300305274275269
Percentage of OtherIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherIntangibleAssetsNet kar:FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:TradeNames


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value138136193194194193194195195196
Percentage of OtherIntangibleAssetsNet47.845.953.955.660.762.463.563.864.064.1

us-gaap:OtherIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ComputerSoftwareIntangibleAsset


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value151161165155125115109109107103
Percentage of OtherIntangibleAssetsNet52.254.146.144.339.137.335.935.635.233.9

us-gaap:PledgedAssetsNotSeparatelyReportedFinanceReceivables

us-gaap:PledgedAssetsNotSeparatelyReportedFinanceReceivables


Pledged
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value205819301865168814751929206120642008191619731935190919071893178817151738177417621719165416261516146613431364127911611099110010651059995996929928877
Percentage of PledgedAssetsNotSeparatelyReportedFinanceReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5352605450114532323242722202019181818171515141615161417161614189.18.78.2117.79.37.18.26.76.88.6
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod

us-gaap:SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod


Securitized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value5.7222222192328151215151410.011128.09.315129.28.87.47.06.83.55.84.22.94.34.65.14.53.24.13.83.41.93.6
Percentage of SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod us-gaap:FinancialInstrument

kar:FloorplanReceivables


Securitized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value5.7222222192328151215151410.011128.09.315129.28.87.47.06.83.55.84.22.95.1
Percentage of SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding

us-gaap:SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding


Securitized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value21081984191117441548195421152110207019892014197919581933191218091736176017921785173817051641152914761355137112851170110711071074106710031004938935883
Percentage of SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding us-gaap:FinancialInstrument

kar:FloorplanReceivables


Securitized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value20991975189217281532193920992097205719762001196719461921190117971722174817811775173016981635152414701349136512781099
Percentage of SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding99.699.599.099.199.099.299.399.499.499.499.499.499.499.499.499.499.299.399.499.599.599.699.799.799.699.699.699.599.3

kar:OtherLoans


Securitized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value9.39.418151515151212121212111111111312119.88.56.85.55.06.16.16.06.87.8
Percentage of SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding0.40.51.00.91.00.80.70.60.60.60.60.60.60.60.60.60.80.70.60.50.50.40.30.30.40.40.40.50.7

us-gaap:SelfInsuranceReserve

us-gaap:SelfInsuranceReserve


Self
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3536444543363327242427
Percentage of SelfInsuranceReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

kar:PRSUs


Share
Period End2020-12-312019-12-312018-12-31
Value791160.0697920.0789710.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value578340.0550770.0533060.0531220.0417710.0240390.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber73.178.967.50.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType, us-gaap:DisposalGroupClassification

kar:PRSUs, us-gaap:DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoff


Share
Period End2020-12-312019-12-31
Value41144.072403.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber5.210.4

us-gaap:RestrictedStockUnitsRSU, us-gaap:DiscontinuedOperationsDisposedOfByMeansOtherThanSaleSpinoff


Share
Period End2020-12-312019-12-31
Value63790.0140160.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber8.120.1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType, us-gaap:StatementOperatingActivitiesSegment

kar:IAAPRSUsHeldByKAR, us-gaap:SegmentContinuingOperations


Share
Period End2020-12-312019-12-31
Value385620.0616750.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber48.788.4

kar:IAARSUsHeldByKAR, us-gaap:SegmentContinuingOperations


Share
Period End2020-12-312019-12-31
Value147700.0402540.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber18.757.7

kar:PRSUs, us-gaap:SegmentContinuingOperations


Share
Period End2020-12-312019-12-31
Value750010.0625520.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber94.889.6

us-gaap:RestrictedStockUnitsRSU, us-gaap:SegmentContinuingOperations


Share
Period End2020-12-312019-12-31
Value514550.0410610.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber65.058.8

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

kar:PRSUs


Share
Period End2020-12-312019-12-312018-12-31
Value20.9718.5244.62
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value21.7322.7147.8740.1835.6737.04
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue103.6122.6107.30.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:EmployeeStock


Share
Period End2020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value2.52.51.01.01.01.01.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:PlanName

kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2021-06-302020-12-312019-12-312018-12-312017-12-312014-06-102014-06-092013-12-312012-12-31
Value7.312121212126.56.56.5
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized0.0500.01250.01250.01250.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:EmployeeStock


Share
Period End2020-12-312019-12-312018-12-31
Value1473500.0225020.0370740.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName

kar:KARAuctionServicesIncOmnibusStockAndIncentivePlan2009


Share
Period End2020-12-312019-12-312018-12-31
Value4100000.04900000.05300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant278.22177.61429.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

kar:ServiceOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value487160.0707850.01003700.01095400.01149100.01219000.01050500.01184600.01673200.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

kar:ServiceOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value10.669.0824.3621.8719.4517.1713.9412.9811.28
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

kar:ServiceOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value3.99.023373333383723
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharePrice us-gaap:AwardType

us-gaap:SharePrice

kar:ServiceOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value18.6121.7947.7250.5142.6237.0334.6529.5520.24
Percentage of SharePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

kar:ServiceOptions


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value3.99.023312624211915
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityCarryingAmountAttributableToParent

us-gaap:TemporaryEquityCarryingAmountAttributableToParent


Temporary
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value5705595495405280.0
Percentage of TemporaryEquityCarryingAmountAttributableToParent100.0100.0100.0100.0100.00.0

us-gaap:TemporaryEquitySharesOutstanding us-gaap:StatementClassOfStock

us-gaap:TemporaryEquitySharesOutstanding

us-gaap:SeriesAPreferredStock


Temporary
Period End2021-06-302021-03-312020-12-31
Value591780.0581610.0571610.0
Percentage of TemporaryEquitySharesOutstanding100.0100.0100.0

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount


Transfers
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value132412391261110173513491461142814221360144513661358135413581259122412411280127512311202120111221094850865858800757772742752674713633634586610542536520
Percentage of TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense dei:LegalEntity

us-gaap:UnamortizedDebtIssuanceExpense

kar:AFC


Unamortized
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
Value18192123111113141617198.5101113141618199.1101112
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UndistributedEarningsOfForeignSubsidiaries


Undistributed
Period End2020-12-31
Value408
Percentage of UndistributedEarningsOfForeignSubsidiaries100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value500000.0500000.01200000.02400000.03200000.04600000.05600000.05800000.04600000.04200000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value4.24.47.57.87.88.29.611119.5
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


Cost Ratio
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Cost  Ratio us-gaap: Consolidation Items, us-gaap: Statement Business Segments
Operating Margin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating  Marginus-gaap: Consolidation Items, us-gaap: Statement Business Segments
SG&A Ratio
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
S G& A  Ratious-gaap: Consolidation Items, us-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
Allocated Share Based Compensation Expenseus-gaap: Award Type
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Cost Of Goods And Service Excluding Depreciation Depletion And Amortizationus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:CostsAndExpenses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Costs And Expensesus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:IncomeLossFromContinuingOperations
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Income Loss From Continuing Operationsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Income Loss From Continuing Operations 
Before Income Taxes Minority Interest And Income Loss From Equity Method Investmentsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Income Tax Expense Benefitus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:InterestExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Interest Expenseus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Net Income Lossus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating Income Lossus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Other Nonoperating Income Expenseus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Revenues
us-gaap:StatementGeographical
(None,)
Revenuesus-gaap: Statement Geographical
us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenuesus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Selling General And Administrative Expenseus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Assetsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:NoncurrentAssets
us-gaap:StatementGeographical
(None,)
Noncurrent Assetsus-gaap: Statement Geographical
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:OtherAccruedLiabilitiesCurrent
us-gaap:BalanceSheetLocation
(None,)
Other Accrued Liabilities Currentus-gaap: Balance Sheet Location
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Depreciation Depletion And Amortizationus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Net Income Lossus-gaap: Consolidation Items, us-gaap: Statement Business Segments