KNX


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

Table of contents


us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementClassOfStock

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:CostsAndExpenses

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

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

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

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

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:Land

us-gaap:MachineryAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FurnitureAndFixturesGross

us-gaap:LeaseholdImprovementsGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:Restatement, us-gaap:BusinessAcquisition

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:EquitySecuritiesFvNi

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:FinancialInstrument

us-gaap:UnsecuredLongTermDebt

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementClassOfStock
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:MinorityInterest

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:Dividends
us-gaap:StatementEquityComponents

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

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits
us-gaap:FinancialInstrument
knx:AccordionOptionAccountsReceivableSecuritization
us-gaap:FinancialInstrument, us-gaap:SubsequentEventType

knx:CargoInsurancepertruckortrailer

knx:Cargoinsuranceperoccurrence

knx:Excesscoveragelayer

knx:Excessofexcesscoveragelayer

knx:IncreaseDecreaseinAccruedLiabilitiesandOtherLiabilities
dei:LegalEntity
knx:InsuranceAggregateDeductibleAmount

knx:PercentagesOfForeignOperationsConsolidatedRevenue

knx:PromissoryNoteInterestRate
us-gaap:SubsequentEventType

knx:PurchasedTransportation

knx:RightOfUseAssetForfeitedObtainedInExchangeForOperatingLeaseLiability

us-gaap:AdjustmentForAmortization

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfLeasedAsset

us-gaap:AssetImpairmentCharges

us-gaap:BusinessCombinationConsiderationTransferred1
dei:LegalEntity, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType
us-gaap:Restatement
us-gaap:SubsequentEventType
us-gaap:SubsequentEventType
us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
us-gaap:BusinessAcquisition

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommunicationsInformationTechnologyAndOccupancy
us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtAndEquitySecuritiesGainLoss
us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtAndEquitySecuritiesRealizedGainLoss
us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss

us-gaap:DebtInstrumentCollateralFee
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateDuringPeriod
us-gaap:FinancialInstrument

us-gaap:Depreciation
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:DirectOperatingMaintenanceSuppliesCosts

us-gaap:DirectTaxesAndLicensesCosts
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueOptionChangesInFairValueGainLoss1

us-gaap:FuelCosts

us-gaap:GainLossOnSaleOfPropertyPlantEquipment
us-gaap:LongLivedAssetsHeldForSaleByAssetType

us-gaap:GoodwillAcquiredDuringPeriod
us-gaap:FairValueByMeasurementFrequency, us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByType
us-gaap:ImpairmentOfLongLivedAssetsHeldForUse
us-gaap:LongLivedAssetsHeldForSaleByAssetType
us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants

us-gaap:InvestmentIncomeInterest

us-gaap:LaborAndRelatedExpense

us-gaap:LeaseAndRentalExpense

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination
us-gaap:StatementEquityComponents

us-gaap:OperatingInsuranceAndClaimsCostsProduction

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherOperatingActivitiesCashFlowStatement
us-gaap:OtherSignificantNoncashTransactionsByUniqueDescription
us-gaap:OtherSignificantNoncashTransactionValueOfConsiderationGiven1
us-gaap:BusinessAcquisition
us-gaap:PaymentForContingentConsiderationLiabilityOperatingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireMachineryAndEquipment

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToAcquireRestrictedInvestments

us-gaap:ProceedsFromAccountsReceivableSecuritization

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForTradingSecurities

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit

us-gaap:ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromStockPlans
us-gaap:RelatedPartyTransaction
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RepaymentsOfAccountsReceivableSecuritization
us-gaap:SubsequentEventType
us-gaap:RepaymentsOfDebt

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations
us-gaap:RelatedPartyTransaction
us-gaap:RevenueFromRelatedParties
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
us-gaap:OtherSignificantNoncashTransactionsByUniqueDescription

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:BusinessAcquisition
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementClassOfStock
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares
us-gaap:ShareRepurchaseProgram
us-gaap:StatementClassOfStock
us-gaap:SubsequentEventType

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:ShareRepurchaseProgram
us-gaap:StatementClassOfStock
us-gaap:StatementEquityComponents
us-gaap:SubsequentEventType

us-gaap:TradingSecuritiesRealizedGain

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
us-gaap:FinancialInstrument
knx:AccountsReceivableSecuritizationOutstandingBorrowingAmount

knx:AccruedPayrollandPurchasedTransportation

knx:AccruedPurchasedTransportation
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
knx:AdditionalAmountsCommittedToInvest
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
knx:AmountsCommittedToInvest
us-gaap:BusinessAcquisition
knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedClaimsAccrualsCurrent
us-gaap:BusinessAcquisition
knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPayrollAndPayrollRelatedExpenses
us-gaap:BusinessAcquisition
knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeReceivablesAndOtherCurrentAssets
us-gaap:BusinessAcquisition
knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOperatingLeaseLiabilitiesCurrent

knx:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOperatingLeaseLiabilities

knx:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets
dei:LegalEntity, us-gaap:ShortdurationInsuranceContractsAccidentYear
knx:ExcessPersonalInjuryAndPropertyDamageLiabilityInsurance

knx:Longlivedassetsofforeignoperations
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
knx:OwnershippercentageTRPcostmethodinvestments
us-gaap:BusinessAcquisition
knx:Percentageofacquiredbusinessassets
us-gaap:FinancialInstrument
knx:ReceivablesSalesAgreementBorrowingCapacity
us-gaap:FinancialInstrument, us-gaap:SubsequentEventType
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
knx:RemainingInvestmentCommitment
dei:LegalEntity
knx:SelfRetentionForEmployeeMedicalHealth

knx:ShopandServiceEquipment
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
knx:TotalTRPinvestmentcommitment

knx:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCurrentPortion
us-gaap:FinancialInstrument

us-gaap:AccountsAndNotesReceivableNet

us-gaap:AccountsPayableRelatedPartiesCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsReceivableGross
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AccountsReceivableRelatedPartiesCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccrualForEnvironmentalLossContingenciesGross

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedInsuranceCurrent

us-gaap:AccruedInsuranceCurrentAndNoncurrent
us-gaap:ProductOrService

us-gaap:AccruedInsuranceNoncurrent

us-gaap:AccruedProfessionalFeesCurrentAndNoncurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:ValuationAllowancesAndReservesType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:LongLivedAssetsHeldForSaleByAssetType
us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:LongLivedAssetsHeldForSaleByAssetType

us-gaap:BuildingsAndImprovementsGross

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired
dei:LegalEntity, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

us-gaap:CommonStockValueOutstanding

us-gaap:ContractWithCustomerAssetNet
us-gaap:FinancialInstrument
us-gaap:DebtInstrumentFairValue
us-gaap:FinancialInstrument
us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet
us-gaap:FinancialInstrument

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestmentsFairValueDisclosure

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinancingReceivableAllowanceForCreditLosses

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:GoodwillGross

us-gaap:HeldToMaturitySecurities
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FinancialInstrument

us-gaap:IncomeTaxExaminationPenaltiesAndInterestAccrued

us-gaap:IncomeTaxesReceivable

us-gaap:IndefiniteLivedTradeNames

us-gaap:InvestmentOwnedAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:InvestmentOwnedUnderlyingFaceAmountAtMarketValue
us-gaap:SubsequentEventType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextRollingTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:FinancialInstrument
us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:Range
us-gaap:LoansReceivableBasisSpreadOnVariableRate

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
us-gaap:FinancialInstrument
us-gaap:LongTermDebtFairValue
us-gaap:SubsequentEventType

us-gaap:LongTermLineOfCredit
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LossContingencyAccrualAtCarryingValue

us-gaap:NotesAndLoansReceivableNetCurrent

us-gaap:NotesAndLoansReceivableNetNoncurrent

us-gaap:NotesReceivableGross
us-gaap:CounterpartyName
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherCommitmentDueAfterFifthYear
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherCommitmentDueInFourthAndFifthYear
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherCommitmentDueInNextTwelveMonths
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherCommitmentDueInSecondAndThirdYear

us-gaap:PostemploymentBenefitsLiabilityCurrentAndNoncurrent

us-gaap:PrepaidExpenseCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByType
us-gaap:PropertyPlantAndEquipmentFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency, us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByType
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueAfterFifthYear
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueInFourthAndFifthYear
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueInNextTwelveMonths
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueInSecondAndThirdYear
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:PlanName, us-gaap:StatementClassOfStock
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased

us-gaap:SharePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchaseProgramAuthorizedAmount1
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:SubsequentEventType
us-gaap:FinancialInstrument
us-gaap:TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount
us-gaap:FinancialInstrument

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnsecuredDebt
us-gaap:DebtInstrument
us-gaap:FinancialInstrument
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Operating Expenses
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Other Assets Current
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Retained Earnings Accumulated Deficit
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Gain Loss On Sale Of Property Plant Equipment
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Interest Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStockNANA166.553NANANA170.688NANANA172.844NANANA177.998NANANA80.229NANANA80.967NANANA81.842NANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued ▂▁█165.711165.488166.553NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA73.3NANANA
 us-gaap:CommonStockSharesAuthorized us-gaap:StatementClassOfStock us-gaap:CommonClassANANA500.0500.0NA500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500.0500000.0500.0500.0500.0500.0500.0NA500.0NANANA
us-gaap:PreferredStockSharesAuthorized ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄10.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.0NA10.010.010.010.010.010.010.010.010.010.010.010.010.010.010.01.01.01.01000.01.01.01.01.01.0NA1.0NANANA
us-gaap:CommonStockSharesOutstanding ▂▁█165.711165.488166.553NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█166.585168.374NA171.028170.624171.282NA171.29172.724173.608NA177.75179.398179.241NA103.752134.507134.089NA134.462135.651137.655NA144.132144.212143.955NA143.322143.393143.018NA142.315141.838141.259NA139.546139.64140.392NA0.1395030.140716138.9NA0.0601170.060117NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█165.577167.478NA170.205169.948170.617NA170.504172.078172.971NA176.849178.451178.16NA102.846133.544133.147NA132.93134.439136.519NA142.801142.54142.199NA141.557141.308140.981NA140.327139.989139.686NA139.535139.522139.509NA0.1394980.139479138.127NA0.0601170.060117NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁0.0310.006NA0.0080.3650.256NA0.4080.9160.997NA0.0480.0470.091NA0.6540.0860.153NA0.1540.6370.452NA0.350.1950.0NA0.1680.00.0NA0.00.1710.507NA5.7894.2570.281NA4.478NANANANANANA
us-gaap:EarningsPerShareBasic ▅▄▄▄▄▃▃▃▄▄▄▄▄▃█▃▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▂▂0.920.770.84999999999999990.720.470.380.40.440.460.510.870.60.510.392.520.040.20.040.380.180.320.230.520.250.360.270.410.350.280.090.320.210.310.170.329999999999999960.20.240.040.260.220.140.02-0.7-0.02-0.38NA
us-gaap:EarningsPerShareDiluted ▅▄▄▄▄▃▃▃▄▄▄▄▄▃█▃▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▂▂0.920.770.82999999999999980.710.470.380.390.440.460.510.860.60.510.392.50.040.20.040.380.180.320.230.510.250.350.260.410.350.280.090.320.210.30.170.329999999999999960.20.240.040.270.220.140.02-0.7-0.02-0.38NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 Operating Margin us-gaap:ConsolidationItems us-gaap:OperatingSegments▅▄▅▃▁▂▃▃▄▃█▅▅▄1267.9731188.91254.2921173.7581032.2931092.991179.6871181.9181221.1511178.5641459.9391283.5971272.9281208.655NA506.782275.19272.878NA282.233NANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,knx:Intermodal▅▄▅▃▁▃▅▄▅▅█▇▆▄115.378107.066115.05298.85982.8294.731111.967108.937118.195116.367138.138130.369120.047110.267NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,knx:Logistics▆▄▄▃▁▂▂▂▂▂█▂▂▁166.737118.887127.52199.01870.10479.19894.89486.21382.92988.952200.87989.55478.43467.177NA57.90454.86754.188NA53.643NANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,knx:Trucking▃▃▃▃▂▂▃▃▃▃█▁▁▁985.858962.9471011.719975.881879.369919.061972.826986.7681020.027973.2453444.566296.021294.699254.968NA222.307220.323218.69NA228.59NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▄▃▄▄▃▃▂▃▃▃▃▃▃▂█▁▂▁▂▂▂▂▃▂▂▂▃▂▂▂▃▂▂▂▃▂▂▂▂▂▂▂▂191.115162.259194.691165.461102.167102.11967.575102.953108.593116.299151.945144.28124.24293.744447.8615.81152.16115.58575.47139.85374.20552.483121.70774.92198.47675.0132.46797.41194.02246.17102.55584.4292.28161.987107.1170.35786.67757.90297.0289.69772.56746.72976.573NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CostsAndExpenses █▅▆▄▁▄▇▇█▆1124.5861060.7551083.271044.945958.5311022.6791097.2171097.5691133.491088.236NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments █▇█▇▆▅▅▅▆▆█▆▆▅▆▃▄▃▅▄▅▄▆▅▅▅▅▅▅▄▅▄▅▄▅▄▄▃▅▄▄▃▁▃▃204.918175.172192.853170.039107.08290.33792.8599.505105.515116.106202.518140.968118.84589.707138.3592.92741.9187.57869.86934.31665.36845.416114.86957.55582.83161.53191.20674.04865.36320.00978.47456.10969.82937.95474.72242.81255.4752.6459.61250.62633.0685.526-90.1511.951-18.119NA
us-gaap:IncomeTaxExpenseBenefit █████▇▇▇█████▇▁▇▇▇▇▇▇▇█▇█▇█▇▇▇███▇█▇▇▇▇▇▇▇▆▇▇51.78345.32950.47247.83526.81524.55425.27524.52426.07627.92350.57334.62427.21718.975-309.502-1.27215.6212.37119.42710.29222.47213.51142.36721.27431.87723.69132.71523.8925.1657.70433.17626.15626.88814.61327.87214.9621.776-3.54822.819.67613.4852.321-41.8372.974.96NA
us-gaap:IncomeTaxesPaidNet █▁▃▃▁▁▁▁▅▁▁▁▂▁▁▁▄▁▂▃▃▁▁▂▄▁▂▃▂▁▁▂▁▁▁▂▁▁▁▁▁▁▁▁131.0852.19944.77331.6010.3523.281.2724.91972.591-0.124-0.042.72114.579-1.1541.1081.08749.4860.13612.19236.57329.5410.9441.18726.52849.31.50723.27537.4618.5783.4630.02315.8081.8862.9082.95912.3124.6972.222.1323.2573.4380.8425.411.661NANA
us-gaap:InterestExpense ▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▂▂▂▂▃▃▃▃▄▃▄▄▄▄▄▅▅▅▅███3.3073.4863.9493.2324.0216.1077.1397.797.1567.3488.7467.5287.1326.7646.7381.8126.8627.5217.0537.3847.5678.5948.7239.1310.10910.38815.01420.37221.45323.22523.81524.59523.7625.57427.61328.14929.55332.77635.21236.62936.63137.50161.6764.09562.768NA
us-gaap:InterestPaidNet ▂▁▃▁▃▅▆▇▆▇█3.2142.5054.4752.4664.1626.2937.0917.5486.5987.6798.537NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▄▄▃▃▃▃▃▃▃▄▃▃▃█▂▂▂▂▂▂▂▃▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▁▁152.804129.79142.329122.05880.18965.42667.44474.61979.20587.938151.696105.88191.32370.364447.5643.88126.2975.20750.44224.02442.89631.90572.50236.28150.95437.8458.49150.15840.19812.30545.29829.95342.94123.34146.8527.85233.6996.18836.81230.9519.5833.205-48.314-1.019-23.079-53.001
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▆▁▁▃▁▆▂▆▄▄▄█▅▆▅▆▅▄▅▅0.3310.0530.0520.1460.0780.3570.1310.3620.2340.2450.2490.4630.3050.3680.2970.3180.2890.230.3110.316NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ██▄▆▆▂▃▄▄▅▄▄▄▄▄▄▃▃▄▄▃▃▃▁▁▂13.80312.913-1.8384.5784.915-11.782-6.743-3.448-3.078-0.193-4.259-3.312-5.397-4.037-5.412-2.884-10.243-8.007-5.602-5.537-8.837-7.067-6.838-17.366-15.645-13.469NANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses NANA0.00.010.0NA1097.2171097.5691133.491088.2361187.8631202.3311207.4411177.3881215.649515.797940.897948.246963.143973.373937.649915.34968.094990.052960.928940.1441007.033977.469981.876962.276972.834947.707805.823794.807815.509800.737785.907768.983763.703774.129777.903712.16703.854676.181674.996NA
us-gaap:OperatingIncomeLoss ▄▃▄▄▃▃▂▃▃▃▃▃▃▂█▁▂▁▂▂▂▂▃▂▂▂▃▂▂▂▃▂▂▂▃▂▂▂▂▂▂▂▂▂▂▁191.115162.259194.691165.461102.167102.11967.575102.953108.593116.299151.945144.28124.24293.744447.8615.81152.16115.58575.47139.85374.20552.483121.70774.92198.47675.0132.46797.41194.02246.17102.55584.4292.28161.987107.1170.35786.67757.90297.0289.69772.56746.72976.57382.161.18923.193
us-gaap:OtherNonoperatingIncomeExpense ▇▇▃▅▅▁▃▄▄▄▄▄▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▄▃▄▃▂▂▇▃▃█▃▃▃▃16.8416.1051.7787.4848.499-6.507-0.4383.3353.1016.1393.4783.3271.0052.1550.678-1.4421.1951.1830.8281.2231.0940.7761.3170.7520.9840.6051.6990.8426.282.0495.962.855-1.323-1.5316.8490.3850.0220.3380.3940.380.664-0.511NANANANA
us-gaap:ProfitLoss ▃▃▃▃▂▂▂▂▂▂▃▃▂▂█▁▁▁▁▁153.135129.843142.381122.20480.26765.78367.57574.98179.43988.183151.945106.34491.62870.732447.8614.19918.25915.10622.47224.083NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▇▇▇▇▅▆▆▆▇▆██▇▇█▁▅▅▅▅▅▅▆▅▅▅▆▅▅▅▅▅▄▄▄▄▄▃▄▄▄▃▃▃▃▂1315.7011223.0141277.9611210.4061060.6981124.7981196.811200.5221242.0831204.5351394.641346.6111331.6831271.1321359.42521.608993.058963.8311038.6141013.2261011.854967.8231089.8011064.9731059.4041015.1441139.51074.881075.8981008.4461075.3891032.127898.104856.794922.619871.094872.584826.885860.723863.826850.47758.889780.427758.281736.185654.83
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ████████▇▇▇▇▇▇▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁8682.4598519.4758468.0028501.3618279.0288288.3238281.7328322.2258213.5848081.1427911.8857932.0667753.7417656.0867683.4427547.8082590.6882637.2062745.6662754.2242772.8662867.5012922.4352974.1742909.0122876.9232937.5822832.2372815.1062820.0162809.0082864.4252642.7252639.9072632.1782615.722572.8722599.4922638.6652544.1672591.61NA2567.895NANANA
us-gaap:Liabilities ▇▇▇▇▆▇▇█▇▆▆▆▅▅▆█▁▂▃▃▃▄▄▅▅▅▆▅▆▆▆▇▅▅▅▅▆▆▆▆▇2584.4062570.1372595.9622620.1132513.4392597.9992613.4292716.9322681.5642536.5192449.1662535.882357.3572346.8942443.0722749.5521875.5481955.4122073.4112141.9852164.2792260.5642305.3082361.9042336.9182362.3182467.2882429.7532467.2982517.7632525.4212629.5912338.7242383.1972402.0672432.9132440.5792503.7262552.4762498.1782577.31NA2651.066NANANA
us-gaap:LiabilitiesAndStockholdersEquity ████████▇▇▇▇▇▇▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁8682.4598519.4758468.0028501.3618279.0288288.3238281.7328322.2258213.5848081.1427911.8857932.0667753.7417656.0867683.4427547.8082590.6882637.2062745.6662754.2242772.8662867.5012922.4352974.1742909.0122876.9232937.5822832.2372815.1062820.0162809.0082864.4252642.7252639.9072632.1782615.722572.8722599.4922638.6652544.1672591.61NA2567.895NANANA
us-gaap:StockholdersEquity █▇▇▇▆▆▆▅▅▅▅▄▄▄▃▁6085.2615936.8445869.8485879.025763.465688.0595666.2155603.1185530.0675542.7565460.9495393.6675394.1455306.9875237.7324795.77NANA786.473NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent █▆▆▇▅▅▅▆▅▄▆▇▆▅▆▆▁▂▂▂▃▃▃▃▃▃▄▃▃▃▃▃▂▂▂▂▁▂▂▁▁1074.877963.745923.363998.553829.5838.442890.028900.968868.312813.462907.232971.843941.332895.501923.207927.855598.326615.307655.551653.922693.504727.912705.607725.415714.702720.785800.408743.864752.423734.52734.032728.101613.147666.901674.537644.823605.223645.96666.135573.588594.622NA512.316NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆▇▅█▄▄▅▃▂▂▃▃▄▃▃▅▂▂▃▃▄▅▄▂▂▃▄▃▃▂▂▂▂▂▂▂▁▂▃▂▂▁▂▂▁179.032194.65156.699240.236117.76119.132159.72293.99655.06360.21582.48691.335115.49479.18476.649136.42242.88461.7789.39171.258118.132142.724107.5953.70653.65168.736105.13270.29673.52846.09859.17851.42943.5138.74653.59643.32135.51547.68482.08440.17744.65621.54947.49457.93627.305NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇▇▆█▅▅▆▄▄▄▄▄▅▄▅▆▃▂▁232.067243.883197.277278.507158.751160.104202.228135.812107.884111.923130.976141.386168.312136.421151.733200.70490.1846.1839.406NANANA9.694NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent █▇▆▆▅▅▅▅▆▆▇█▇▇▆▆▃▃▃▃▃▃▃▄▄▄▄▄▄▄▃▃▂▂▁▂▂▁▁▁▁648.435584.011578.479559.657522.075521.976518.547513.906549.668555.93616.83625.293598.85589.983574.265545.588401.261396.251408.593403.895417.422408.769422.421448.323451.799452.757478.999454.188460.358454.709418.436413.077360.73358.306338.724360.324348.889339.191324.035334.504332.312NA276.879NANANA
us-gaap:OtherAssetsCurrent █▁▁▂▂▂▂▆▃▂▃▃▃60.58121.01520.98824.54427.07325.68127.84851.88434.35626.5529.70629.61130.028NA37.612NANANANANANANANANANANANANA140.056160.869179.771189.044139.258195.054208.264168.13149.039186.993188.29213.73812.303NA8.122NANANA
us-gaap:Land NANA236.517NANANA228.546NANANA227.581NANANA216.676NA132.335132.335132.084131.693131.693131.693131.693127.865127.865122.835122.835117.183116.973116.973117.929124.971115.672112.587112.587125.788125.788125.788133.711133.711136.043NA141.474NANANA
us-gaap:MachineryAndEquipmentGross NANA3417.194NANANA3007.774NANANA2617.989NANANA2197.158NA2214.2242229.5312266.1372233.5072190.0882229.1632278.618NANANA2061.835NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross ██▇▇▇▆▆▆▅▅▅▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁4401.2934286.8334223.3484112.7033947.5973838.9473742.7393671.0733546.933377.1123305.9443200.8262995.7952877.9192847.1432696.2682745.2282755.0042793.4912754.4872705.122735.6882779.5992771.5712664.5742586.2562520.4352430.5832400.8322420.2922370.4722447.7332265.3712189.2312131.6172115.8482104.0072074.8592078.7662039.8122048.398NA2000.135NANANA
us-gaap:FurnitureAndFixturesGross NANA69.25NANANA61.567NANANA51.619NANA50.65943.13140.093110.043109.189113.88110.996106.675103.42499.51993.81378.80968.92767.7462.73966.18662.99361.39659.03647.69746.76643.57843.34543.41541.86341.18338.16536.317NA33.66NANANA
us-gaap:LeaseholdImprovementsGross NANA12.89NANANA12.33NANANA10.549NANA9.9919.9059.529NANA4.735NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▇▆▆▅▄▄▄▄▃▃▂▂▁▁▇▇▇▇▆▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃1389.4771311.1891230.6961142.1381053.027965.777892.019824.144801.287753.389693.107643.03592.304532.056462.922399.6811286.6561271.9731244.891200.6131176.5621152.8431128.4991092.9871049.9741017.06978.305946.64950.48951.521922.665942.646864.903851.026819.803804.786802.347787.164778.769747.825730.563NA660.497NANANA
us-gaap:AmortizationOfIntangibleAssets ██████▇▇▇▇▇▇▇▇▇▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▃▃▃11.98411.74911.47411.47311.47411.47410.73210.75910.69210.69310.69310.69510.68710.50910.4682.6544.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2044.2034.2154.3034.4054.5094.6174.7274.844.9555.199NA
us-gaap:PropertyPlantAndEquipmentNet █████▇▇▇▇▆▆▆▆▅▅▅▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁3011.8162975.6442992.6522970.5652894.572873.172850.722846.9292745.6432623.7232612.8372557.7962403.4912345.8632384.2212296.5871458.5721483.0311548.6011553.8741528.5581582.8451651.11678.5841614.61569.1961542.131483.9431450.3521468.7711447.8071505.0871400.4681338.2051311.8141311.0621301.661287.6951299.9971291.9871317.835NA1339.638NANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ███▃▃▂▂▂▂▂▁81.23780.89177.56237.54736.01830.33830.87832.3531.0430.13920.646NANA18.47520.39420.707NANA27.713NANANANANANANANANA0.00.00.00.00.0NA0.0NANANANANANANANANANANA
us-gaap:Goodwill ████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁2971.0232958.7092922.9642922.9672922.972923.3822918.9922918.9952919.2192919.2222919.1762919.5282917.5842910.1012887.8672989.27253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256253.256NA253.256NANANA
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill NANA640.5NANANA639.9NANANA639.9NANA640.5635.2468.7181.037181.037181.037181.037181.037181.037181.037NANANA181.037NANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ███████████████▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂1403.4831393.3461389.2451400.7191412.1921423.6661379.4591391.1571399.5341410.2271420.9191431.6121442.7071453.3951440.9031285.571257.898262.101266.305270.508274.712278.915283.119287.322291.526295.729299.933304.136308.34312.543316.747320.95325.154329.357333.561337.765341.968346.183350.486354.891359.4NA368.744NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▇▇▇▇██▇▇▇███████▁▁▁▁▁▁▁760.325752.846748.745760.219771.692783.166739.559751.257759.634770.327781.019791.712802.207812.895805.703816.87176.86181.06485.26889.47193.67597.878102.082NANANA118.896NANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▄▄▄▄▅▅▆▆▇█▁91.25895.658113.296119.35136.953159.283169.425192.504221.026252.90.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ███▄▄▃▃▃▂▂▁▁▁130.002132.373126.48289.20782.84370.3873.10871.67259.8561.60851.72151.28748.627NA36.184NA22.63623.51121.95322.66422.83624.57329.35329.59734.92837.95741.85547.03850.73550.92657.16657.03150.752.18859.0168.81470.76566.39868.79170.44566.497NA59.049NANANA
us-gaap:EquitySecuritiesFvNi ▅▆▅▆▄▂▂▁██▅19.70722.55518.67521.85917.4369.8438.7224.78331.0430.13920.646NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▅▄▂▅▄▆▂▅▆▆▃▆▅▃▃█▄▃▃▄▃▃▃▄▄▆▆▆▅▇▃▅▃▄▂▃▂▂▁▂▂151.704126.918101.001140.228128.731168.01899.194145.155165.085158.646117.883164.938141.465112.308119.867198.168133.731114.147115.063138.087121.116118.605121.827136.551123.438162.226160.186165.734141.889174.397118.014152.475122.582123.738103.07112.50498.796106.30681.68890.52597.855NA90.22NANANA
us-gaap:AccruedLiabilitiesCurrent ▁▄▁▂▁▁▆▅▅▅▅▅▅▇▆█▄▅▄▄▃▂▂▂▂▂▂▃▃▃▂▃▂▂▁▂▂▂▂▂▂87.637143.16888.894112.18995.86387.48175.222162.913154.197167.813151.5153.437155.249187.859186.076213.313142.405163.033132.712132.918116.708111.45897.313105.37114.171110.947100.329120.018127.177119.053110.745123.98599.972105.02296.439110.585100.083103.063101.327112.635104.044NA80.455NANANA
us-gaap:LiabilitiesCurrent ▄▆▅█▆▆▆▄▄▄▃▄▃▃▃▄▂▂▂▂▂▁▂▄▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁705.548948.439839.7081262.199971.483979.281993.038696.758743.587761.967614.563680.357641.221618.356609.55700.506412.024429.377409.573422.27400.356374.75398.945663.994397.646429.307422.222452.514436.298459.939384.368432.863370.29370.67323.293337.206319.129382.944316.815330.863335.534NA326.184NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▃▃▄▅▅▆▆▇▇█▁32.78537.57747.49657.08865.74175.22480.10188.37198.904109.1580.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANA68.688NANANA53.91NANANA60.711NANANA64.623NANANA24.946NANANA20.19NANANA19.933NANANA15.279NANANA13.889NANANA9.737NANANA10.139NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt NANA508.907NA364.942364.883364.825364.766364.707364.649365.011364.531364.473364.852364.801399.749452.687476.878501.805594.062598.045647.163680.872682.245889.739899.623903.06878.959915.4841114.6531150.3051155.6041154.9081164.9761236.3421289.0741320.7841384.4771440.746NANANA1579.472NANANA
 us-gaap:LongTermDebt us-gaap:FinancialInstrument knx:A2017TermLoan▁▁▁█299.219299.063298.907365.0NANA364.825NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:UnsecuredLongTermDebt █▄▁299.219299.063298.907NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▅▅▅▅▅▄▄▄▃▃▃▃▁▁▁█806.398797.019815.941802.292792.839785.588771.719774.683749.077730.516739.538726.409684.595671.111679.077909.941NANA178.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ██▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁12.79212.4942.1922.2282.1292.2652.0882.1751.9531.8671.772.5192.2392.2052.6382.4860.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.2020.2020.2020.2020.2020.2020.2020.2020.202NA0.102NANANA
us-gaap:OtherLiabilitiesNoncurrent ▆▆▇█▅▃▁▁▁▂▃▃▃45.11545.9648.49755.38738.51525.05514.45515.64116.87317.47623.29424.225.665NA26.398NA4.7925.8046.2966.6991.4641.2390.9590.530.1810.0320.0140.0212.3582.6653.4573.133NANA2.899NANANA4.1314.1314.133NA6.207NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▄▄▄▄▅▅▅▆▇█▁60.95862.54969.85267.06776.26689.68396.16111.568129.68151.6340.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA31.632NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA18.589NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA7.024NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA3.491NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA22.81NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity █▇▇▇▆▆▆▅▅▅▅▄▄▄▃▁6085.2615936.8445869.8485879.025763.465688.0595666.2155603.1185530.0675542.7565460.9495393.6675394.1455306.9875237.7324795.77NANA786.473NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ███████▇▇▇▇▇▇▇▇▇▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁6098.0535949.3385872.045881.2485765.5895690.3245668.3035605.2935532.025544.6235462.7195396.1865396.3845309.1925240.374798.256715.14681.794672.255612.239608.587606.937617.127612.27572.094514.605470.294402.484347.808302.253283.587234.834304.001256.71230.111182.807132.29395.76686.18945.98914.3NA-83.171NANANA
us-gaap:AdditionalPaidInCapital ████████████████▁▁▁▁▁4325.9154309.7924301.4244294.5044287.2934275.8344269.0434263.0394254.2974248.1884242.3694236.9234232.6724225.6614219.2144212.609695.276688.234701.065690.317699.576NA754.589NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇█▇▇▇▇▇▇▇▆▆▆▆▅▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁1757.6891625.3971566.7591582.8141474.4661410.5271395.4651338.3741274.0671292.8381216.8521154.9881159.6871079.5431016.738581.38218.423-7.874-30.242-79.503-92.425-119.654-139.033-184.942-221.223-272.177-310.017-368.508-418.666-458.864-471.169-516.467-593.886-636.827-660.168-707.018-756.234-789.933-796.121-832.933-863.883NA-886.671NANANA
us-gaap:MinorityInterest ██▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁12.79212.4942.1922.2282.1292.2652.0882.1751.9531.8671.772.5192.2392.2052.6382.4860.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.2020.2020.2020.2020.2020.2020.2020.2020.202NA0.102NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues 0.575NANA0.00.515NANA0.00.531NANA0.00.774NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁13.5325.662NA5.4724.8273.536NA3.4863.6892.88NA2.8172.4141.989NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁▁▁▁▂▂▂▂▂▂█▂▃▇▂0.0330.0320.0880.0470.2140.180.2180.140.1480.1480.9980.1830.2710.8010.145NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅█▇▇▆▅▆▇▄▇█▆▅▆▆▁▃▄▅▄▄▅▆▄▄▅▄▄▄▄▄▅▄▄▅▄▄▃▄▄▃▃▁▄153.391306.113264.626271.659228.017155.343227.182249.6119.36243.452301.332204.733167.048208.864186.246-50.63964.064118.898137.47984.817112.285131.731212.276109.019120.046128.157102.968109.33107.32676.157117.641135.52123.45496.889147.3193.39695.67870.172106.67695.00862.33859.875-55.64680.833NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▆▄▆▄▄▅▁▃▇▃▁▄▅▁█▇█▆▆██▇▆▆▆▆▇▇▇▇▃▆▇▆▇▆▇▇█▆▇▆▇-122.775-74.141-145.11-82.536-127.484-125.582-115.286-244.538-179.161-44.721-179.797-234.931-121.913-110.651-251.3462.978-20.419-5.154-71.89-56.5728.405-2.55-37.589-68.032-79.572-56.614-66.311-27.587-20.649-25.203-36.086-188.654-61.046-25.934-65.66-41.736-53.834-11.269-47.167-1.571-69.949-31.549-58.089-45.084NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▂▁▃▃▃▄▅▅▁▂▅▄▃▅█▃▂▄▃▂▃▃▄▄▃▄▃▄▃▃▅▄▃▃▄▄▃▄▃▅▄▆▄-42.432-185.366-200.746-69.367-101.886-71.885-45.4822.86655.762-217.784-131.9453.272-13.244-113.5255.327222.569-62.531-141.365-47.456-75.119-145.282-94.047-120.803-40.932-55.559-107.939-1.821-84.975-59.247-64.034-73.80661.053-57.644-85.805-71.375-43.854-54.013-93.303-17.602-97.91630.718-54.271103.293-5.118NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▅▁█▄▂▆▅▄▃▃▃▅▃▂█▅▅-11.81646.606-81.23119.756-1.353-42.12466.41627.928-4.039-19.053-10.41-26.92631.891-15.312-48.971110.52443.99736.777NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DepreciationDepletionAndAmortization █████▇▇▇▇▇▇▇▇▇▇▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅135.59131.664131.763127.137126.075121.695120.055117.643113.63111.63110.879108.403106.435104.372101.921-33.34566.55671.97372.45371.44968.89171.15571.74471.05664.61861.13159.9958.57358.99460.37960.20771.34956.7354.53653.96253.49154.60454.69755.60955.56756.1755.08554.6752.789NANA
us-gaap:IncreaseDecreaseInAccountsPayable █▁16.40112.534NA-6.471-22.66731.084NA17.341-23.354-1.811NA3.985-2.331-12.182NA-2.4651.859-3.841NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅█▇▇▆▅▆▇▄▇█▆▅▆▆▁▃▄▅▄▄▅▆▄▄▅▄▄▄▄▄▅▄▄▅▄▄▃▄▄▃▃▁▄153.391306.113264.626271.659228.017155.343227.182249.6119.36243.452301.332204.733167.048208.864186.246-50.63964.064118.898137.47984.817112.285131.731212.276109.019120.046128.157102.968109.33107.32676.157117.641135.52123.45496.889147.3193.39695.67870.172106.67695.00862.33859.875-55.64680.833NANA
us-gaap:NetIncomeLoss ▄▄▄▃▃▃▃▃▃▃▄▃▃▃█▂▂▂▂▂▂▂▃▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▁▁152.804129.79142.329122.05880.18965.42667.44474.61979.20587.938151.696105.88191.32370.364447.5643.88126.2975.20750.44224.02442.89631.90572.50236.28150.95437.8458.49150.15840.19812.30545.29829.95342.94123.34146.8527.85233.6996.18836.81230.9519.5833.205-48.314-1.019-23.079-53.001
us-gaap:ProfitLoss ▃▃▃▃▂▂▂▂▂▂▃▃▂▂█▁▁▁▁▁153.135129.843142.381122.20480.26765.78367.57574.98179.43988.183151.945106.34491.62870.732447.8614.19918.25915.10622.47224.083NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▆▄▆▄▄▅▁▃▇▃▁▄▅▁█▇█▆▆██▇▆▆▆▆▇▇▇▇▃▆▇▆▇▆▇▇█▆▇▆▇-122.775-74.141-145.11-82.536-127.484-125.582-115.286-244.538-179.161-44.721-179.797-234.931-121.913-110.651-251.3462.978-20.419-5.154-71.89-56.5728.405-2.55-37.589-68.032-79.572-56.614-66.311-27.587-20.649-25.203-36.086-188.654-61.046-25.934-65.66-41.736-53.834-11.269-47.167-1.571-69.949-31.549-58.089-45.084NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▂▁▃▃▃▄▅▅▁▂▅▄▃▅█▃▂▄▃▂▃▃▄▄▃▄▃▄▃▃▅▄▃▃▄▄▃▄▃▅▄▆▄-42.432-185.366-200.746-69.367-101.886-71.885-45.4822.86655.762-217.784-131.9453.272-13.244-113.5255.327222.569-62.531-141.365-47.456-75.119-145.282-94.047-120.803-40.932-55.559-107.939-1.821-84.975-59.247-64.034-73.80661.053-57.644-85.805-71.375-43.854-54.013-93.303-17.602-97.91630.718-54.271103.293-5.118NANA
us-gaap:PaymentsOfDividends █▆▆▆▆▆▄▄▄▄▄▄▄▅▄▁▁▁▁16.70813.62413.32313.62413.70913.96410.24110.23210.2810.67210.48310.55610.74810.98310.6854.8434.8355.0914.844NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Dividends █▄▄▅▅▅▁▁▁▁▁▁▁▁▁16.72413.34513.46413.70213.72113.77410.32710.31210.32310.43810.54210.5910.76810.74210.714NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▄█▁▁▃▁▁▅▁▅▆0.053.661144.9550.00.034.630.00.086.8920.079.318100.0NANA0.00.00.00.02.11925.045.045.070.00.00.00.0NANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:SubsequentEventType knx:A2021TermLoan,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument srt:Maximum,knx:A2017AgreementCreditFacilityNANANANANANA1.5e-08NANANA1.5e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument srt:Maximum,knx:A2017AgreementTermLoanNANANANANANA1.5e-08NANANA1.5e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument srt:Minimum,knx:A2017AgreementCreditFacilityNANANANANANA8.800000000000001e-09NANANA8.800000000000001e-09NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:DebtInstrument srt:Minimum,knx:A2017AgreementTermLoanNANANANANANA8.800000000000001e-09NANANA8.800000000000001e-09NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value166170172177808081
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312010-12-31
Value16516516673
Percentage of CommonStockSharesIssued100.0100.0100.0100.0

us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value17017016917017017017317217517817817717784838382838487919191910.00.088888887878787039878785797973
Percentage of CommonStockSharesIssued0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonClassA


Common
Period End2020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500000500500500500500500
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value10.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.01.01.01.010001.01.01.01.01.01.0
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-31
Value165165166
Percentage of CommonStockSharesOutstanding100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementClassOfStock

us-gaap:CommonClassA


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
Value16516516617017016917017017017317217517817817717784838382838487919191910.00.088888887878787039878785797973
Percentage of CommonStockSharesOutstanding100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1661681711701711711721731771791791031341341341351371441441431431431431421411411391391400.1395030.1407161380.0601170.060117
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1651671701691701701721721761781781021331331321341361421421421411411401401391391391391390.1394980.1394791380.0601170.060117
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value31000.06000.08000.0365000.0256000.0408000.0916000.0997000.048000.047000.091000.0654000.086000.0153000.0154000.0637000.0452000.0350000.0195000.00168000.0000171000.0507000.05789000.04257000.0281000.04478000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.920.770.850.720.470.380.40.440.460.510.870.60.510.392.520.040.20.040.380.180.320.230.520.250.360.270.410.350.280.090.320.210.310.170.330.20.240.040.260.220.140.02-0.7-0.02-0.38
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.920.770.830.710.470.380.390.440.460.510.860.60.510.392.50.040.20.040.380.180.320.230.510.250.350.260.410.350.280.090.320.210.30.170.330.20.240.040.270.220.140.02-0.7-0.02-0.38
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value112410601083104495810221097109711331088
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues85.586.784.886.390.490.991.791.491.390.3

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
Value204175192170107909299105116202140118891382.927417.5786934654511457826191746520785669377442552.645950335.526-90.1511.951-18.119
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 Revenues15.614.315.114.010.18.07.88.38.59.614.510.58.97.110.20.64.20.86.73.46.54.710.55.47.86.18.06.96.12.07.35.47.84.48.14.96.40.36.95.93.90.7-11.60.3-2.5

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
Value5145504726242524262750342718-309.502-1.272152.37119102213422131233223257.70433262614271421-3.5482219132.321-41.8372.974.96
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 Revenues3.93.73.94.02.52.22.12.02.12.33.62.62.01.5-22.8-0.21.60.21.91.02.21.43.92.03.02.32.92.22.30.83.12.53.01.73.01.72.5-0.42.62.31.60.3-5.40.40.7

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1312.19944310.3523.281.2724.91972-0.124-0.042.72114-1.1541.1081.087490.1361236290.9441.18726491.5072337183.4630.023151.8862.9082.959124.6972.222.1323.2573.4380.8425.411.661
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.00.23.52.60.00.30.10.45.8-0.0-0.00.21.1-0.10.10.25.00.01.23.62.90.10.12.54.70.12.03.51.70.30.01.50.20.30.31.40.50.30.20.40.40.10.70.2

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
Value3.3073.4863.9493.2324.0216.1077.1397.797.1567.3488.7467.5287.1326.7646.7381.8126.8627.5217.0537.3847.5678.5948.7239.13101015202123232423252728293235363637616462
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 Revenues0.30.30.30.30.40.50.60.60.60.60.60.60.50.50.50.30.70.80.70.70.70.90.80.91.01.01.31.92.02.32.22.42.63.03.03.23.44.04.14.24.34.97.98.58.5

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.2142.5054.4752.4664.1626.2937.0917.5486.5987.6798.537
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.20.20.40.20.40.60.60.60.50.60.6

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15212914212280656774798715110591704473.881265.207502442317236503758504012452942234627336.1883630193.205-48.314-1.019-23.079-53.001
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.610.611.110.17.65.85.66.26.47.310.97.96.95.532.90.72.60.54.92.44.23.36.73.44.83.75.14.73.71.24.22.94.82.75.13.23.90.74.33.62.30.4-6.2-0.1-3.1-8.1

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1521291421228065677479871511059170447
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.610.611.110.17.65.85.66.26.47.310.97.96.95.532.9
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312012-03-312011-12-312011-09-30
Value15212914212280656774798715110591704475.224265.20750244231723650376.1883630
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0134.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.610.611.110.17.65.85.66.26.47.310.97.96.95.532.91.02.60.54.92.44.23.36.73.44.83.70.74.33.6
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value331000.053000.052000.0146000.078000.0357000.0131000.0362000.0234000.0245000.0249000.0463000.0305000.0368000.0297000.0318000.0289000.0230000.0311000.0316000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.0

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value331000.053000.052000.0146000.078000.0357000.0131000.0362000.0234000.0245000.0249000.0463000.0305000.0368000.0297000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1312-1.8384.5784.915-11.782-6.743-3.448-3.078-0.193-4.259-3.312-5.397-4.037-5.412-2.884-10.243-8.007-5.602-5.537-8.837-7.067-6.838-17.366-15.645-13.469
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.01.1-0.10.40.5-1.0-0.6-0.3-0.2-0.0-0.3-0.2-0.4-0.3-0.4-0.6-1.0-0.8-0.5-0.5-0.9-0.7-0.6-1.6-1.5-1.3

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.00.010.01097109711331088118712021207117712155159409489639739379159689909609401007977981962972947805794815800785768763774777712703676674
Percentage of OperatingExpenses0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.991.791.491.390.385.289.390.792.689.498.994.798.492.796.192.794.688.893.090.792.688.490.991.395.490.591.889.792.888.491.990.193.088.789.691.593.890.289.291.7

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19116219416510210267102108116151144124934475.8115215753974521217498751329794461028492611077086579789724676826123
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.513.315.213.79.69.15.68.68.79.710.910.79.37.432.91.15.31.67.33.97.35.411.27.09.37.411.69.18.74.69.58.210.37.211.68.19.97.011.310.48.56.29.810.88.33.5

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value2.49-7.258-16.947-6.048-4.184-6.197-25.273-7.496-26.392-8.52-5.843-14.581-10.689-13.925-19.160.00.00.0
Percentage of OperatingIncomeLoss1.3-4.5-8.7-3.7-4.1-6.1-37.4-7.3-24.3-7.3-3.8-10.1-8.6-14.9-329.70.00.00.0
Percentage of Revenues0.2-0.6-1.3-0.5-0.4-0.6-2.1-0.6-2.1-0.7-0.4-1.1-0.8-1.1-3.70.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment3.7-14.30.0-10.7-9.2-13.40.0-24.5-89.2-22.60.0-18.6-13.9-17.9-94.80.00.00.0

us-gaap:OperatingSegments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value18816921117110610812411013412421215813410724282236
Percentage of OperatingIncomeLoss98.7104.5108.7103.7104.1106.1184.8107.3124.3107.3139.9110.1108.6114.9429.754.5145.392.7
Percentage of Revenues14.313.916.614.210.09.610.49.210.910.415.211.810.18.54.82.92.33.6
Percentage of Revenues us-gaap:OperatingSegments14.914.30.014.610.39.90.09.311.110.60.012.410.68.94.910.38.313.1

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

us-gaap:OperatingSegments, knx:Intermodal


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.8123.4576.0190.25-4.475-2.7370.6-2.6524.1922.361139.6884.483.948
Percentage of OperatingIncomeLoss3.02.13.10.2-4.4-2.70.9-2.63.92.08.76.73.64.2
Percentage of Revenues0.40.30.50.0-0.4-0.20.1-0.20.30.20.90.70.30.3
Percentage of Revenues us-gaap:OperatingSegments knx:Intermodal5.03.20.00.3-5.4-2.90.0-2.43.52.00.07.43.73.6

us-gaap:OperatingSegments, knx:Logistics


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value147.577112.4783.0383.7195.8733.6925.0217.283158.8164.1083.5823.6512.6482.3782.495
Percentage of OperatingIncomeLoss7.54.75.71.53.03.68.73.64.66.310.26.13.33.862.85.115.36.3
Percentage of Revenues1.10.60.90.20.30.30.50.30.40.61.10.70.30.30.70.30.20.2
Percentage of Revenues us-gaap:OperatingSegments knx:Logistics8.66.40.02.54.34.70.04.36.18.20.09.85.25.36.34.84.44.7

us-gaap:OperatingSegments, knx:Trucking


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value1681581941681071071181091251153965656408.581252034
Percentage of OperatingIncomeLoss88.197.7100.0102.0105.5105.1175.2106.3115.899.0261.239.245.543.5147.749.4130.086.4
Percentage of Revenues12.813.015.213.910.29.59.99.110.19.628.54.24.23.21.62.62.13.4
Percentage of Revenues us-gaap:OperatingSegments knx:Trucking17.116.50.017.312.311.70.011.112.311.80.019.119.216.03.911.79.315.1

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value16161.7787.4848.499-6.507-0.4383.3353.1016.1393.4783.3271.0052.1550.678-1.4421.1951.1830.8281.2231.0940.7761.3170.7520.9840.6051.6990.8426.282.0495.962.855-1.323-1.53160.3850.02200.3940.380.664-0.511
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.31.30.10.60.8-0.6-0.00.30.20.50.20.20.10.20.0-0.30.10.10.10.10.10.10.10.10.10.10.10.10.60.20.60.3-0.1-0.21.80.00.02.50.00.00.1-0.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value15312914212280656774798815110691704474.19918152224
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.610.611.110.17.65.85.66.26.47.310.97.96.95.632.90.81.81.62.22.4

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1315122312771210106011241196120012421204139413461331127113595219939631038101310119671089106410591015113910741075100810751032898856922871872826860863850758780758736654
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value66504056454632302937-48.89787677200.00.00.0
Percentage of Revenues5.14.13.24.74.34.12.72.52.43.1-3.55.85.86.13.90.00.00.0
Percentage of Revenues5.14.13.24.74.34.12.72.52.43.1-3.55.85.86.13.90.00.00.0
Percentage of Revenues us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:IntersegmentElimination


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-19.067-16.555-17.072-19.962-16.884-14.434-15.701-11.993-8.665-11.793-16.409-15.238-18.167-15.379-5.386-15.742-14.989-17.786-19.283-19.401-19.094-21.402-20.547
Percentage of Revenues-1.4-1.4-1.3-1.6-1.6-1.3-1.3-1.0-0.7-1.0-1.2-1.1-1.4-1.2-1.0-1.6-1.6-1.7-1.9-1.9-2.0-2.0-1.9
Percentage of Revenues-1.4-1.4-1.3-1.6-1.6-1.3-1.3-1.0-0.7-1.0-1.2-1.1-1.4-1.2-1.0-1.6-1.6-1.7-1.9-1.9-2.0-2.0-1.9
Percentage of Revenues us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value12671188125411731032109211791181122111781459128312721208506275272282
Percentage of Revenues96.497.298.197.097.397.298.698.598.397.8104.795.395.695.197.227.728.327.9
Percentage of Revenues96.497.298.197.097.397.298.698.598.397.8104.795.395.695.197.227.728.327.9
Percentage of Revenues us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, knx:Intermodal


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value115107115988294111108118116138130120110
Percentage of Revenues8.88.89.08.27.88.49.49.19.59.79.99.79.08.7
Percentage of Revenues8.88.89.08.27.88.49.49.19.59.79.99.79.08.7
Percentage of Revenues us-gaap:OperatingSegments knx:Intermodal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, knx:Logistics


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value1661181279970799486828820089786757545453
Percentage of Revenues12.79.710.08.26.67.07.97.26.77.414.46.75.95.311.15.55.65.3
Percentage of Revenues12.79.710.08.26.67.07.97.26.77.414.46.75.95.311.15.55.65.3
Percentage of Revenues us-gaap:OperatingSegments knx:Logistics100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, knx:Trucking


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value985962101197587991997298610209733444296294254222220218228
Percentage of Revenues74.978.779.280.682.981.781.382.282.180.8247.022.022.120.142.622.222.722.6
Percentage of Revenues74.978.779.280.682.981.781.382.282.180.8247.022.022.120.142.622.222.722.6
Percentage of Revenues us-gaap:OperatingSegments knx:Trucking100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ProductOrService

knx:Revenueexcludingtruckingfuelsurcharge


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value121211331207113799710271085109011221096126412121191
Percentage of Revenues92.292.694.594.094.191.390.790.890.491.190.790.089.4
Percentage of Revenues92.292.694.594.094.191.390.790.890.491.190.790.089.4
Percentage of Revenues knx:Revenueexcludingtruckingfuelsurcharge100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:Truckingfuelsurchargerevenue


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1028970736397111110119107130134140
Percentage of Revenues7.87.45.56.05.98.79.39.29.68.99.310.010.6
Percentage of Revenues7.87.45.56.05.98.79.39.29.68.99.310.010.6
Percentage of Revenues knx:Truckingfuelsurchargerevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value868285198468850182798288828183228213808179117932775376567683754725902637274527542772286729222974290928762937283228152820280928642642263926322615257225992638254425912567
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

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value258425702595262025132597261327162681253624492535235723462443274918751955207321412164226023052361233623622467242924672517252526292338238324022432244025032552249825772651
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.830.230.730.830.431.331.632.632.631.431.032.030.430.731.836.472.474.175.577.878.178.878.979.480.382.184.085.887.689.389.991.888.590.391.393.094.996.396.798.299.4103.2

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
Value868285198468850182798288828183228213808179117932775376567683754725902637274527542772286729222974290928762937283228152820280928642642263926322615257225992638254425912567
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value6085593658695879576356885666560355305542546053935394530652374795786
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets70.169.769.369.269.668.668.467.367.368.669.068.069.669.368.263.528.6

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
Value1074963923998829838890900868813907971941895923927598615655653693727705725714720800743752734734728613666674644605645666573594512
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 Assets12.411.310.911.710.010.110.710.810.610.111.512.312.111.712.012.323.123.323.923.725.025.424.124.424.625.127.226.326.726.026.125.423.225.325.624.723.524.825.222.522.920.0

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
Value179194156240117119159935560829111579761364261897111814210753536810570734659514338534335478240442147572711557
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 Assets2.12.31.92.81.41.41.91.10.70.71.01.21.51.01.01.81.72.33.32.64.35.03.71.81.82.43.62.52.61.62.11.81.61.52.01.71.41.83.11.61.70.01.80.00.00.00.0

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
Value23224319727815816020213510711113014116813615120090469.4069.694
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 Assets2.72.92.33.31.91.92.41.61.31.41.71.82.21.82.02.73.51.80.30.3

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
Value648584578559522521518513549555616625598589574545401396408403417408422448451452478454460454418413360358338360348339324334332276
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 Assets7.56.96.86.66.36.36.36.26.76.97.87.97.77.77.57.215.515.014.914.715.114.314.515.115.515.716.316.016.416.114.914.413.613.612.913.813.613.012.313.112.810.8

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value602120242725275134262929303714016017918913919520816814918618813128.122
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.20.20.30.30.30.30.60.40.30.40.40.40.55.05.76.46.65.37.47.96.45.87.27.10.50.50.3

Land

us-gaap:Land

us-gaap:Land


Land
Period End2020-12-312019-12-312018-12-312017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value236228227216132132132131131131131127127122122117116116117124115112112125125125133133136141
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.82.92.85.15.04.84.84.74.64.54.34.44.34.24.14.24.14.24.44.44.34.34.84.94.85.15.35.25.5

Machinery And Equipment Gross

us-gaap:MachineryAndEquipmentGross

us-gaap:MachineryAndEquipmentGross


Machinery
Period End2020-12-312019-12-312018-12-312017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value341730072617219722142229226622332190222922782061
Percentage of MachineryAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.436.333.128.685.584.582.581.179.077.778.070.2

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


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
Value440142864223411239473838374236713546337733053200299528772847269627452755279327542705273527792771266425862520243024002420237024472265218921312115210420742078203920482000
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.750.349.948.447.746.345.244.143.241.841.840.438.637.637.135.7106.0104.5101.7100.097.695.495.193.291.689.985.885.885.385.884.485.585.782.981.080.981.879.878.880.279.077.9

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

knx:RevenueEquipment


Property
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value10391859996
Percentage of PropertyPlantAndEquipmentGross2.42.42.32.82.9
Percentage of Assets1.21.11.01.21.2
Percentage of Assets knx:RevenueEquipment0.00.00.00.00.0

Furniture And Fixtures Gross

us-gaap:FurnitureAndFixturesGross

us-gaap:FurnitureAndFixturesGross


Furniture
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6961515043401101091131101061039993786867626662615947464343434141383633
Percentage of FurnitureAndFixturesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.70.70.70.60.54.24.14.14.03.83.63.43.22.72.42.32.22.42.22.22.11.81.81.71.71.71.61.61.51.41.3

Leasehold Improvements Gross

us-gaap:LeaseholdImprovementsGross

us-gaap:LeaseholdImprovementsGross


Leasehold
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302016-12-31
Value1212109.9919.9059.5294.735
Percentage of LeaseholdImprovementsGross100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.10.10.10.10.10.2

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
Value138913111230114210539658928248017536936435925324623991286127112441200117611521128109210491017978946950951922942864851819804802787778747730660
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 Assets16.015.414.513.412.711.710.89.99.89.38.88.17.66.96.05.349.748.245.343.642.440.238.636.736.135.433.333.433.833.732.832.932.732.231.130.831.230.329.529.428.225.7

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType

knx:RevenueEquipment


Accumulated
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value2918173129
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment2.42.12.13.93.9
Percentage of Assets0.40.20.20.40.4
Percentage of Assets knx:RevenueEquipment0.00.00.00.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1111111111111010101010101010102.6544.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2034.2044.2044.2034.2154.3034.4054.5094.6174.7274.844.9555.199
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value301129752992297028942873285028462745262326122557240323452384229614581483154815531528158216511678161415691542148314501468144715051400133813111311130112871299129113171339
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 Assets34.734.935.334.935.034.734.434.233.432.533.032.231.030.631.030.456.356.256.456.455.155.256.556.455.554.552.552.451.552.151.552.553.050.749.850.150.649.549.350.850.952.2

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-09-302016-12-312014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value8180773736303032313020182020270.00.00.00.00.00.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0
Percentage of Assets0.90.90.90.40.40.40.40.40.40.40.30.20.30.31.00.00.00.00.00.00.0

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

knx:HoldingsCo


Investments
Period End2020-12-31
Value40
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures52.0
Percentage of Assets0.5
Percentage of Assets knx:HoldingsCo0.0

knx:TransportationResourcePartnersCoInvestPartnersFFRI


Investments
Period End2020-12-312019-12-312018-12-31
Value4.9054.950.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures6.316.00.0
Percentage of Assets0.10.10.0
Percentage of Assets knx:TransportationResourcePartnersCoInvestPartnersFFRI0.00.00.0

knx:TransportationResourcePartnersCoInvestPartnersQLS


Investments
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302016-12-31
Value1616117.6718.0547.1459.735
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures20.953.153.741.539.534.535.1
Percentage of Assets0.20.20.10.10.10.10.4
Percentage of Assets knx:TransportationResourcePartnersCoInvestPartnersQLS0.00.00.00.00.00.00.0

knx:TransportationResourcePartnersCoinvestPartnersVPW


Investments
Period End2020-12-31
Value4.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures5.2
Percentage of Assets0.0
Percentage of Assets knx:TransportationResourcePartnersCoinvestPartnersVPW0.0

knx:TransportationResourcePartnersColnvestPartnersNTI


Investments
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302016-12-31
Value5.6096.2255.5476.1217.5798.62510.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures7.220.226.933.137.241.736.1
Percentage of Assets0.10.10.10.10.10.10.4
Percentage of Assets knx:TransportationResourcePartnersColnvestPartnersNTI0.00.00.00.00.00.00.0

knx:TransportationResourcePartnersIII


Investments
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302016-12-31
Value0.2170.2521.7812.1321.9732.1465.882
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures0.30.88.611.59.710.421.2
Percentage of Assets0.00.00.00.00.00.00.2
Percentage of Assets knx:TransportationResourcePartnersIII0.00.00.00.00.00.00.0

knx:TransportationResourcePartnersIV


Investments
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302016-12-31
Value2.9523.0682.0222.342.5772.581.882
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures3.89.99.812.712.612.56.8
Percentage of Assets0.00.00.00.00.00.00.1
Percentage of Assets knx:TransportationResourcePartnersIV0.00.00.00.00.00.00.0

knx:TransportationResourcePartnersV


Investments
Period End2020-12-31
Value3.304
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures4.3
Percentage of Assets0.0
Percentage of Assets knx:TransportationResourcePartnersV0.0

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
Value2971295829222922292229232918291829192919291929192917291028872989253253253253253253253253253253253253253253253253253253253253253253253253253253
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 Assets34.234.734.534.435.335.335.235.135.536.136.936.837.638.037.639.69.89.69.29.29.18.88.78.58.78.88.68.99.09.09.08.89.69.69.69.79.89.79.610.09.89.9

us-gaap:Goodwill us-gaap:BusinessAcquisition

knx:UTXL


Goodwillus-gaap:
Period End2021-06-01
Value12
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets knx:UTXL0.0

us-gaap:Goodwill us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Goodwillus-gaap:
Period End2020-12-312019-12-31
Value4642
Percentage of Goodwill1.61.5
Percentage of Assets0.60.5
Percentage of Assets us-gaap:CorporateNonSegment0.00.0

us-gaap:Goodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, knx:Trucking


Goodwillus-gaap:
Period End2020-12-312019-12-31
Value26582658
Percentage of Goodwill90.991.1
Percentage of Assets31.432.1
Percentage of Assets us-gaap:OperatingSegments knx:Trucking0.00.0

us-gaap:Goodwill us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, knx:WarehousingCo


Goodwillus-gaap:
Period End2020-12-31
Value-0.41
Percentage of Goodwill-0.0
Percentage of Assets-0.0
Percentage of Assets srt:RestatementAdjustment knx:WarehousingCo0.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value640639639640635468181181181181181181181181
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.67.78.18.48.36.27.06.96.66.66.56.36.26.2

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1403139313891400141214231379139113991410142014311442145314401285257262266270274278283287291295299304308312316320325329333337341346350354359368
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.216.416.416.517.117.216.716.717.017.518.018.018.619.018.817.010.09.99.79.89.99.79.79.710.010.310.210.711.011.111.311.212.312.512.712.913.313.313.313.913.914.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value760752748760771783739751759770781791802812805816768185899397102118
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.88.88.88.99.39.48.99.09.29.59.910.010.310.610.510.83.03.13.13.23.43.43.54.0

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
Value91951131191361591691922212520.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.11.11.31.41.71.92.02.32.73.10.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value13013212689827073715961515148362223212222242929343741475050575750525968706668706659
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.61.51.01.00.80.90.90.70.80.70.60.60.50.90.90.80.80.80.91.01.01.21.31.41.71.81.82.02.01.92.02.22.62.82.62.62.82.62.3

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value19221821179.8438.7224.783313020
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.20.30.20.10.10.10.40.40.3

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
Value151126101140128168991451651581171641411121191981331141151381211181211361231621601651411741181521221231031129810681909790
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 Assets1.71.51.21.61.62.01.21.72.02.01.52.11.81.51.62.65.24.34.25.04.44.14.24.64.25.65.55.95.06.24.25.34.64.73.94.33.84.13.13.63.83.5

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8714388112958717516215416715115315518718621314216313213211611197105114110100120127119110123991059611010010310111210480
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.71.01.31.21.12.12.01.92.11.91.92.02.52.42.85.56.24.84.84.23.93.33.53.93.93.44.24.54.23.94.33.84.03.74.23.94.03.84.44.03.1

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
Value7059488391262971979993696743761614680641618609700412429409422400374398663397429422452436459384432370370323337319382316330335326
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 Assets8.111.19.914.811.711.812.08.49.19.47.88.68.38.17.99.315.916.314.915.314.413.113.722.313.714.914.416.015.516.313.715.114.014.012.312.912.414.712.013.012.912.7

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3237475765758088981090.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.40.40.60.70.80.91.01.11.21.40.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6853606424201915139.73710
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.70.80.80.90.70.70.50.50.40.4

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value50836436436436436436436536436436436439945247650159459864768068288989990387891511141150115511541164123612891320138414401579
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.04.44.44.44.44.44.54.64.64.74.84.75.317.518.118.321.621.622.623.322.930.631.330.731.032.539.541.040.343.744.147.049.351.353.354.661.5

us-gaap:LongTermDebt us-gaap:FinancialInstrument

knx:A2017TermLoan


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value299299298365364
Percentage of LongTermDebt0.00.058.70.0100.0
Percentage of Assets3.43.53.54.34.4
Percentage of Assets knx:A2017TermLoan0.00.00.00.00.0

Unsecured Long Term Debt

us-gaap:UnsecuredLongTermDebt

us-gaap:UnsecuredLongTermDebt


Unsecured
Period End2021-06-302021-03-312020-12-31
Value299299298
Percentage of UnsecuredLongTermDebt100.0100.0100.0
Percentage of Assets3.43.53.5

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value806797815802792785771774749730739726684671679909178
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.39.49.69.49.69.59.39.39.19.09.39.28.88.88.812.16.5

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value12122.1922.2282.1292.2652.0882.1751.9531.8671.772.5192.2392.2052.6382.4860.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.2020.2020.2020.2020.2020.2020.2020.2020.2020.102
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-312011-09-302011-06-302010-12-31
Value45454855382514151617232425264.7925.8046.2966.6991.4641.2390.9590.530.1810.0320.0140.0212.3582.6653.4573.1332.8994.1314.1314.1336.207
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.60.70.50.30.20.20.20.20.30.30.30.30.20.20.20.20.10.00.00.00.00.00.00.00.10.10.10.10.10.20.20.20.2

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
Value606269677689961111291510.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.70.70.80.80.91.11.21.31.61.90.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value31
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value18
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value7024000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value3491000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value22
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-31
Value117
Percentage of OperatingLeaseLiability100.0
Percentage of Assets1.4

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value133
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets1.6

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value16
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.2

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value6085593658695879576356885666560355305542546053935394530652374795786
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets70.169.769.369.269.668.668.467.367.368.669.068.069.669.368.263.528.6

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


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
Value609859495872588157655690566856055532554454625396539653095240479871568167261260860661761257251447040234730228323430425623018213295864514-83.171-865.781-444.193
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets70.269.869.369.269.668.768.467.467.468.669.068.069.669.368.263.627.625.924.522.221.921.221.120.619.717.916.014.212.410.710.18.211.59.78.77.05.13.73.31.80.6-3.20.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1.6571.6551.6651.7021.7011.6981.7071.7051.7031.731.7281.7561.7861.7831.781.7790.8420.8350.8330.8260.8370.8780.8730.8710.870.870.870.8590.7940.7940.733
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.30.40.50.70.91.01.75.6-0.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value4325430943014294428742754269426342544248424242364232422542194212695688701690699725754795791786781772769764759756903896893891890890822419456
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest70.972.473.373.074.475.175.376.176.976.677.778.578.479.680.587.897.2100.9104.3112.8115.0119.5122.3129.9138.4152.8166.1192.0221.2253.1267.8322.2297.2389.6932.81034.81936.86224.2-988.5-48.4-102.8
Percentage of Assets49.850.650.850.551.851.651.551.251.852.653.653.454.655.254.955.826.826.125.525.125.225.325.826.827.227.326.627.327.327.127.026.434.234.134.433.835.034.332.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1.6651.7071.7281.780.8020.810.818
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.10.10.2
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value12122.1922.2282.1292.2652.0882.1751.9531.8671.772.5192.2392.2052.6382.4860.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.2020.2020.2020.2020.2020.2020.1020.1020.102
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.20.20.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.20.20.41.4-0.1-0.0-0.0
Percentage of Assets0.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value6085593658695879576356885666560355305542546053935394530652374795786738677
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest99.899.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.999.9117.0119.7144.1
Percentage of Assets70.169.769.369.269.668.668.467.367.368.669.068.069.669.368.263.528.625.323.1
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value17571625156615821474141013951338127412921216115411591079101658118-7.874-30.242-79.503-92.425-119.654-139.033-184.942-221.223-272.177-310.017-368.508-418.666-458.864-471.169-516.467-593.886-660.168-789.933-796.121-832.933-863.883-886.671-759.936-307.908
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest28.827.326.726.925.624.824.623.923.023.322.321.421.520.319.412.12.6-1.2-4.5-13.0-15.2-19.7-22.5-30.2-38.7-52.9-65.9-91.6-120.4-151.8-166.1-219.9-195.4-286.9-824.9-923.7-1811.2-6041.11066.187.869.3
Percentage of Assets20.219.118.518.617.817.016.816.115.516.015.414.615.014.113.27.70.7-0.3-1.1-2.9-3.3-4.2-4.8-6.2-7.6-9.5-10.6-13.0-14.9-16.3-16.8-18.0-22.5-25.1-30.4-30.2-32.7-33.3-34.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value4325430943014294428742754269426342544248424242364232422542194212695688701690699754
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.850.650.850.551.851.651.551.251.852.653.653.454.655.254.955.826.826.125.525.125.225.8

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
Value17571625156615821474141013951338127412921216115411591079101658118-7.874-30.242-79.503-92.425-119.654-139.033-184.942-221.223-272.177-310.017-368.508-418.666-458.864-471.169-516.467-593.886-636.827-660.168-707.018-756.234-789.933-796.121-832.933-863.883-886.671
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 Assets20.219.118.518.617.817.016.816.115.516.015.414.615.014.113.27.70.7-0.3-1.1-2.9-3.3-4.2-4.8-6.2-7.6-9.5-10.6-13.0-14.9-16.3-16.8-18.0-22.5-24.1-25.1-27.0-29.4-30.4-30.2-32.7-33.3-34.5

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value12122.1922.2282.1292.2652.0882.1751.9531.8671.772.5192.2392.2052.6382.4860.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.1020.2020.2020.2020.2020.2020.2020.2020.2020.2020.102
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302020-09-302020-06-302019-09-302019-06-302018-09-302018-06-30
Value575000.00515000.00531000.00774000.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.0100.00.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302020-09-302020-06-302019-09-302019-06-302018-09-302018-06-30
Value575000.00515000.00531000.00774000.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.0100.00.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2021-06-302020-09-302020-06-302019-09-302019-06-302018-09-302018-06-30
Value575000.00515000.00531000.00774000.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.0100.00.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value135.6625.4724.8273.5363.4863.6892.882.8172.4141.989
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value135.6625.4724.8273.5363.4863.6892.882.8172.4141.989
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value135.6625.4724.8273.5363.4863.6892.882.8172.4141.989
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value33000.032000.088000.047000.0214000.0180000.0218000.0140000.0148000.0148000.0998000.0183000.0271000.0801000.0145000.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value33000.032000.088000.047000.0214000.0180000.0218000.0140000.0148000.0148000.0998000.0183000.0271000.0801000.0145000.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value153306264271228155227249119243301204167208186-50.63964118137841121312121091201281021091077611713512396147939570106956259-55.64680
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.725.020.722.421.513.819.020.89.620.221.615.212.516.413.7-9.76.512.313.28.411.113.619.510.211.312.69.010.210.07.610.913.113.711.316.010.711.08.512.411.07.37.9-7.110.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-122.775-74.141-145.11-82.536-127.484-125.582-115.286-244.538-179.161-44.721-179.797-234.931-121.913-110.651-251.3462.978-20.419-5.154-71.89-56.5728.405-2.55-37.589-68.032-79.572-56.614-66.311-27.587-20.649-25.203-36.086-188.654-61.046-25.934-65.66-41.736-53.834-11.269-47.167-1.571-69.949-31.549-58.089-45.084
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-9.3-6.1-11.4-6.8-12.0-11.2-9.6-20.4-14.4-3.7-12.9-17.4-9.2-8.7-18.50.6-2.1-0.5-6.9-5.60.8-0.3-3.4-6.4-7.5-5.6-5.8-2.6-1.9-2.5-3.4-18.3-6.8-3.0-7.1-4.8-6.2-1.4-5.5-0.2-8.2-4.2-7.4-5.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-42.432-185.366-200.746-69.367-101.886-71.885-45.482255-217.784-131.9453.272-13.244-113.5255.327222-62.531-141.365-47.456-75.119-145.282-94.047-120.803-40.932-55.559-107.939-1.821-84.975-59.247-64.034-73.80661-57.644-85.805-71.375-43.854-54.013-93.303-17.602-97.91630-54.271103-5.118
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-3.2-15.2-15.7-5.7-9.6-6.4-3.81.94.5-18.1-9.50.2-1.0-8.90.442.7-6.3-14.7-4.6-7.4-14.4-9.7-11.1-3.8-5.2-10.6-0.2-7.9-5.5-6.3-6.95.9-6.4-10.0-7.7-5.0-6.2-11.3-2.0-11.33.6-7.213.2-0.7

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-11.81646-81.23119-1.353-42.1246627-4.039-19.053-10.41-26.92631-15.312-48.9711104336
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.93.8-6.49.9-0.1-3.75.52.3-0.3-1.6-0.7-2.02.4-1.2-3.621.24.43.8

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value135131131127126121120117113111110108106104101-33.34566717271687171716461595858606071565453535454555556555452
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1612-6.471-22.6673117-23.354-1.8113.985-2.331-12.182-2.4651.859-3.841
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value153306264271228155227249119243301204167208186-50.63964118137841121312121091201281021091077611713512396147939570106956259-55.64680
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.725.020.722.421.513.819.020.89.620.221.615.212.516.413.7-9.76.512.313.28.411.113.619.510.211.312.69.010.210.07.610.913.113.711.316.010.711.08.512.411.07.37.9-7.110.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15212914212280656774798715110591704473.881265.207502442317236503758504012452942234627336.1883630193.205-48.314-1.019-23.079-53.001
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.610.611.110.17.65.85.66.26.47.310.97.96.95.532.90.72.60.54.92.44.23.36.73.44.83.75.14.73.71.24.22.94.82.75.13.23.90.74.33.62.30.4-6.2-0.1-3.1-8.1

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1521291421228065677479871511059170447
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.610.611.110.17.65.85.66.26.47.310.97.96.95.532.9
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312012-03-312011-12-312011-09-30
Value15212914212280656774798715110591704475.224265.20750244231723650376.1883630
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0134.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.610.611.110.17.65.85.66.26.47.310.97.96.95.532.91.02.60.54.92.44.23.36.73.44.83.70.74.33.6
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value15312914212280656774798815110691704474.19918152224
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.610.611.110.17.65.85.66.26.47.310.97.96.95.632.90.81.81.62.22.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-122.775-74.141-145.11-82.536-127.484-125.582-115.286-244.538-179.161-44.721-179.797-234.931-121.913-110.651-251.3462.978-20.419-5.154-71.89-56.5728.405-2.55-37.589-68.032-79.572-56.614-66.311-27.587-20.649-25.203-36.086-188.654-61.046-25.934-65.66-41.736-53.834-11.269-47.167-1.571-69.949-31.549-58.089-45.084
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-9.3-6.1-11.4-6.8-12.0-11.2-9.6-20.4-14.4-3.7-12.9-17.4-9.2-8.7-18.50.6-2.1-0.5-6.9-5.60.8-0.3-3.4-6.4-7.5-5.6-5.8-2.6-1.9-2.5-3.4-18.3-6.8-3.0-7.1-4.8-6.2-1.4-5.5-0.2-8.2-4.2-7.4-5.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-42.432-185.366-200.746-69.367-101.886-71.885-45.482255-217.784-131.9453.272-13.244-113.5255.327222-62.531-141.365-47.456-75.119-145.282-94.047-120.803-40.932-55.559-107.939-1.821-84.975-59.247-64.034-73.80661-57.644-85.805-71.375-43.854-54.013-93.303-17.602-97.91630-54.271103-5.118
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-3.2-15.2-15.7-5.7-9.6-6.4-3.81.94.5-18.1-9.50.2-1.0-8.90.442.7-6.3-14.7-4.6-7.4-14.4-9.7-11.1-3.8-5.2-10.6-0.2-7.9-5.5-6.3-6.95.9-6.4-10.0-7.7-5.0-6.2-11.3-2.0-11.33.6-7.213.2-0.7

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1613131313131010101010101010104.8434.8355.0914.844
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Dividends

us-gaap:Dividends

us-gaap:Dividends


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value161313131313101010101010101010
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends us-gaap:StatementEquityComponents

us-gaap:Parent


Dividendsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value161313131313101010101010101010
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividendsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value161313131313101010101010101010
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.0531440.00.0340.00.0860.0791000.00.00.00.02.119254545700.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.00.00.0100.00.00.0100.00.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

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

us-gaap:DebtInstrumentInterestRateStatedPercentage

knx:A2021TermLoan, us-gaap:SubsequentEvent


Debt
Period End2021-07-06
Value1.0
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations knx:A2021TermLoan us-gaap:SubsequentEvent0.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range, us-gaap:DebtInstrument

srt:Maximum, knx:A2017AgreementCreditFacility


Debt
Period End2020-10-022019-12-312018-12-31
Value1.50.0150.015
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum knx:A2017AgreementCreditFacility0.00.00.0

srt:Maximum, knx:A2017AgreementTermLoan


Debt
Period End2020-10-022019-12-312018-12-31
Value1.750.0150.015
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Maximum knx:A2017AgreementTermLoan0.00.00.0

srt:Minimum, knx:A2017AgreementCreditFacility


Debt
Period End2020-10-022019-12-312018-12-31
Value0.880.00880.0088
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum knx:A2017AgreementCreditFacility0.00.00.0

srt:Minimum, knx:A2017AgreementTermLoan


Debt
Period End2020-10-022019-12-312018-12-31
Value1.130.00880.0088
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum knx:A2017AgreementTermLoan0.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value25.325.928.10.250.2720.2460.2470.240.2460.2290.212-0.4350.3730.313-0.0130.30.3440.298-0.0050.370.3850.3850.0010.3230.3850.3850.0130.4660.3850.3850.0180.350.39-1.344-0.0080.390.410.42
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-31
Value29.4527.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value815771739679427463543542510516523
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value152135130128117105105102166197250
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value2950000.04083000.07423000.07096000.0764000.01739000.01739000.02385000.02385000.02332000.05702000.03531000.03423000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:AccordionOptionAccountsReceivableSecuritization us-gaap:FinancialInstrument

knx:AccordionOptionAccountsReceivableSecuritization

knx:A2021RSA


Accordion
Period End2021-04-23
Value100
Percentage of AccordionOptionAccountsReceivableSecuritization100.0

knx:AccordionOptionAccountsReceivableSecuritization us-gaap:FinancialInstrument, us-gaap:SubsequentEventType

knx:A2021RSA, us-gaap:SubsequentEvent


Accordion
Period End2021-04-23
Value100
Percentage of AccordionOptionAccountsReceivableSecuritization100.0

knx:CargoInsurancepertruckortrailer

knx:CargoInsurancepertruckortrailer


Cargo
Period End2021-06-302021-03-312020-12-31
Value02000000.0-1000000.0
Percentage of CargoInsurancepertruckortrailer0.0100.0100.0

knx:Cargoinsuranceperoccurrence

knx:Cargoinsuranceperoccurrence


Cargoinsuranceperoccurrence
Period End2021-06-302021-03-312020-12-31
Value010000000.00
Percentage of Cargoinsuranceperoccurrence0.0100.00.0

knx:Excesscoveragelayer

knx:Excesscoveragelayer


Excesscoveragelayer
Period End2021-06-302021-03-31
Value05000000.0
Percentage of Excesscoveragelayer0.0100.0

knx:Excessofexcesscoveragelayer

knx:Excessofexcesscoveragelayer


Excessofexcesscoveragelayer
Period End2021-06-302021-03-31
Value05000000.0
Percentage of Excessofexcesscoveragelayer0.0100.0

knx:IncreaseDecreaseinAccruedLiabilitiesandOtherLiabilities

knx:IncreaseDecreaseinAccruedLiabilitiesandOtherLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-64.46370-18.2846218-93.1939.8246.167-31.1614-8.9330.829-22.4081612147.0522.0033.209
Percentage of IncreaseDecreaseinAccruedLiabilitiesandOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:InsuranceAggregateDeductibleAmount dei:LegalEntity

knx:InsuranceAggregateDeductibleAmount

knx:KnightTransportationCompany


Insurance
Period End2021-06-302021-03-31
Value02500000.0
Percentage of InsuranceAggregateDeductibleAmount0.0100.0

knx:PercentagesOfForeignOperationsConsolidatedRevenue

knx:PercentagesOfForeignOperationsConsolidatedRevenue


Percentages
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5.05.005.00.050.0500.050.050.0500.050.050.0500.050.050.0500.05
Percentage of PercentagesOfForeignOperationsConsolidatedRevenue100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0

knx:PromissoryNoteInterestRate

knx:PromissoryNoteInterestRate


Promissory
Period End2021-04-16
Value10.0
Percentage of PromissoryNoteInterestRate100.0

knx:PromissoryNoteInterestRate us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Promissory
Period End2021-04-16
Value10.0
Percentage of PromissoryNoteInterestRate100.0

knx:PurchasedTransportation

knx:PurchasedTransportation


Purchased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value30425826624520022525425126126932832933532434912758586557
Percentage of PurchasedTransportation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:RightOfUseAssetForfeitedObtainedInExchangeForOperatingLeaseLiability

knx:RightOfUseAssetForfeitedObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-03-312020-03-31
Value-2608000.01704000.0
Percentage of RightOfUseAssetForfeitedObtainedInExchangeForOperatingLeaseLiability100.0100.0

us-gaap:AdjustmentForAmortization

us-gaap:AdjustmentForAmortization


Adjustment
Period End2021-06-302021-03-312020-12-31
Value-1000.0-2000.0-3000.0
Percentage of AdjustmentForAmortization100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3788000.04159000.02000.08000.02529000.01971000.026000.00790000.01514000.0021000.0411000.02118000.01494000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3788000.04159000.02000.08000.02529000.01971000.026000.00790000.01514000.0021000.0411000.02118000.01494000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3788000.04159000.02000.08000.02529000.01971000.026000.00790000.01514000.0021000.0411000.02118000.01494000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:AmortizationOfLeasedAsset

us-gaap:AmortizationOfLeasedAsset


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111516172224233731270.00.00.00.0
Percentage of AmortizationOfLeasedAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-31
Value4.080.00.3530.9021.3040.02.1820.02.7980.00.098160.8070.00.00.00.00.00.01.480.02.3080.00.00.00.08.3010.00.01.065
Percentage of AssetImpairmentCharges100.00.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.00.00.00.00.00.00.0100.00.0100.00.00.00.00.0100.00.00.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:BusinessCombinationConsiderationTransferred1


Business
Period End2020-10-012020-01-01
Value3966
Percentage of BusinessCombinationConsiderationTransferred1100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 dei:LegalEntity, us-gaap:SubsequentEventType

knx:Otherentity, us-gaap:SubsequentEvent


Business
Period End2021-02-01
Value41
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

knx:Eleos


Business
Period End2021-06-302021-02-01
Value4141
Percentage of BusinessCombinationConsiderationTransferred10.00.0

knx:UTXL


Business
Period End2021-06-01
Value37
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

knx:Eleos, knx:EscrowForSellersIndemnificationObligations


Business
Period End2021-02-01
Value4.1
Percentage of BusinessCombinationConsiderationTransferred10.0

knx:UTXL, knx:Cashpaidforacquisition


Business
Period End2021-06-01
Value32
Percentage of BusinessCombinationConsiderationTransferred10.0

knx:UTXL, knx:EscrowForSellersIndemnificationObligations


Business
Period End2021-06-01
Value2.25
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType

knx:Cashpaidforacquisition, us-gaap:SubsequentEvent


Business
Period End2021-07-05
Value1300
Percentage of BusinessCombinationConsiderationTransferred10.0

knx:EquityTransferredInAcquisition, us-gaap:SubsequentEvent


Business
Period End2021-07-05
Value10.0
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:Restatement

srt:RestatementAdjustment


Business
Period End2021-03-312020-09-30
Value-0.410.0
Percentage of BusinessCombinationConsiderationTransferred10.00.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Business
Period End2021-07-05
Value1310
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred us-gaap:SubsequentEventType

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

us-gaap:SubsequentEvent


Business
Period End2021-07-05
Value36
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1


Business
Period End2020-12-312020-09-302020-06-302020-03-31
Value-2.0450.0-0.40918
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1100.00.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 us-gaap:BusinessAcquisition

knx:WarehousingCo


Business
Period End2020-12-31
Value6.7
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1-327.6

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-5.79713-44.77917-16.62144-40.603-2.74-3.48153-39.96219266.604-8.196-0.285124.543-18.71263.1660.593-11.3542.81-50.82359-4.54820-39.95159-31.65911-4.47532-4.9492.81-2.3718-5.5792.006-3.8949.84-19.7059.488
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.10.080.080.080.080.080.060.060.060.060.060.060.060.060.060.060.060.060.060.06
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommunicationsInformationTechnologyAndOccupancy

us-gaap:CommunicationsInformationTechnologyAndOccupancy


Communications
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4.6355.0374.7515.0694.9024.8744.5644.9134.965.0835.1285.0415.455.2926.5661.9218.1458.5037.7467.136.9476.98.4728.2367.3997.4997.6647.3217.7167.176.4486.6795.4336.0926.2266.1545.9756.2466.3856.8196.3356.466.0656.4086.132
Percentage of CommunicationsInformationTechnologyAndOccupancy100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtAndEquitySecuritiesGainLoss us-gaap:FairValueByMeasurementFrequency

us-gaap:DebtAndEquitySecuritiesGainLoss

us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-30
Value-1500000.0
Percentage of DebtAndEquitySecuritiesGainLoss100.0

us-gaap:DebtAndEquitySecuritiesRealizedGainLoss us-gaap:FairValueByMeasurementFrequency

us-gaap:DebtAndEquitySecuritiesRealizedGainLoss

us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-30
Value800000.0
Percentage of DebtAndEquitySecuritiesRealizedGainLoss100.0

us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss us-gaap:FairValueByMeasurementFrequency

us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss

us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-302020-06-30
Value-2300000.07600000.0
Percentage of DebtAndEquitySecuritiesUnrealizedGainLoss100.0100.0

us-gaap:DebtInstrumentCollateralFee

us-gaap:DebtInstrumentCollateralFee


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value800000.0700000.0700000.0700000.0700000.01400000.01600000.01800000.01900000.02000000.02100000.02000000.02000000.02000000.01800000.0400000.0
Percentage of DebtInstrumentCollateralFee100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentInterestRateDuringPeriod us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateDuringPeriod

knx:A2017AgreementCreditFacility


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.0260.02770.034480.02687
Percentage of DebtInstrumentInterestRateDuringPeriod100.0100.0100.0100.0

knx:A2017AgreementTermLoan


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.2770.027920.035220.02694
Percentage of DebtInstrumentInterestRateDuringPeriod124.5100.8102.1100.3

us-gaap:DebtInstrumentInterestRateDuringPeriod us-gaap:FinancialInstrument

knx:A2018RSA


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.01.01.00.0110.0240.0260.0290.0330.0340.0320.03
Percentage of DebtInstrumentInterestRateDuringPeriod0.097.50.00.00.093.90.00.00.092.80.0

knx:A2021RSA


Debt
Period End2021-06-30
Value0.9
Percentage of DebtInstrumentInterestRateDuringPeriod0.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value1231191151141101061021009795934329
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Depreciationus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value14141413121112121312132.890.0
Percentage of Depreciation11.511.712.111.511.811.212.312.813.513.414.86.60.0

us-gaap:OperatingSegments


Depreciationus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value109105101101979490888482794029
Percentage of Depreciation88.588.387.988.588.288.887.787.286.586.685.293.4100.0

us-gaap:Depreciation us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, knx:Intermodal


Depreciationus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3.943.8183.5643.6063.4883.3553.3033.363.0292.9452.773
Percentage of Depreciation3.23.23.13.13.23.13.23.33.13.13.0

us-gaap:OperatingSegments, knx:Logistics


Depreciationus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value0.2890.2080.2140.2070.2070.1850.1590.1551.0811.260.1241.2451.331
Percentage of Depreciation0.20.20.20.20.20.20.20.21.11.30.12.94.6

us-gaap:OperatingSegments, knx:Trucking


Depreciationus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value1051019797939186843030772727
Percentage of Depreciation85.185.084.685.184.985.584.483.731.731.882.163.495.4

us-gaap:DirectOperatingMaintenanceSuppliesCosts

us-gaap:DirectOperatingMaintenanceSuppliesCosts


Direct
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value716869666885827987888537202019
Percentage of DirectOperatingMaintenanceSuppliesCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectTaxesAndLicensesCosts

us-gaap:DirectTaxesAndLicensesCosts


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2122222120222420212122212223228.7934.615
Percentage of DirectTaxesAndLicensesCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:FairValueMeasurementsRecurring


Fair
Period End2020-12-31
Value6700000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings100.0

us-gaap:FairValueOptionChangesInFairValueGainLoss1 us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueOptionChangesInFairValueGainLoss1

us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-2.26510-3.1844.4237.593-5.279
Percentage of FairValueOptionChangesInFairValueGainLoss1100.0100.0100.0100.0100.0100.0

us-gaap:FuelCosts

us-gaap:FuelCosts


Fuel
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value126118103104861211441481511381511621621441436294949290877490103116106133149153156150160144151152151145153153159168150130116115
Percentage of FuelCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value15103.2381.7441.7193.0055.0278.6417.481119.379118.7167.0966.4740.827
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment us-gaap:LongLivedAssetsHeldForSaleByAssetType

us-gaap:Equipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value15103.21.71.73.05.08.67.5119.4119.17.16.40.80.80.8
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.399.698.897.598.999.899.599.5100.3100.1100.299.6104.4100.198.996.70.00.0

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillAcquiredDuringPeriod


Goodwill
Period End2021-03-312020-03-312019-03-312018-03-31
Value354.3930.04822
Percentage of GoodwillAcquiredDuringPeriod100.0100.0100.0100.0

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse us-gaap:FairValueByMeasurementFrequency, us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByType

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse

us-gaap:FairValueMeasurementsNonrecurring, us-gaap:Equipment


Impairment
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value5335000.04080000.00400000.0902000.0
Percentage of ImpairmentOfLongLivedAssetsHeldForUse100.0100.00.0100.0100.0

us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf us-gaap:LongLivedAssetsHeldForSaleByAssetType

us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf

us-gaap:Equipment


Impairment
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.10.00.40.10.40.00.00.00.00.00.00.00.00.0
Percentage of ImpairmentOfLongLivedAssetsToBeDisposedOf100.00.0100.0100.0100.00.00.00.00.00.00.00.00.00.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value5811466.1725.268-43.37511-62.3622613-22.28520-0.3-14.6
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-9.37918-13.649-9.453-7.782-15.332.371-23.583-19.1229.603-14.424-41.487-16.88110296-20.4741019107.431134.473-34.582-4.53
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value29-2.872-5.4552.456-6.744-4.38-25.5127.08734-5.544-34.293113.195-28.27315209.017-6.143-0.439
Percentage of IncreaseDecreaseInIncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-13137000.0-15174000.0-17342000.0-18090000.0-22829000.0-25414000.0-24060000.0-37932000.0-32342000.0-27403000.00000
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants

us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1008000.0896000.060000.0823000.0676000.0665000.0-82000.0786000.0646000.0637000.04000.0901000.0947000.01081000.0171000.0906000.0963000.0942000.0-250000.01532000.01212000.01136000.0-53000.01331000.01672000.01756000.0-12000.01765000.02085000.02037000.0104000.01988000.01849000.01573000.0-18000.011000.0118000.0883000.0-162000.05000.01237000.0
Percentage of IncrementalCommonSharesAttributableToCallOptionsAndWarrants100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value270000.0294000.0333000.0326000.0437000.0832000.0834000.01007000.0977000.01016000.01009000.0889000.0730000.0572000.0648000.0370000.0581000.0488000.0623000.0624000.0636000.0751000.0701000.0647000.0591000.0587000.0674000.0777000.0692000.0766000.0733000.0604000.0517000.0573000.0595000.0667000.0439000.0397000.0400000.0562000.0471000.0467000.0579000.0297000.0283000.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value377370386376365354354375380363380381371361371154284283279293287288290283276261263240238229233220202206205199198200194197202195211187186
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseAndRentalExpense

us-gaap:LeaseAndRentalExpense


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value13161919222525283235394752151.2281.3231.27961595651504630292928262320231917181919
Percentage of LeaseAndRentalExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination


Noncontrolling
Period End2021-06-302021-03-31
Value0.010
Percentage of NoncontrollingInterestIncreaseFromBusinessCombination0.0100.0

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302021-03-31
Value0.010
Percentage of NoncontrollingInterestIncreaseFromBusinessCombination0.0100.0

us-gaap:OperatingInsuranceAndClaimsCostsProduction

us-gaap:OperatingInsuranceAndClaimsCostsProduction


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
Value585548454554484648505052535957215250514745474052424445373342413529272525263023212722142229
Percentage of OperatingInsuranceAndClaimsCostsProduction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value111426292023451734121713131619113.5716.3317.6944.261
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-15869000.06522000.0-19169000.0-5284000.0-5164000.0-14065000.0-27715000.01277000.0-480000.02762000.0-3687000.0-1590000.0308000.0352000.0-7704000.0-3169000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.9685.375-17.8763.197144.78212-16.35912-12.7781.307-9.4452.323-2.992.357-9.362
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherSignificantNoncashTransactionValueOfConsiderationGiven1 us-gaap:OtherSignificantNoncashTransactionsByUniqueDescription

us-gaap:OtherSignificantNoncashTransactionValueOfConsiderationGiven1

knx:Financingprovidedtoindependentcontractorsforequipmentsold


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.3140.4621.0691.8060.8831.670.7231.3610.9832.221-3.1341.7921.9781.1061.5150.629
Percentage of OtherSignificantNoncashTransactionValueOfConsiderationGiven1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:NoncontrollingInterestAssociatedWithAcquisition


Other
Period End2021-06-302021-03-31
Value0.010
Percentage of OtherSignificantNoncashTransactionValueOfConsiderationGiven10.02225.3

knx:Transfersfrompropertyandequipmenttoassetsheldforsale


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value21291521221523483926443926221811
Percentage of OtherSignificantNoncashTransactionValueOfConsiderationGiven16801.06483.81473.21205.12547.1915.43233.73581.73978.51177.6-1432.42217.51334.82025.71243.31790.1

us-gaap:PaymentForContingentConsiderationLiabilityOperatingActivities us-gaap:BusinessAcquisition

us-gaap:PaymentForContingentConsiderationLiabilityOperatingActivities

knx:WarehousingCo


Payment
Period End2020-12-31
Value8100000.0
Percentage of PaymentForContingentConsiderationLiabilityOperatingActivities100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302012-12-312012-09-302012-06-302012-03-31
Value-2.942-9.39833-0.8376.9642.7932.829-1.666.04-2.925-0.011-0.826-4.923-4.325-2.297-1.4140.00.00.00.00.00.5
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-12-312013-12-312012-12-31
Value24390.00.00.0460.01.8850.00.00.00.00.1241010.0-91.960.00.00.02.480.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.00.00.00.0100.00.0100.00.00.00.00.0100.0100.00.0100.00.00.00.0100.00.0

us-gaap:PaymentsToAcquireMachineryAndEquipment

us-gaap:PaymentsToAcquireMachineryAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value136111142119150109194312217105
Percentage of PaymentsToAcquireMachineryAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToAcquireOtherProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.3640.4010.00.0650.0660.3521.5786.5543.694.2714.8965.929136.4740.8330.72
Percentage of PaymentsToAcquireOtherProductiveAssets100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireRestrictedInvestments

us-gaap:PaymentsToAcquireRestrictedInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2.0430.5124.2924.7923.5514.3012.8925.5633.2762.5713.2231.479125.4227.878-9.6087.625.0036.324106.5686.4299.227.8856.8098.016-0.498-0.477-0.0510.1641.639-2.78-2.3937.0734.0593.6043.52611
Percentage of PaymentsToAcquireRestrictedInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromAccountsReceivableSecuritization

us-gaap:ProceedsFromAccountsReceivableSecuritization


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value12490.00.00.06065253520150.020-40.035255.00.01000.010.0401510.0195.0950.04.0100245644378589997864229638
Percentage of ProceedsFromAccountsReceivableSecuritization100.0100.00.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-09-30
Value-4489000.0-4190000.0-7995000.0-55000.0-3417000.0-2050000.0-245000.0-139000.0-938000.0-1662000.0-1001000.0-669000.0-682000.0-2919000.01260000.0-6949000.00-5678000.03293000.02385000.085000.0-1132000.0-26000.0152000.0-97000.0-112000.0114000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForTradingSecurities

us-gaap:ProceedsFromPaymentsForTradingSecurities


Proceeds
Period End2021-03-31
Value6400000.0
Percentage of ProceedsFromPaymentsForTradingSecurities100.0

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-60.0-95.040-65.0-59.015-11.020210-135.0-40.011565-70.00.0112-10.0-120.080-35.0-115.00.00.02000.0-57.0-25.0-17.099-17.0-45.052-0.0947.407-11.34
Percentage of ProceedsFromRepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities

us-gaap:ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value2.350.54.2752.452.64.354.05.754.638.3156.3452.407125.5327.895-10.348.3854.796.4106.9036.3869.052.996.785144.265.881109.5
Percentage of ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value596730383033827447567551494953-27.19429271724373439293313163948284340259.939293223332030105.887.99115
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockPlans

us-gaap:ProceedsFromStockPlans


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.5932.7091.1161.746.6353.2572.6865.2582.4222.9411.1781.4356.4734.4613.7572.8315.0071.8888.3392.4492.271.4110.52.352
Percentage of ProceedsFromStockPlans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty us-gaap:RelatedPartyTransaction

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty

knx:FacilityandEquipmentLeases


Related
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value88000.057000.0129000.0129000.0165000.092000.092000.093000.092000.093000.092000.000
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

knx:OtherServices


Related
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value9000.09000.02000.019000.012000.0650000.0668000.0662000.0701000.0751000.0603000.000
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty10.215.81.614.77.3706.5726.1711.8762.0807.5655.40.00.0

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

knx:FacilityandEquipmentLeases, knx:CentralFreightLinesInc.


Related
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value92000.093000.092000.092000.092000.093000.092000.093000.092000.000
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty71.372.155.8100.0100.0100.0100.0100.0100.00.00.0

knx:FacilityandEquipmentLeases, us-gaap:OtherAffiliates


Related
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value88000.057000.037000.036000.073000.000000000
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty100.0100.028.727.944.20.00.00.00.00.00.00.00.0

knx:OtherServices, knx:DPFMobile


Related
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2000.019000.012000.050000.054000.044000.0
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty1.614.77.354.358.747.3

knx:OtherServices, us-gaap:OtherAffiliates


Related
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value9000.09000.000650000.0668000.0662000.0701000.0751000.0603000.000
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty10.215.80.00.0706.5726.1711.8762.0807.5655.40.00.0

us-gaap:RepaymentsOfAccountsReceivableSecuritization

us-gaap:RepaymentsOfAccountsReceivableSecuritization


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.0150.01215250.00.09590300.080250.0-45.0450.0250.0250.0355445500.09.0355.00.05.06356443645106997424576435
Percentage of RepaymentsOfAccountsReceivableSecuritization0.0100.00.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfDebt us-gaap:SubsequentEventType

us-gaap:RepaymentsOfDebt

us-gaap:SubsequentEvent


Repayments
Period End2020-10-02
Value65
Percentage of RepaymentsOfDebt100.0

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value436.6872917142652288.3917.321218.2879.084493594647115186150259052919452646604636842590714310070171016.107817.1676.91
Percentage of RepaymentsOfDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransaction

us-gaap:RevenueFromRelatedParties

knx:FacilityandEquipmentLeases


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.0270.0270.0050.0050.0830.2480.2260.2320.2470.00.00.0
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

knx:FreightServices


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.0291.0486.8165.9366.8843.9053.2710.3290.1760.1980.6760.4360.00.00.0
Percentage of RevenueFromRelatedParties0.0107.43881.5136320.00.0137680.04704.81319.00.077.985.3273.70.00.00.00.0

knx:OtherServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0070.006-0.0170.4250.010.0240.4830.8260.5540.010.0080.0090.0180.5540.8320.7810.6280.578
Percentage of RevenueFromRelatedParties0.00.00.01574.137.0480.00.016520.0667.54.00.04.07.8224.30.00.00.00.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

knx:FacilityandEquipmentLeases, knx:CentralFreightLinesInc.


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.0250.0230.00.00.0780.2440.2220.2270.2410.00.00.0
Percentage of RevenueFromRelatedParties92.685.20.00.094.098.498.297.897.60.00.00.0

knx:FacilityandEquipmentLeases, us-gaap:OtherAffiliates


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.0020.0040.0050.0050.0050.0040.0040.0050.0060.00.00.0
Percentage of RevenueFromRelatedParties7.414.8100.0100.06.01.61.82.22.40.00.00.0

knx:FreightServices, knx:CentralFreightLinesInc.


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.0011.026.8166.833.8433.1160.00.00.4270.00.00.0
Percentage of RevenueFromRelatedParties3.73777.8136320.0136600.04630.11256.50.00.0172.90.00.00.0

knx:FreightServices, knx:SMEIndustries


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.0280.0280.00.0740.0540.0620.1550.0750.1760.1980.2490.2750.00.00.0
Percentage of RevenueFromRelatedParties0.0103.7103.70.00.01080.074.762.50.077.985.3100.80.00.00.00.0

knx:OtherServices, knx:CentralFreightLinesInc.


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value0.4120.00.0150.8170.5420.00.00.0
Percentage of RevenueFromRelatedParties1525.90.0300.016340.0653.00.00.00.0

knx:OtherServices, us-gaap:OtherAffiliates


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.0070.0060.0130.010.0090.0090.0090.0090.0090.0090.0090.0090.0090.009
Percentage of RevenueFromRelatedParties0.00.048.137.0180.0180.010.83.64.03.93.60.00.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability


Right
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value681936121.12223320.00.00.0
Percentage of RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability us-gaap:OtherSignificantNoncashTransactionsByUniqueDescription

knx:PropertyAndEquipmentObtainedInExchangeForFinanceLeaseLiabilitiesFromOperatingLeaseLiabilities


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value14280.01836121.122
Percentage of RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability0.00.00.094.2100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
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
Value100.238-0.0711.7040.5180.6420.767.8830.00.00.00.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability us-gaap:BusinessAcquisition

knx:Eleos


Right
Period End2021-06-302021-03-31
Value0.00.56
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability0.00.0

knx:WarehousingCo


Right
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.0120.00.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability0.00.0-0.0725.10.00.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

us-gaap:CommonClassA


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value13000.018000.014000.017000.016000.019000.018000.024000.015000.09000.09000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonClassA


Stock
Period End2021-06-302020-09-302020-06-302019-09-302019-06-302018-09-302018-06-30
Value12000.0013000.0019000.0019000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues100.00.0100.00.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonClassA


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value198000.0220000.042000.0356000.0211000.0176000.0149000.0198000.044000.0313000.0285000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-03-31
Value631000.0700000.0583000.0574000.0517000.0546000.0581000.0588000.0563000.0566000.0515000.0531000.0406000.0371000.0285000.0305000.0277000.0324000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value631000.0700000.0583000.0574000.0517000.0546000.0581000.0588000.0562000.0566000.0515000.0530000.0406000.0371000.0285000.0305000.0276000.0302000.0329000.0324000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0100.099.8100.0100.099.8100.0100.0100.0100.099.60.00.0100.0

us-gaap:Parent


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
Value631000.0700000.0583000.0574000.0517000.0546000.0581000.0588000.0563000.0566000.0515000.0531000.0406000.0371000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.3872.0090.5331.1665.6032.7112.1054.671.3282.3750.6630.9045.2934.093.4323.4214.7221.5838.0621.0870.1742.0432.3442.392
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value0.0020.0030.0010.0030.0020.0020.0010.0020.00.0030.003-0.0030.0070.0020.002
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.10.10.10.10.10.00.10.10.00.10.1-0.10.10.10.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.3852.0060.5331.1655.62.7092.1034.6681.3272.3730.6630.9045.294.0873.4313.4244.7151.5818.0552.1451.9371.0850.1742.0412.3412.389
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation99.999.9100.099.999.999.999.9100.099.999.9100.0100.099.999.9100.0100.199.999.999.90.00.099.8100.099.999.999.9

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1.3872.0090.5331.1665.6032.7112.1054.671.3282.3750.6630.9045.2934.093.432
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares


Stock
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1303000.0001139000.0002874000.002816000.03076000.0090000.01341000.02828000.03124000.04176000.0000
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.00.00.0100.00.00.0100.00.0100.0100.00.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:ShareRepurchaseProgram

knx:KnightSwiftShareRepurchasePlanMay312019


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value001139000.000559000.000
Percentage of StockRepurchasedAndRetiredDuringPeriodShares0.00.0100.00.00.019.50.00.0

knx:KnightSwiftShareRepurchasePlanNovember242020


Stock
Period End2021-06-302021-03-31
Value01303000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodShares0.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302016-09-30
Value01303000.0001139000.002874000.02816000.03076000.01341100.0
Percentage of StockRepurchasedAndRetiredDuringPeriodShares0.0100.00.00.0100.00.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Stock
Period End2021-02-232020-11-022018-11-062018-08-06
Value1200000.01100000.01100000.02000000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodShares0.00.00.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.0531440.00.0340.00.086791000.00.02.119254545700.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.0100.0100.00.00.0100.00.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:ShareRepurchaseProgram

knx:KnightSwiftShareRepurchasePlanMay312019


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value1440.00.0340.00.0160.00.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.00.00.0100.00.00.018.90.00.0

knx:KnightSwiftShareRepurchasePlanNovember242020


Stock
Period End2021-06-302021-03-31
Value0.053
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302016-09-30
Value0.00.0130.00.00.0110.00.0290.0280.0310.013
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.00.00.00.00.00.00.00.00.00.1

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value0.0531440.00.0340.00.08679100
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.0100.0100.00.00.0100.00.00.0100.0100.0100.0

us-gaap:RetainedEarnings


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302016-12-312016-09-302016-06-302016-03-31
Value0.0531440.00.0340.00.08679991.181111512
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.0100.0100.00.00.0100.00.00.0100.0100.0100.055.744.434.827.8

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Stock
Period End2021-02-232020-11-022018-11-06
Value504333
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.00.00.0

us-gaap:TradingSecuritiesRealizedGain

us-gaap:TradingSecuritiesRealizedGain


Trading
Period End2021-03-31
Value3500000.0
Percentage of TradingSecuritiesRealizedGain100.0

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions

us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions


Unrecognized
Period End2020-12-312020-09-30
Value133000.01000000.0
Percentage of UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions100.0100.0

knx:AccountsReceivableSecuritizationOutstandingBorrowingAmount us-gaap:FinancialInstrument

knx:AccountsReceivableSecuritizationOutstandingBorrowingAmount

knx:A2018RSA


Accounts
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value199214202165180205205145175240235
Percentage of AccountsReceivableSecuritizationOutstandingBorrowingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:A2021RSA


Accounts
Period End2021-06-30
Value279
Percentage of AccountsReceivableSecuritizationOutstandingBorrowingAmount0.0

knx:AccruedPayrollandPurchasedTransportation

knx:AccruedPayrollandPurchasedTransportation


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1911821601541091121101161121181261321261171078625
Percentage of AccruedPayrollandPurchasedTransportation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:AccruedPurchasedTransportation

knx:AccruedPurchasedTransportation


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4639584817
Percentage of AccruedPurchasedTransportation100.0100.0100.0100.0100.0

knx:AdditionalAmountsCommittedToInvest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

knx:AdditionalAmountsCommittedToInvest

knx:TransportationResourcePartnersCapitalPartnersV


Additional
Period End2021-06-30
Value10000000.0
Percentage of AdditionalAmountsCommittedToInvest100.0

knx:AmountsCommittedToInvest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

knx:AmountsCommittedToInvest

knx:Embark


Amounts
Period End2021-06-30
Value25
Percentage of AmountsCommittedToInvest100.0

knx:TransportationResourcePartnersCapitalPartnersV


Amounts
Period End2021-06-302021-03-312020-09-30
Value3010.020
Percentage of AmountsCommittedToInvest120.00.00.0

knx:TransportationResourcePartnersCoinvestPartnersVPW


Amounts
Period End2020-12-31
Value4.0
Percentage of AmountsCommittedToInvest0.0

knx:TransportationResourcePartnersV


Amounts
Period End2020-12-31
Value20
Percentage of AmountsCommittedToInvest0.0

knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedClaimsAccrualsCurrent us-gaap:BusinessAcquisition

knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedClaimsAccrualsCurrent

knx:UTXL


Business
Period End2021-06-01
Value418000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedClaimsAccrualsCurrent100.0

knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPayrollAndPayrollRelatedExpenses us-gaap:BusinessAcquisition

knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPayrollAndPayrollRelatedExpenses

knx:UTXL


Business
Period End2021-06-01
Value247000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPayrollAndPayrollRelatedExpenses100.0

knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeReceivablesAndOtherCurrentAssets us-gaap:BusinessAcquisition

knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeReceivablesAndOtherCurrentAssets

knx:UTXL


Business
Period End2021-06-01
Value9451000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeReceivablesAndOtherCurrentAssets100.0

knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOperatingLeaseLiabilitiesCurrent us-gaap:BusinessAcquisition

knx:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOperatingLeaseLiabilitiesCurrent

knx:UTXL


Business
Period End2021-06-01
Value69000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOperatingLeaseLiabilitiesCurrent100.0

knx:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOperatingLeaseLiabilities

knx:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOperatingLeaseLiabilities


Deferred
Period End2020-12-312019-12-31
Value2944
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOperatingLeaseLiabilities100.0100.0

knx:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets

knx:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets


Deferred
Period End2020-12-312019-12-31
Value2841
Percentage of DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets100.0100.0

knx:ExcessPersonalInjuryAndPropertyDamageLiabilityInsurance dei:LegalEntity, us-gaap:ShortdurationInsuranceContractsAccidentYear

knx:ExcessPersonalInjuryAndPropertyDamageLiabilityInsurance

knx:KnightTransportationCompany, knx:PolicyPeriodMarch12017toMarch12018


Excess
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.01.01.01.0130130130130130130
Percentage of ExcessPersonalInjuryAndPropertyDamageLiabilityInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:KnightTransportationCompany, knx:PolicyPeriodMarch12018toMarch12019


Excess
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
Value1.02.02.02.02.0130130130130130130130
Percentage of ExcessPersonalInjuryAndPropertyDamageLiabilityInsurance0.0200.0200.0200.0200.0100.0100.0100.00.0100.0100.0100.0

knx:Longlivedassetsofforeignoperations

knx:Longlivedassetsofforeignoperations


Longlivedassetsofforeignoperations
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value5.05.05.05.00.050.050.050.050.050.050.050.050.050.050.050.05
Percentage of Longlivedassetsofforeignoperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:OwnershippercentageTRPcostmethodinvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

knx:OwnershippercentageTRPcostmethodinvestments

knx:TransportationResourcePartnersIV


Ownershippercentage
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value3.60.0440.0410.0420.041
Percentage of OwnershippercentageTRPcostmethodinvestments100.0100.0100.0100.0100.0

knx:Percentageofacquiredbusinessassets us-gaap:BusinessAcquisition

knx:Percentageofacquiredbusinessassets

knx:Abilene


Percentageofacquiredbusinessassetsus-gaap:
Period End2020-12-312019-12-31
Value1.81.6
Percentage of Percentageofacquiredbusinessassets100.0100.0

knx:ReceivablesSalesAgreementBorrowingCapacity us-gaap:FinancialInstrument

knx:ReceivablesSalesAgreementBorrowingCapacity

knx:A2021RSA


Receivables
Period End2021-04-23
Value400
Percentage of ReceivablesSalesAgreementBorrowingCapacity100.0

knx:ReceivablesSalesAgreementBorrowingCapacity us-gaap:FinancialInstrument, us-gaap:SubsequentEventType

knx:A2021RSA, us-gaap:SubsequentEvent


Receivables
Period End2021-04-23
Value400
Percentage of ReceivablesSalesAgreementBorrowingCapacity100.0

knx:RemainingInvestmentCommitment us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

knx:RemainingInvestmentCommitment

knx:Embark


Remaining
Period End2021-06-30
Value25
Percentage of RemainingInvestmentCommitment100.0

knx:TransportationResourcePartnersCapitalPartnersV


Remaining
Period End2021-06-302021-03-312020-09-30
Value2610.016
Percentage of RemainingInvestmentCommitment105.20.00.0

knx:TransportationResourcePartnersIII


Remaining
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-30
Value1.7091.7151.7151.7491.7391.8
Percentage of RemainingInvestmentCommitment0.00.00.00.00.00.0

knx:TransportationResourcePartnersIV


Remaining
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-30
Value0.6920.752.0022.0742.0752.1
Percentage of RemainingInvestmentCommitment0.00.00.00.00.00.0

knx:TransportationResourcePartnersV


Remaining
Period End2020-12-31
Value16
Percentage of RemainingInvestmentCommitment0.0

knx:SelfRetentionForEmployeeMedicalHealth dei:LegalEntity

knx:SelfRetentionForEmployeeMedicalHealth

knx:KnightTransportationCompany


Self
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312017-09-302016-12-31
Value400000.0400000.0300000.0300000.0300000.0300000.0300000.0200000.0200000.0
Percentage of SelfRetentionForEmployeeMedicalHealth100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:ShopandServiceEquipment

knx:ShopandServiceEquipment


Shopand
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302016-12-31
Value29262223222216
Percentage of ShopandServiceEquipment100.0100.0100.0100.0100.0100.0100.0

knx:TotalTRPinvestmentcommitment us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

knx:TotalTRPinvestmentcommitment

knx:TransportationResourcePartnersCoinvestPartnersVPW


Total
Period End2020-12-31
Value22
Percentage of TotalTRPinvestmentcommitment100.0

knx:TransportationResourcePartnersIV


Total
Period End2020-12-312019-12-312018-12-312017-12-31
Value116116116116
Percentage of TotalTRPinvestmentcommitment527.60.00.00.0

knx:TransportationResourcePartnersV


Total
Period End2020-12-31
Value124
Percentage of TotalTRPinvestmentcommitment567.3

knx:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCurrentPortion

knx:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCurrentPortion


Transfers
Period End2021-03-312020-12-312020-09-30
Value198213201
Percentage of TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCurrentPortion100.0100.0100.0

knx:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCurrentPortion us-gaap:FinancialInstrument

knx:A2018RSA


Transfers
Period End2020-12-31
Value213
Percentage of TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCurrentPortion100.0

us-gaap:AccountsAndNotesReceivableNet

us-gaap:AccountsAndNotesReceivableNet


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value9.723141515183.607
Percentage of AccountsAndNotesReceivableNet100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableRelatedPartiesCurrent

us-gaap:AccountsPayableRelatedPartiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value20000.06000.051000.02000.07000.02000.019000.024000.09000.020000.018000.0000
Percentage of AccountsPayableRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:AccountsPayableRelatedPartiesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

knx:DPFMobile


Accounts
Period End2020-12-312020-06-302020-03-312019-12-31
Value41000.005000.02000.0
Percentage of AccountsPayableRelatedPartiesCurrent80.40.071.4100.0

srt:AffiliatedEntity


Accounts
Period End2020-12-31
Value10000.0
Percentage of AccountsPayableRelatedPartiesCurrent19.6

us-gaap:OtherAffiliates


Accounts
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value20000.06000.010000.02000.02000.0019000.024000.09000.020000.018000.00
Percentage of AccountsPayableRelatedPartiesCurrent100.0100.019.6100.028.60.0100.0100.0100.0100.0100.00.0

us-gaap:AccountsReceivableGross

us-gaap:AccountsReceivableGross


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value600536633589425440488425345330283
Percentage of AccountsReceivableGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGross us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

knx:EquipmentManufacturers


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5.685.1467.1666.0170.468
Percentage of AccountsReceivableGross0.91.01.11.00.1

knx:OtherAccountsReceivable


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2420281712
Percentage of AccountsReceivableGross4.03.74.62.93.0

us-gaap:TradeAccountsReceivable


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value570511597565404415457392324308266
Percentage of AccountsReceivableGross95.095.394.396.095.294.393.692.194.193.593.9

us-gaap:AccountsReceivableRelatedPartiesCurrent

us-gaap:AccountsReceivableRelatedPartiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1792000.07000.0135000.0236000.03326000.05703000.02889000.04999000.02983000.01879000.0278000.047000.083000.0199000.0292000.0
Percentage of AccountsReceivableRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableRelatedPartiesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

knx:CentralFreightLinesInc


Accounts
Period End2020-12-312019-12-31
Value133000.02872000.0
Percentage of AccountsReceivableRelatedPartiesCurrent98.599.4

knx:CentralFreightLinesInc.


Accounts
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value133000.0233000.03303000.05703000.02872000.04996000.02960000.01825000.0254000.012000.022000.0103000.0213000.0
Percentage of AccountsReceivableRelatedPartiesCurrent98.598.799.3100.099.499.999.297.191.425.526.551.872.9

knx:SMEIndustries


Accounts
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2000.022000.0017000.03000.023000.054000.024000.035000.061000.096000.079000.0
Percentage of AccountsReceivableRelatedPartiesCurrent0.80.70.00.60.10.82.98.674.573.548.227.1

srt:AffiliatedEntity


Accounts
Period End2020-12-31
Value2000.0
Percentage of AccountsReceivableRelatedPartiesCurrent1.5

us-gaap:OtherAffiliates


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1792000.07000.02000.01000.01000.000000000
Percentage of AccountsReceivableRelatedPartiesCurrent100.0100.01.50.40.00.00.00.00.00.00.00.00.0

us-gaap:AccrualForEnvironmentalLossContingenciesGross

us-gaap:AccrualForEnvironmentalLossContingenciesGross


Accrual
Period End2021-06-302021-03-31
Value500000.0700000.0
Percentage of AccrualForEnvironmentalLossContingenciesGross100.0100.0

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedEmployeeBenefitsCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value11470685851555056444237
Percentage of AccruedEmployeeBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedInsuranceCurrent

us-gaap:AccruedInsuranceCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value169174174174168158150146153155160165152154147147878680788584
Percentage of AccruedInsuranceCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedInsuranceCurrentAndNoncurrent

us-gaap:AccruedInsuranceCurrentAndNoncurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value349347361353246233
Percentage of AccruedInsuranceCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:AccruedInsuranceCurrentAndNoncurrent us-gaap:ProductOrService

knx:AutoAndCollisionLiability


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value23122422220421
Percentage of AccruedInsuranceCurrentAndNoncurrent66.364.661.457.88.7

knx:CargoDamageLiability


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.4942.8182.9984.0470.0
Percentage of AccruedInsuranceCurrentAndNoncurrent0.70.80.81.10.0

knx:GroupMedicalLiability


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value134.2793.6773.1832.514
Percentage of AccruedInsuranceCurrentAndNoncurrent3.91.21.00.91.0

knx:OwnerOperatorClaimsLiability


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7.1528.04412150.0
Percentage of AccruedInsuranceCurrentAndNoncurrent2.02.33.44.30.0

knx:WorkersCompensationLiability


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value941081201267.935
Percentage of AccruedInsuranceCurrentAndNoncurrent27.131.133.435.83.2

us-gaap:AccruedInsuranceNoncurrent

us-gaap:AccruedInsuranceNoncurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value168174174175186188196199196207201197213212206204173174165155160149
Percentage of AccruedInsuranceNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedProfessionalFeesCurrentAndNoncurrent

us-gaap:AccruedProfessionalFeesCurrentAndNoncurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value2012190121282.701
Percentage of AccruedProfessionalFeesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value22212220201918171755516141314140.0158110.002727
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent us-gaap:ValuationAllowancesAndReservesType

us-gaap:AllowanceForCreditLoss


Allowance
Period End2020-12-312019-12-312018-12-312017-12-31
Value22181614
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value19221821179.8438.7224.783
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value19221821179.8438.7224.7830.00.0
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation us-gaap:LongLivedAssetsHeldForSaleByAssetType

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:Equipment


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value172029383938415743324048363025
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value172029383937415743323948363025241.6525.3336.969117.5619.6929.084118.0493.4382.90719
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent us-gaap:LongLivedAssetsHeldForSaleByAssetType

us-gaap:Equipment


Assets
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value294140256.6818.7962.6194.641
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.1100.0100.1100.295.996.890.124.1

us-gaap:BuildingsAndImprovementsGross

us-gaap:BuildingsAndImprovementsGross


Buildings
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value458406375356357357288283281278276271269270263273268267262256248254237235234234231230229228227224
Percentage of BuildingsAndImprovementsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired


Business
Period End2020-10-012020-01-01
Value21.01.0
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired100.0100.0

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired dei:LegalEntity, us-gaap:SubsequentEventType

knx:Otherentity, us-gaap:SubsequentEvent


Business
Period End2021-02-01
Value79.4
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired0.0

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired us-gaap:BusinessAcquisition

knx:Eleos


Business
Period End2021-02-01
Value79.44
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired0.0

knx:UTXL


Business
Period End2021-06-01
Value100.0
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired0.0

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

knx:ACT, us-gaap:SubsequentEvent


Business
Period End2021-07-05
Value100.0
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired0.0

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiability


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-01-012019-12-31
Value2116161717180.0
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.00.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition

knx:WarehousingCo


Business
Period End2021-06-302020-12-312020-01-01
Value161618
Percentage of BusinessCombinationContingentConsiderationLiability76.4100.097.9

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

knx:UTXL, knx:Contingentconsiderationtotalpayment


Business
Period End2021-06-01
Value5.0
Percentage of BusinessCombinationContingentConsiderationLiability0.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2116161717
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2116161717
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, knx:WarehousingCo


Business
Period End2021-03-312020-12-312020-01-01
Value16160.4
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.02.1

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent

knx:UTXL, knx:Contingentconsiderationannualpayment


Business
Period End2021-06-01
Value2500000.0
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

knx:UTXL


Business
Period End2021-06-01
Value39
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

knx:UTXL


Business
Period End2021-06-01
Value8.206
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

knx:UTXL


Business
Period End2021-06-01
Value14
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets

knx:UTXL


Business
Period End2021-06-01
Value2600000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

knx:UTXL


Business
Period End2021-06-01
Value22
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

knx:UTXL, us-gaap:CustomerRelationships


Business
Period End2021-06-01
Value19
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

knx:UTXL, us-gaap:EmploymentContracts


Business
Period End2021-06-01
Value0.3
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles1.6

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

knx:UTXL


Business
Period End2021-06-01
Value14
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

knx:UTXL


Business
Period End2021-06-01
Value0.054
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

us-gaap:CommonStockValueOutstanding

us-gaap:CommonStockValueOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value1657000.01655000.01665000.01702000.01701000.01698000.01707000.01705000.01703000.01730000.01728000.01756000.01786000.01783000.01780000.0842000.0835000.0833000.0826000.0837000.0878000.0
Percentage of CommonStockValueOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-01
Value202014201413121720201523191717
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:FinancialInstrument

us-gaap:DebtInstrumentFairValue

knx:A2018RSA


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value199214202165180205205145175240
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:A2021RSA


Debt
Period End2021-06-30
Value279
Percentage of DebtInstrumentFairValue0.0

us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount us-gaap:FinancialInstrument

us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount

knx:A2018RSA


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2.91921153927234.15969351416
Percentage of DebtInstrumentUnusedBorrowingCapacityAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:A2021RSA


Debt
Period End2021-06-30
Value55
Percentage of DebtInstrumentUnusedBorrowingCapacityAmount0.0

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsNet

knx:A2017AgreementTermLoan, us-gaap:LoansPayable


Deferred
Period End2020-12-31
Value1.1
Percentage of DeferredFinanceCostsNet100.0

us-gaap:DeferredFinanceCostsNet us-gaap:FinancialInstrument

knx:A2017AgreementTermLoan


Deferred
Period End2020-12-31
Value1.1
Percentage of DeferredFinanceCostsNet100.0

knx:A2017TermLoan


Deferred
Period End2021-06-302021-03-312020-12-31
Value0.80.91.1
Percentage of DeferredFinanceCostsNet0.00.0100.0

knx:A2018RSA


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.0430.10.10.20.20.20.30.30.40.40.4
Percentage of DeferredFinanceCostsNet0.09.10.00.00.00.00.00.00.00.00.0

knx:A2021RSA


Deferred
Period End2021-06-30
Value0.6
Percentage of DeferredFinanceCostsNet0.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value968907869807545569543
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value152135130128117105105102166198251
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value108.5958.7597.2278.94181617125.7893.612
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value7712000.05769000.05325000.04717000.06397000.08923000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value17322737151.773
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.7275.4785.3335.1178.036119.5616.9687.8434.6194.048
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value81807970736661
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value334345354365106110115119122131137
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6857000.00374000.02243000.01324000.04451000.05345000.07354000.04987000.02907000.06602000.0
Percentage of DeferredTaxLiabilitiesOther100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value12111010131413
Percentage of DeferredTaxLiabilitiesPrepaidExpenses100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value586550503429420434401393363362360
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value5640322427
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

knx:LiabilityAward


Employee
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value3.1815.7573.0673.0963.169
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized5.614.19.412.511.5

knx:PerformanceSharesExcludingLiabilityAwards


Employee
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value115.6443.7631.1981.303
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized19.813.911.54.84.7

knx:RestrictedStockUnitsExcludingLiabilityAwards


Employee
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value4128231719
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized74.269.972.769.069.6

us-gaap:EmployeeStockOption


Employee
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value0.230.8532.0923.3943.878
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.42.16.413.714.1

us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity

knx:HoldingsCo


Equity
Period End2020-12-31
Value36
Percentage of EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOwnershipPercentage

knx:HoldingsCo


Equity
Period End2020-10-01
Value21.0
Percentage of EquityMethodInvestmentOwnershipPercentage100.0

knx:TransportationResourcePartnersCoInvestPartnersFFRI


Equity
Period End2020-12-312019-12-31
Value7.40.074
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.0

knx:TransportationResourcePartnersCoInvestPartnersQLS


Equity
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value25.00.250.250.250.25
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.0

knx:TransportationResourcePartnersCoinvestPartnersVPW


Equity
Period End2020-12-31
Value18.2
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

knx:TransportationResourcePartnersColnvestPartnersNTI


Equity
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value8.30.0830.0830.0830.083
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.0

knx:TransportationResourcePartnersIII


Equity
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value4.80.0490.0530.0610.048
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.0

knx:TransportationResourcePartnersV


Equity
Period End2020-12-31
Value20.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

us-gaap:EquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestments

knx:HoldingsCo


Equity
Period End2020-10-01
Value39
Percentage of EquityMethodInvestments100.0

us-gaap:EquityMethodInvestmentsFairValueDisclosure

us-gaap:EquityMethodInvestmentsFairValueDisclosure


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value818077373630303220
Percentage of EquityMethodInvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-31
Value190
Percentage of FinanceLeaseLiability100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value5236585258
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1651271388748555759666871
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value202
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value23
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value56
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value3487000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value64
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value21
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value32
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value11
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

knx:RevenueEquipment


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value2.40.0330.030.0380.03
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLosses

us-gaap:FinancingReceivableAllowanceForCreditLosses


Financing
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-31
Value602000.0503000.01051000.01040000.0559000.0240000.0
Percentage of FinancingReceivableAllowanceForCreditLosses100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value1691571451341221119989786757463525144.029198194190185181177173156
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-312020-12-312020-09-302014-12-312013-12-312012-12-31
Value24354546161616
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear


Finite
Period End2020-09-30
Value11
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2021-06-302021-03-312020-12-312020-09-302014-12-312013-12-312012-12-31
Value484645450.01616
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0100.0100.0100.00.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-302014-12-312013-12-312012-12-31
Value48464545161616
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-302015-12-312014-12-312013-12-312012-12-31
Value4846454616161616
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-302016-12-312014-12-312013-12-312012-12-31
Value4847454616161616
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value929910894894894894839840838838838838837837820820275275275275275275275275
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillGross

us-gaap:GoodwillGross


Goodwill
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2922291829192887507507507507
Percentage of GoodwillGross100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecurities

us-gaap:HeldToMaturitySecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value8.5898.9549.0019.0528.2728.8368.91210101117202122222222222222222323231824
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecurities us-gaap:FinancialInstrument

us-gaap:DomesticCorporateDebtSecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8.5898.9549.0019.0528.2728.8368.91210101115171515
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.099.187.883.170.771.9

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain


Held
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2000.010000.027000.01000.04000.08000.06000.02000.01000.000001000.01000.0001000.04000.08000.03000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain us-gaap:FinancialInstrument

us-gaap:DomesticCorporateDebtSecurities


Held
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2000.010000.027000.01000.04000.08000.06000.02000.01000.0000
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3000.04000.08000.05000.03000.031000.01000.02000.004000.016000.015000.015000.039000.024000.07000.013000.016000.029000.014000.06000.04000.028000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss us-gaap:FinancialInstrument

us-gaap:DomesticCorporateDebtSecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3000.04000.08000.05000.03000.031000.01000.02000.004000.016000.013000.014000.014000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.086.793.358.3

us-gaap:HeldToMaturitySecuritiesFairValue

us-gaap:HeldToMaturitySecuritiesFairValue


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value8.5868.958.9959.0578.2968.8068.91510101117202122222222222222222323
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesFairValue us-gaap:FinancialInstrument

us-gaap:DomesticCorporateDebtSecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8.5868.958.9959.0578.2968.8068.91510101115171515
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.099.187.883.170.771.9

us-gaap:IncomeTaxExaminationPenaltiesAndInterestAccrued

us-gaap:IncomeTaxExaminationPenaltiesAndInterestAccrued


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value400000.0400000.0300000.0300000.0500000.0400000.0400000.0600000.01000000.01000000.01400000.01400000.0600000.0500000.0300000.01700000.0400000.0400000.0400000.0400000.0400000.0400000.01400000.0
Percentage of IncomeTaxExaminationPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value290.0312.9038.3585.902121742351.3996.94341302655392.7660.2720.2069.9870.1673.55311174.3994.233185.344.3141123258.4241210152.3171.7261.8816.2678.6335.059
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IndefiniteLivedTradeNames

us-gaap:IndefiniteLivedTradeNames


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value643640640640640640639639639639639639640635
Percentage of IndefiniteLivedTradeNames100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentOwnedAtFairValue

us-gaap:InvestmentOwnedAtFairValue


Investment
Period End2021-06-30
Value37
Percentage of InvestmentOwnedAtFairValue100.0

us-gaap:InvestmentOwnedAtFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Investment
Period End2021-06-30
Value37
Percentage of InvestmentOwnedAtFairValue100.1

us-gaap:InvestmentOwnedAtFairValue us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Investment
Period End2021-06-30
Value37
Percentage of InvestmentOwnedAtFairValue100.1

us-gaap:InvestmentOwnedUnderlyingFaceAmountAtMarketValue

us-gaap:InvestmentOwnedUnderlyingFaceAmountAtMarketValue


Investment
Period End2021-04-16
Value25
Percentage of InvestmentOwnedUnderlyingFaceAmountAtMarketValue100.0

us-gaap:InvestmentOwnedUnderlyingFaceAmountAtMarketValue us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Investment
Period End2021-04-16
Value25
Percentage of InvestmentOwnedUnderlyingFaceAmountAtMarketValue100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value49
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceived


Lessor
Period End2020-12-31
Value89
Percentage of LessorOperatingLeasePaymentsToBeReceived100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears


Lessor
Period End2020-12-31
Value587000.0
Percentage of LessorOperatingLeasePaymentsToBeReceivedFiveYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears


Lessor
Period End2020-12-31
Value3103000.0
Percentage of LessorOperatingLeasePaymentsToBeReceivedFourYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextRollingTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextRollingTwelveMonths


Lessor
Period End2020-12-31
Value41
Percentage of LessorOperatingLeasePaymentsToBeReceivedNextRollingTwelveMonths100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter


Lessor
Period End2020-12-31
Value373000.0
Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears


Lessor
Period End2020-12-31
Value15
Percentage of LessorOperatingLeasePaymentsToBeReceivedThreeYears100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears


Lessor
Period End2020-12-31
Value28
Percentage of LessorOperatingLeasePaymentsToBeReceivedTwoYears100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

knx:A2017AgreementCreditFacility


Letters
Period End2020-12-312019-12-312018-12-312017-12-31
Value292836122
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:FinancialInstrument

knx:A2018RSA


Letters
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6567676868707070707070
Percentage of LettersOfCreditOutstandingAmount0.0229.60.00.00.0250.30.00.00.0193.70.0

knx:A2021RSA


Letters
Period End2021-06-30
Value65
Percentage of LettersOfCreditOutstandingAmount0.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

knx:A2017AgreementCreditFacility


Line
Period End2020-10-022019-12-312018-12-312017-12-312017-09-29
Value8008008008001200
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0

knx:A2017AgreementTermLoan


Line
Period End2020-10-022019-12-312018-12-312017-12-31
Value300400400400
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity37.550.050.050.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument, us-gaap:LongtermDebtType

knx:A2017AgreementTermLoan, us-gaap:LoansPayable


Line
Period End2020-10-022017-09-29
Value300400
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity37.533.3

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument, us-gaap:SubsequentEventType

knx:A2021TermLoan, us-gaap:SubsequentEvent


Line
Period End2021-07-06
Value1200
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.0

us-gaap:LoansReceivableBasisSpreadOnVariableRate us-gaap:Range

us-gaap:LoansReceivableBasisSpreadOnVariableRate

srt:Maximum


Loans
Period End2020-12-312019-12-312018-12-31
Value15.00.180.2
Percentage of LoansReceivableBasisSpreadOnVariableRate100.0100.0100.0

srt:Minimum


Loans
Period End2020-12-312019-12-312018-12-31
Value8.00.050.02
Percentage of LoansReceivableBasisSpreadOnVariableRate53.327.810.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value728552422403377377584929303231768580756262594741469659545566
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:FinancialInstrument

us-gaap:LongTermDebtFairValue

knx:A2017AgreementTermLoan


Long
Period End2020-12-312019-12-31
Value300365
Percentage of LongTermDebtFairValue100.0100.0

knx:A2017TermLoan


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value300300300365
Percentage of LongTermDebtFairValue0.00.0100.00.0

us-gaap:LongTermDebtFairValue us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Long
Period End2020-10-02
Value300
Percentage of LongTermDebtFairValue0.0

us-gaap:LongTermLineOfCredit

us-gaap:LongTermLineOfCredit


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-04-302011-12-31
Value551152101702352942792902706019523512055125850.010.013050852002002000.00.05782990.017622.531400400
Percentage of LongTermLineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:LongTermLineOfCredit us-gaap:DebtInstrument, us-gaap:LongtermDebtType

knx:A2017AgreementCreditFacility, us-gaap:LineOfCredit


Long
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302016-12-31
Value21027919555125850.0
Percentage of LongTermLineOfCredit100.0100.0100.0100.0100.0100.00.0

us-gaap:LossContingencyAccrualAtCarryingValue

us-gaap:LossContingencyAccrualAtCarryingValue


Loss
Period End2021-06-302021-03-312020-09-30
Value232134
Percentage of LossContingencyAccrualAtCarryingValue100.0100.0100.0

us-gaap:NotesAndLoansReceivableNetCurrent

us-gaap:NotesAndLoansReceivableNetCurrent


Notes
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2846000.04163000.04563000.04059000.04742000.05984000.05805000.06414000.06961000.07668000.08316000.09425000.09817000.09523000.09093000.08730000.09202000.09144000.09001000.08419000.07210000.06389000.04692000.04926000.04957000.05263000.05051000.05766000.06455000.08122000.0
Percentage of NotesAndLoansReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesAndLoansReceivableNetNoncurrent

us-gaap:NotesAndLoansReceivableNetNoncurrent


Notes
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value6.87710101111123.2925.9326.373
Percentage of NotesAndLoansReceivableNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesReceivableGross

us-gaap:NotesReceivableGross


Notes
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value10151616193.84713139.5047.66710
Percentage of NotesReceivableGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesReceivableGross us-gaap:CounterpartyName

knx:IndependentContractorRelationship


Notes
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7.2919.1679.3188.9771.039
Percentage of NotesReceivableGross70.659.856.853.327.0

knx:OtherRelationship


Notes
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3.0346.1647.0757.8652.808
Percentage of NotesReceivableGross29.440.243.246.773.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

knx:RevenueEquipment


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value2.40.0260.0260.0260.022
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0

us-gaap:LandBuildingsAndImprovements


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value3.70.0430.0420.0420.039
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent154.2165.4161.5161.5177.3

us-gaap:OtherCommitmentDueAfterFifthYear us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherCommitmentDueAfterFifthYear

knx:TransportationResourcePartnersV


Other
Period End2020-12-31
Value1600000.0
Percentage of OtherCommitmentDueAfterFifthYear100.0

us-gaap:OtherCommitmentDueInFourthAndFifthYear us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherCommitmentDueInFourthAndFifthYear

knx:TransportationResourcePartnersIV


Other
Period End2020-12-31
Value400000.0
Percentage of OtherCommitmentDueInFourthAndFifthYear100.0

knx:TransportationResourcePartnersV


Other
Period End2020-12-31
Value1700000.0
Percentage of OtherCommitmentDueInFourthAndFifthYear425.0

us-gaap:OtherCommitmentDueInNextTwelveMonths us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherCommitmentDueInNextTwelveMonths

knx:TransportationResourcePartnersIII


Other
Period End2020-12-312019-12-312018-03-312017-12-31
Value1700000.01700000.0900000.0900000.0
Percentage of OtherCommitmentDueInNextTwelveMonths100.0100.0100.0100.0

knx:TransportationResourcePartnersIV


Other
Period End2020-12-312019-12-312018-03-312017-12-31
Value100000.0100000.01300000.01300000.0
Percentage of OtherCommitmentDueInNextTwelveMonths5.95.9144.4144.4

knx:TransportationResourcePartnersV


Other
Period End2020-12-31
Value5400000.0
Percentage of OtherCommitmentDueInNextTwelveMonths317.6

us-gaap:OtherCommitmentDueInSecondAndThirdYear us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherCommitmentDueInSecondAndThirdYear

knx:TransportationResourcePartnersIV


Other
Period End2020-12-312018-12-312018-03-312017-12-31
Value200000.0200000.0500000.0500000.0
Percentage of OtherCommitmentDueInSecondAndThirdYear100.0100.0100.0100.0

knx:TransportationResourcePartnersV


Other
Period End2020-12-31
Value7800000.0
Percentage of OtherCommitmentDueInSecondAndThirdYear3900.0

us-gaap:PostemploymentBenefitsLiabilityCurrentAndNoncurrent

us-gaap:PostemploymentBenefitsLiabilityCurrentAndNoncurrent


Postemployment
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value129.16.46.80.1
Percentage of PostemploymentBenefitsLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value5866716154596273677467665862586513
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByType

us-gaap:PropertyPlantAndEquipmentFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:Equipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value5851000.05851000.05851000.05099000.05099000.0350000.0
Percentage of PropertyPlantAndEquipmentFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentFairValueDisclosure us-gaap:FairValueByMeasurementFrequency, us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByType

us-gaap:FairValueMeasurementsNonrecurring, us-gaap:Equipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value5851000.05851000.05851000.05099000.05099000.0350000.0
Percentage of PropertyPlantAndEquipmentFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:PurchaseObligationDueAfterFifthYear us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:PurchaseObligationDueAfterFifthYear

knx:CapitalAdditionPurchaseCommitmentsNonrevenueequipment


Purchase
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value200000.000000000
Percentage of PurchaseObligationDueAfterFifthYear100.00.00.00.00.00.00.00.00.0

us-gaap:PurchaseObligationDueInFourthAndFifthYear us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:PurchaseObligationDueInFourthAndFifthYear

knx:CapitalAdditionPurchaseCommitmentsNonrevenueequipment


Purchase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value800000.0500000.0600000.0200000.0200000.0
Percentage of PurchaseObligationDueInFourthAndFifthYear100.0100.0100.0100.0100.0

knx:Nonrevenueequipmentpurchasecommitments


Purchase
Period End2020-12-312019-12-312018-12-31
Value500000.0200000.00
Percentage of PurchaseObligationDueInFourthAndFifthYear0.00.00.0

us-gaap:PurchaseObligationDueInNextTwelveMonths us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:PurchaseObligationDueInNextTwelveMonths

knx:CapitalAdditionPurchaseCommitmentsTotalRevenueEquipment


Purchase
Period End2020-12-31
Value704
Percentage of PurchaseObligationDueInNextTwelveMonths100.0

knx:CapitalAdditionPurchaseCommitmentsofTractors


Purchase
Period End2020-12-312019-12-312018-12-312017-12-31
Value455400662195
Percentage of PurchaseObligationDueInNextTwelveMonths64.70.00.00.0

knx:FuelPurchaseCommitment


Purchase
Period End2020-12-31
Value35
Percentage of PurchaseObligationDueInNextTwelveMonths5.0

knx:Nonrevenueequipmentpurchasecommitments


Purchase
Period End2020-12-312019-12-312018-12-312017-12-31
Value256.25.86.0
Percentage of PurchaseObligationDueInNextTwelveMonths3.70.00.00.0

us-gaap:PurchaseObligationDueInSecondAndThirdYear us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:PurchaseObligationDueInSecondAndThirdYear

knx:CapitalAdditionPurchaseCommitmentsNonrevenueequipment


Purchase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4.62.13.01.81.21.11.10.64.13.33.3
Percentage of PurchaseObligationDueInSecondAndThirdYear100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:FuelPurchaseCommitment


Purchase
Period End2020-09-30
Value35
Percentage of PurchaseObligationDueInSecondAndThirdYear1180.0

knx:Nonrevenueequipmentpurchasecommitments


Purchase
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.01.00.60.0
Percentage of PurchaseObligationDueInSecondAndThirdYear0.00.00.00.0

us-gaap:PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear

knx:CapitalAdditionPurchaseCommitmentsNonrevenueequipment


Purchase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value363720196.06.53.77.14.84.29.1
Percentage of PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:CapitalAdditionPurchaseCommitmentsTotalRevenueEquipment


Purchase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value509654134317405139385593208506669
Percentage of PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear1379.91746.1659.31655.76761.72147.710421.68362.04337.512061.97359.3

knx:CapitalAdditionPurchaseCommitmentsofTractors


Purchase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value31741982224274117340539194468618
Percentage of PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear859.91117.9404.91166.74566.71812.39191.97598.64043.811164.36797.8

knx:FuelPurchaseCommitment


Purchase
Period End2021-06-302021-03-312020-09-30
Value142510
Percentage of PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear39.366.749.5

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
Value514739363939414051504648505573625854575955575558646145515247505042455154576171749684
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:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1398000.01366000.01250000.01582000.01408000.01160000.01175000.0985000.01219000.01019000.01602000.01591000.02104000.01621000.01427000.01597000.01474000.01406000.01385000.0
Percentage of RestrictedCashAndCashEquivalentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

knx:TwoThousandTwelveEmployeeStockPurchasePlan


Share
Period End2020-12-31
Value1.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

knx:TwoThousandTwelveEmployeeStockPurchasePlan


Share
Period End2020-12-312019-12-31
Value1000000.01100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName, us-gaap:StatementClassOfStock

knx:A2014OmnibusPlan, us-gaap:CommonClassA


Share
Period End2020-12-312019-12-31
Value5600000.01800000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant560.0163.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value27.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-31
Value3.7485.563
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1000000.01500000.02000000.01700000.02400000.03200000.03200000.04000000.010000000.09900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value33.35
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased

knx:TwoThousandTwelveEmployeeStockPurchasePlan


Share
Period End2020-12-31
Value35.69
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased100.0

us-gaap:SharePrice

us-gaap:SharePrice


Share
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-03-312016-12-312015-12-312014-12-31
Value41.8235.8425.0746.0143.7231.3524.3613.8228.63
Percentage of SharePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption


Sharebased
Period End2020-12-31
Value3012000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:EmployeeStockOption


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value6.785.975.695.496.226.924.024.664.79
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PerformanceShares


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value39.535.5329.535.3419.9718.9917.23
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue582.6595.1518.5643.7321.1274.4428.6

us-gaap:RestrictedStockUnitsRSU


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value34.0729.7830.1426.5918.5522.5419.95
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue502.5498.8529.7484.3298.2325.7496.3

us-gaap:StockRepurchaseProgramAuthorizedAmount1 us-gaap:ShareRepurchaseProgram

us-gaap:StockRepurchaseProgramAuthorizedAmount1

knx:KnightSwiftShareRepurchasePlanNovember242020


Stock
Period End2020-11-24
Value250
Percentage of StockRepurchaseProgramAuthorizedAmount1100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:ShareRepurchaseProgram

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

knx:KnightSwiftShareRepurchasePlanMay312019


Stock
Period End2020-12-312020-11-242020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-05-30
Value2335419919919923323323354
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:KnightSwiftShareRepurchasePlanNovember242020


Stock
Period End2021-06-302021-03-312020-12-31
Value196196250
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount10.00.0107.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Stock
Period End2021-02-232020-11-02
Value199155
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount10.00.0

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount us-gaap:FinancialInstrument

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount

knx:A2018RSA


Transfers
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value267302285273276299280284280325322
Percentage of TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

knx:A2021RSA


Transfers
Period End2021-06-30
Value400
Percentage of TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount0.0

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount


Transfers
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value2781641792042041441742392342152803052852943042792992992242250.0264294334315264
Percentage of TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount us-gaap:FinancialInstrument

knx:A2018RSA


Transfers
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1982132011641792042041441742392340.0
Percentage of TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0

knx:A2021RSA


Transfers
Period End2021-06-30
Value278
Percentage of TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount100.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UndistributedEarningsOfForeignSubsidiaries


Undistributed
Period End2020-12-31
Value82
Percentage of UndistributedEarningsOfForeignSubsidiaries100.0

us-gaap:UnsecuredDebt

us-gaap:UnsecuredDebt


Unsecured
Period End2020-12-312019-12-31
Value298364
Percentage of UnsecuredDebt100.0100.0

us-gaap:UnsecuredDebt us-gaap:DebtInstrument

knx:A2017AgreementTermLoan


Unsecured
Period End2020-12-312019-12-31
Value298364
Percentage of UnsecuredDebt100.0100.0

us-gaap:UnsecuredDebt us-gaap:FinancialInstrument

knx:A2017AgreementTermLoan


Unsecured
Period End2020-12-312019-12-31
Value298364
Percentage of UnsecuredDebt100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:AllowanceForNotesReceivable


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value602000.0503000.01051000.01040000.0240000.0273000.0351000.0
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


Operating Margin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating  Marginus-gaap: Consolidation Items, us-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents
(None,)
Net Income Lossus-gaap: Statement Equity Components
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:Revenues
us-gaap:ProductOrService
(None,)
Revenuesus-gaap: Product Or Service
us-gaap:Revenues
us-gaap:ConsolidationItems
(None,)
Revenuesus-gaap: Consolidation Items
us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenuesus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
(None,)
Investments In Affiliates Subsidiaries Associates And Joint Venturesus-gaap: Schedule Of Equity Method Investment Equity Method Investee Name
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
(None,)
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Valueus-gaap: Statement Equity Components
us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents
(None,)
Net Income Lossus-gaap: Statement Equity Components
us-gaap:Dividends
us-gaap:StatementEquityComponents
(None,)
Dividendsus-gaap: Statement Equity Components