LSTR


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic
us-gaap:ChangeInAccountingEstimateByType

us-gaap:EarningsPerShareDiluted
us-gaap:ChangeInAccountingEstimateByType
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostsAndExpenses

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaid

us-gaap:InterestAndDebtExpense

us-gaap:InterestIncomeOperating
us-gaap:StatementBusinessSegments

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:ChangeInAccountingEstimateByType

us-gaap:OperatingIncomeLoss
us-gaap:ChangeInAccountingEstimateByType
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService, us-gaap:ContractWithCustomerSalesChannel

us-gaap:Revenues
us-gaap:StatementBusinessSegments

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:ShortTermInvestments

us-gaap:ReceivablesNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:Land

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:InvestmentType
us-gaap:LongTermInvestments

us-gaap:Goodwill
us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation
us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:DividendsPayableCurrent

us-gaap:LiabilitiesCurrent
us-gaap:BalanceSheetLocation
us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent
us-gaap:BalanceSheetLocation
us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ChangeInAccountingEstimateByType

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

lstr:EntityWideRevenueNoMajorCustomerAccountedForBenchmarkPercentage

lstr:EstimatedAnnualEffectiveTaxRateForContinuingOperations

lstr:FinanceLeaseCost
us-gaap:Range, us-gaap:CreditFacility
lstr:LeverageRatioRequired
us-gaap:Range, us-gaap:AwardDate, us-gaap:AwardType
lstr:MaximumPercentageOfTargetAvailableForIssuance

lstr:OperatingLeasesRentIncomeExpenseNet

lstr:PurchasedTransportationCosts
us-gaap:AwardType
lstr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSharesEarnedInExcessOfTargetWeightedAverageGrantDateFairValue

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalLeaseObligationsIncurred
us-gaap:Range, us-gaap:CreditFacility, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:DepreciationAndAmortization

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInInsuranceLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInRestrictedCashAndInvestments

us-gaap:LeaseCost
us-gaap:Range, us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage

us-gaap:OperatingInsuranceAndClaimsCostsProduction

us-gaap:OperatingLeaseCost

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherCostAndExpenseOperating

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:ProceedsFromRepaymentsOfBankOverdrafts

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RestructuringCharges

us-gaap:RevenueFromRelatedParties
us-gaap:StatementBusinessSegments

us-gaap:SalesCommissionsAndFees
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents
lstr:SelfInsurancePerOccurrence, us-gaap:BalanceSheetLocation
lstr:ClaimsReceivableFromThirdPartyInExcessOfSelfInsuredRetention

lstr:ContractorEscrow

lstr:FinanceLeasedAssetsGross

lstr:FinanceLeasesBalanceSheetAssetsByMajorClassNet

lstr:LeaseRightOfUseAsset
lstr:SelfInsurancePerOccurrence, lstr:ThirdPartyInsurancePerOccurrence
lstr:SelfInsuranceExcessValueMaintainThirdParty
lstr:SelfInsurancePerOccurrence, lstr:ThirdPartyInsurancePerOccurrence, us-gaap:ReinsurancePolicyType
lstr:SelfInsurancePerOccurrence, lstr:ThirdPartyInsurancePerOccurrence
lstr:SelfInsuranceRetainedAggregateLiability
lstr:SelfInsurancePerOccurrence, us-gaap:LossContingenciesByNatureOfContingency, us-gaap:ReinsurancePolicyType
lstr:SelfInsurancePerOccurrence, us-gaap:Range, us-gaap:ReinsurancePolicyType
lstr:SelfInsurancePerOccurrence, us-gaap:Range
lstr:SelfInsuranceRetainedLiability
lstr:SelfInsurancePerOccurrence, us-gaap:Range, us-gaap:LossContingenciesByNatureOfContingency
lstr:SelfInsuredRetainedTermAggregateLiability

lstr:TrailingEquipmentGross

us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument
us-gaap:InvestmentType
us-gaap:Collateral, us-gaap:InvestmentType
us-gaap:AvailableForSaleSecurities

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FinancialInstrument
us-gaap:InvestmentType

us-gaap:BankOverdrafts

us-gaap:BuildingsAndImprovementsGross
us-gaap:InvestmentType
us-gaap:DebtSecuritiesAvailableForSaleRestricted

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DividendsPayableAmountPerShare
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

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:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount
us-gaap:BalanceSheetLocation
us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:CreditFacility
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:GuaranteeObligationsByNature
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter

us-gaap:OtherReceivables

us-gaap:PropertyPlantAndEquipmentOther

us-gaap:SelfInsuranceReserveCurrent
lstr:SelfInsurancePerOccurrence

us-gaap:SelfInsuranceReserveNoncurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:ValuationAllowancesAndReservesBalance
us-gaap:ValuationAllowancesAndReservesType

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Liability
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Other Assets Current
NonCurrent Assets
Goodwill
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Other Liabilities Current
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Dividends Payable Amount Per Share
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
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:CommonStockValue █████████▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▂▁▁▁▁▁0.6820.6820.6820.6820.6820.6820.6810.6810.6810.680.6790.6790.6780.6780.6770.6770.6770.6770.6760.6750.6750.6750.6740.6740.6740.6730.6730.6720.6720.6710.670.670.670.670.6690.6690.6690.6680.6660.6660.6660.6660.665NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█38.40238.404NA38.38638.37939.254NA39.56639.94540.166NA41.13741.49142.098NA42.02842.0141.998NA42.1742.35742.489NA43.60744.03344.76NA44.93745.12845.596NA45.85646.38646.722NA46.73247.10447.061NA47.38747.91247.9NA49.44750.21550.318
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic NANANA38.38638.37939.254NA39.56639.94540.161NA41.10141.4542.038NA41.95741.93541.879NA42.03942.23542.395NA43.44643.89244.588NA44.71344.93545.407NA45.70846.25346.507NA46.61446.91546.8NA47.35847.78247.87NA49.43450.12350.207
us-gaap:EarningsPerShareBasic NANA1.70000000000000061.610.631.041.271.351.531.581.691.631.511.371.541.010.890.770.950.860.770.690.890.910.920.670.85999999999999990.820.80.611.30.640.660.580.730.710.760.570.70.640.620.430.50.440.490.34
 us-gaap:EarningsPerShareBasic us-gaap:ChangeInAccountingEstimateByType lstr:DevelopmentOfPriorYearSelfInsuredClaimsEstimatesNANA0.060.020.06NA0.140.130.030.030.050000000000000020.060.10.050.0399999999999999940.02NANA0.01-0.030.010.03-0.0099999999999999950.00.010.06-0.0100000000000000090.010.070.03NANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareDiluted █▇▆▅▂▃▄▄▅▅▆▅▅▄▅▃▃▂▃▃▂▂▃▃▃▂▃▃▃▂▄▂▂▂▂▂▂▂▂▂▂▁▂▁▂▁2.42.011.70000000000000061.610.631.041.271.351.531.581.681.631.511.371.541.010.890.770.940.860.760.690.880.90.920.670.84999999999999960.820.80.611.30.640.660.570.730.710.760.570.70.640.620.430.50.440.490.34
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
 Operating Margin us-gaap:StatementBusinessSegments lstr:Insurance██▆▅▅▅▅▅▅▅▅▅▄▄▄▄▃▃▄▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▂▂▁▁▁▁▁▁▁▁▁17.6617.03514.89214.17213.71613.68213.87214.10614.22414.03913.85313.34412.86512.28612.05711.73811.62711.5611.78811.54111.55111.54411.54711.32910.95410.58410.39910.0119.6239.3449.3229.1319.0629.049.1729.0878.8318.7718.828.5978.4078.5198.618.5538.502NA
 Operating Margin us-gaap:StatementBusinessSegments lstr:TransportationLogistics█▆▆▅▃▃▄▄▄▄▅▅▅▄▄▄▃▂▃▃▂▂▃▃▃▂▃▃▃▂▂▂▂▁▂▂▂▂▂▂▂▁▁▁▁1553.0581270.4991281.4631071.374809.798913.884981.007997.5521030.8161018.9611168.4981188.7371169.9211035.641039.535931.692858.807769.348881.041776.397763.672700.1837.055830.397857.429751.796852.431809.309804.82678.853667.276671.39670.278619.281682.084708.081727.142640.252708.702675.416667.154563.467578.925614.273633.219NA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
 TTM Greenblatt ROC _ _█▇▅▅▁▃▄▄▅▅▅▅▅▄▄▃▃▃▃▃▃▂▃▃▄▂▃▃▃▂▂▂▂▂▂▃▃▂▂▂▂▁▁122.248103.26884.41282.35232.18154.00566.51970.63880.85180.89686.08887.06883.42675.15370.04960.56761.01852.33463.76558.46153.09347.93262.64863.9866.03349.04561.20959.57758.57245.01439.74147.7849.93743.46249.53554.37958.78943.1550.9549.53348.6734.09235.808NANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:RestrictedStockUnitsRSU█▅▃▃▂▂▁▂▃▃▇▆▆▅▆▃▃▂▁▂▂▃▃▃▃▃▄▃▃▃▂▂▂▂▂▂▂▂6.0263.2231.1870.723-0.172-0.136-0.920.4150.7551.3074.6824.3283.8223.1533.5950.9450.7850.524-0.4730.1920.490.641.4971.21.0881.1582.0090.8460.9470.641-0.0560.2880.5190.5250.3320.2020.230.2NANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax █▆▆▅▂▂▄▄▅▅▅▆▅▅▅▃▃▂▃▂▂▂▃▃▃▂▃▃▂▂▅▂▂▂▂▂▂▂▂▂▂▁▁▁▁93.39576.28669.03663.06728.80231.41451.55752.47962.48164.86666.9567.760.7957.12863.29843.07438.05932.58438.95436.06332.78329.94937.1138.42439.88929.96337.60136.536.21927.31659.17929.55129.426.49733.76933.76935.65327.23332.16129.96929.89120.83223.79922.30224.434NA
us-gaap:CostsAndExpenses █▆▆▅▃▄▄▄▄▄▅▅▅▄▄▄▃▃▃▃▃▂▃▃▃▂▃▃▃▂▂▂▂▁▂▂▂▂▂▂▂▁▁▂▂▁1449.2181184.951212.6261003.908792.168874.728929.665942.335965.472953.2421097.3251116.0151100.251973.634982.308883.574810.024728.988829.466729.834722.493664.092786.307778.096802.689713.689801.975760.075756.203643.546641.551633.107629.774585.233642.099663.182677.589606.26666.983634.853627.284538.422552.216587.435602.028520.078
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▇▅▅▁▃▄▄▅▅▅▅▅▄▄▃▃▃▃▃▃▂▃▃▄▂▃▃121.281102.22683.39581.34431.20553.05365.65669.87480.14280.09185.18986.25282.58774.35369.44259.9160.19951.25162.69657.51352.20547.04361.90763.26665.3248.26460.29258.803NANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit █▇▅▅▂▃▄▄▅▄▅▅▅▅▁▅▆▅▆▆▅▅▇▇▇▅▆▆▆▄▄▅▅▄▄▆▆▄▅▅▅▃▃▃▄▃28.98724.98618.32419.4586.95112.15815.60816.61919.04216.79116.88919.30420.09516.884.75917.4922.68918.86823.12221.23519.89117.85924.05223.91824.84918.24921.80122.04821.92916.60813.72117.67818.7415.94214.76520.4622.16415.57917.54618.6418.29512.70711.00513.31514.96210.484
us-gaap:IncomeTaxesPaid █▁▄▃▃▁▃▃▆▁▄▃▆▁▄▄▆▂▄▃▆▁▄▃▅▁▄▄▆▄▄▃▅▁▄▄▅▁▃▃▄▁▃▃51.3260.35318.82812.56316.1910.00712.4415.69735.5563.62419.04116.02139.5980.46420.91920.12940.0955.46420.45214.84433.5620.20924.42218.18431.3440.66921.67220.40936.63319.79219.28916.16527.7661.03522.50518.78226.9982.74817.32216.79824.0531.26914.97413.837NANA
us-gaap:InterestAndDebtExpense ▆▇▇▇▆▆▅▃▂▄▅▄▄▄▁▂▄██▆▅▅▃▃▃▄▆▃▃▃▄▅▃▃▄▄▃▃▃▃▄▄▆▇▄▅0.9671.0421.0171.0080.9760.9520.8630.7640.7090.8050.8990.8160.8390.80.6070.6570.8191.0831.0690.9480.8880.8890.7410.7140.7130.7810.9170.7740.7180.7680.8440.8560.7710.740.7920.8180.770.7240.7720.7350.7770.8280.9241.0350.810.854
us-gaap:InterestIncomeOperating ▄▄▄▄▅▇███▇▆▆▅▅▄▄▃▂▂▁▂▂▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▁▁0.7480.6840.6830.7140.8351.1671.3051.3151.2831.1381.0621.0020.8910.8610.7650.7110.6080.4140.4020.3570.3630.380.3530.350.3390.3540.3540.3320.3320.3630.3640.3660.3710.3740.3780.3930.4050.3870.4110.3730.3930.5280.4890.4950.2890.285
us-gaap:InterestPaidNet ▁█0.90.983NA1.030.9781.079NA1.0161.0881.198NA0.851NANANA0.919NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss █▇▅▅▂▃▄▄▅▅▆▆▅▅▅▃▃▂▃▃▂▂▃▃▃▂▃▃▃▂▅▂▂▂▃▂▃▂▂▂▂▁▂▁▂▁92.29477.2465.07161.88624.25440.89550.04853.25561.163.31768.25666.98562.52357.51764.75242.44337.5132.38339.57436.27832.31429.18437.85539.34840.47130.01538.49136.75535.92527.63859.55729.24630.42626.7833.97833.10135.85526.84732.63230.15829.59820.61924.09921.80224.43717.176
us-gaap:OperatingIncomeLoss █▇▅▅▁▃▄▄▅▅▅▅▅▄▄▃▃▃▄▃▃▂▄▄▄▃▃▃▃▂▂▂▃▂▃▃▃▂▃▃▃▁▂▂▂▁122.248103.26884.41282.35232.18154.00566.51970.63880.85180.89686.08887.06883.42675.15370.04960.56761.01852.33463.76558.46153.09347.93262.64863.9866.03349.04561.20959.57758.57245.01439.74147.7849.93743.46249.53554.37958.78943.1550.9549.53348.6734.09235.80835.88639.98228.295
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▇▅█▆▇▁▇▅▆▆▅▆▅▆1.45-0.423.7870.9081.732-7.9021.571-1.0830.5710.554-1.3960.708-1.580.341NA0.5450.4480.137-0.28-0.1810.2540.583-0.476-0.93-0.418-0.28-0.716-0.0610.175-0.432-0.3340.126-0.285-0.225-0.1140.421-0.2680.204-0.34-0.0440.007NANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax █▁1.101-0.954NA1.1814.548-9.481NA-0.7761.3811.699-1.410.974-2.015-0.012-1.7980.6310.5490.201-0.62-0.2150.4690.765-0.745-0.924-0.582-0.052-0.89-0.2550.294-0.322-0.3780.305-1.026-0.283-0.2090.668-0.2020.386-0.471-0.1890.293NANANANANA
us-gaap:ProfitLoss █▆▅▅▁▃▄▄▅▅▆▅▅▄▅▃▂▂▃▂▂▂92.29477.2465.07161.88624.25440.89550.04853.25561.163.368.366.94862.49257.47364.68342.4237.5132.38339.57436.27832.31429.184NANANANANANANANA59.55729.24630.42626.7833.97833.10135.85526.84732.63230.15829.59820.55723.87921.53624.2116.957
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▆▆▅▃▄▄▄▄▄▅▅▅▄▄▄▃▃▃▃▃▂▃▃▃▂▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▂▁1570.7181287.5341296.3551085.546823.514927.566994.8791011.6581045.041033.01182.3511202.0811182.7861047.9261051.592943.43870.434780.908892.829787.938775.223711.644848.602841.726868.383762.38862.83819.32814.443688.197691.975680.521679.34628.321691.256717.168735.973649.023717.522684.013675.561571.986587.535622.826641.721548.088
us-gaap:Revenues █▆▆▅▃▄▄▄▄▄▅▅▅▄▄▄▃▃▃▃▃▂▃▃▃▂▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▂▁1570.7181287.5341296.3551085.546823.514927.566994.8791011.6581045.041033.01182.3511202.0811182.7861047.9261051.592943.43870.434780.908892.829787.938775.223711.644848.602841.726868.383762.38862.83819.32814.443688.197691.975680.521679.34628.321691.256717.168735.973649.023717.522684.013675.561571.986587.535622.826641.721548.088
us-gaap:SellingGeneralAndAdministrativeExpense █▆▅▄▅▆▄▄▅▅▆▆▇▆▆▅▅▄▄▃▄▃▄▄▄▄▅▃▄▃▁▃▃▃▄▄▄▄▅▄▃▄▄▅▄▄54.11445.40842.85438.85140.60145.32738.23638.15241.29741.26847.26446.69948.99845.25147.40443.99540.86138.32337.02834.69236.90534.61437.90736.81137.73837.24841.68336.21536.75235.626.4934.24435.7535.22639.6537.45537.66238.79940.65539.20635.78237.26438.19441.0736.97336.843
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:Assets █▇█▆▅▅▆▆▆▆▆▆▅▅▆▅▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▃▂▂▂▂▁▁▁1703.2131574.4651653.7991392.2051272.111236.4331427.7111385.7311348.6931350.9391380.5641390.7121308.8951320.2731352.461263.3391159.2741106.1421096.5911027.758984.757957.492998.07953.022946.944947.6461044.212980.225962.528944.122970.696950.932892.231885.034879.421909.382883.298811.726808.449803.357744.312714.435683.882NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇█▆▅▅▆▆▆▆▆▆▅▅▆▅▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▃▂▂▂▂▁▁▁1703.2131574.4651653.7991392.2051272.111236.4331427.7111385.7311348.6931350.9391380.5641390.7121308.8951320.2731352.461263.3391159.2741106.1421096.5911027.758984.757957.492998.07953.022946.944947.6461044.212980.225962.528944.122970.696950.932892.231885.034879.421909.382883.298811.726808.449803.357744.312714.435683.882NANANA
us-gaap:StockholdersEquity █▇▆▆▆▆▇▇▇▇▆▇▆▆▆▆▅▅▅▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▁▁▁▁830.173762.919691.835705.634649.121627.095721.469755.975728.3728.26686.824723.841657.708702.742650.672650.355609.49573.743542.557506.73497.255482.389466.237478.701469.502484.325488.261495.672460.058443.177454.481423.261392.244407.802379.454371.433347.759328.348300.577278.541282.48262.437251.764NANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:AssetsCurrent █▇█▆▅▄▆▆▅▆▆▆▅▅▆▅▄▄▄▃▃▃▃▃▃▃▄▃▃▃▃▃▂▃▂▃▃▂▂▂▂▁▁1233.2661137.3191208.175964.069840.352816.156997.888970.75939.303944.195971.429999.137928.215928.7961.203877.883793.545749.006737.407668.81656.452636.788662.67655.257656.88640.669732.328662.41673.172658.035682.468623.068573.153597.333591.944619.725602.082537.02551.792558.409502.074466.635420.917NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▅▆▅▆▄█▇▆▇▅▅▄▆▆▆▆▅▄▄▄▄▃▃▂▃▄▄▂▃▅▂▂▂▂▂▂▁▂▂▁▁▁▁▁▂186.404219.389249.354218.554245.471177.224319.515284.434250.212264.625199.736213.974148.641220.605242.416249.741222.102215.468178.897170.805153.37156.284114.52108.89982.426114.887163.944140.59193.133114.166180.30297.55267.47490.78274.28479.96164.39553.61480.969.40939.54445.2344.70655.07545.08182.493
us-gaap:ShortTermInvestments ▆▄▄▄▃▃▃▂▃▄▄▄▄▄▅▅▆▇█▆▇▇▅▅▅▃▃▃▃▃▃▃▃▅▃▃▃▂▂▂▂▂▁52.5641.40741.37539.06836.27433.62732.90131.59635.13839.95840.05840.20340.32339.01448.92845.68751.16762.05866.5656.67961.52861.1448.82348.95548.86437.17437.00737.66436.63335.5634.93934.56834.5648.97435.52838.11236.60131.58427.94428.17730.48930.75623.266NANANA
us-gaap:ReceivablesNetCurrent █▇▆▅▃▄▄▄▄▄▆▆▅▅▅▄▃▃▃▂▂▂▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁902.95824.872764.169637.908489.182562.528588.549598.415594.122601.128691.604702.183688.961631.828631.164546.826480.467439.51463.102409.047402.362383.057462.699462.163481.605447.696492.642455.478460.079411.545378.732394.796391.449378.931408.787429.684423.059377.985368.377388.235385.54344.459307.35NANANA
us-gaap:OtherAssetsCurrent █▂▃▅█▁▄▆▆▂▃▄▆▁▂▃▃▁▂▃▄▁▃▃▄▂▄▃▅▂▂▃▄▂▃▄▄▂▄▃▄▃▄41.53311.58418.5227.98941.5647.62421.3730.92132.61910.91916.28724.19129.5539.37314.39416.92519.2918.09510.28115.18820.6087.52918.15617.55822.30711.47523.60316.32228.71214.77814.59218.98323.18714.62918.06720.20223.08913.59621.30819.07321.00815.21821.652NANANA
us-gaap:Land NANA16.328NANANA15.834NANANA15.259NANANA15.259NANANA15.259NANANA9.148NANANA9.148NANANA9.148NANANA7.982NANANA7.982NANANA7.982NANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:PropertyPlantAndEquipmentGross NANA596.403NANANA566.704NANANA534.185NANANA494.711NANANA463.217NANANA408.518NANANA362.884NANANA335.314NANANA317.952NANANA287.95NANANA270.479NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ██▇▇▇▇▆▆▆▆▅▅▅▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁321.181309.464299.407291.159288.055286.593280.849274.0264.91256.707250.153241.321232.76224.042218.7210.018202.05195.581190.374187.566187.774185.236182.591175.31169.11165.007160.681157.379160.434160.307157.985157.901155.499161.007158.999154.657150.687149.465145.804147.237146.476142.33137.83NANANA
us-gaap:PropertyPlantAndEquipmentNet ▇██▇█▇█▇▇▇▇▇▆▇▇▇▆▇▇▇▆▅▅▄▄▄▄▄▃▃▃▃▃▃▂▃▂▂▂▁▁▁▁281.016288.041296.996279.495284.794276.663285.855270.43269.246276.193284.032268.011256.096265.54276.011261.465259.346263.375272.843261.943236.177228.474225.927195.328190.082197.085202.203203.568175.086171.717177.329184.441179.777161.459158.953163.569152.059144.732142.146128.388123.895127.957132.649NANANA
 us-gaap:LongTermInvestments us-gaap:InvestmentType lstr:NonCurrentInvestments█▁▁▁119.98781.20181.21682.734NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill ▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██████████████40.97340.73240.94940.25140.07137.18238.50838.23238.40738.34338.23238.5638.70439.36339.06539.91431.13431.13431.13431.13431.13431.13431.13431.13431.13431.13431.13431.13431.13431.13431.13457.4757.4757.4757.4757.4757.4757.4757.4757.4757.4757.4757.4757.4757.47NA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation us-gaap:OtherAssets▁▄█▃2.3322.442.5952.391NANA2.7452.7832.9290.589NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▅▅▅▅▅▅▅▅▄▃▃▃▃▃▃▃▂▁▂▁▁▃▂▂▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▂▂147.958108.373107.679108.39106.893106.432105.46106.319101.73792.20886.87185.00485.8886.6776.18184.07775.24962.62755.20765.87160.99461.09678.33971.30368.84878.75878.54783.11383.13683.23679.76585.95381.83168.77271.05468.61871.68772.50457.04159.0960.87362.37372.846NANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:AccountsPayableCurrent █▇▆▅▄▄▄▄▄▄▅▅▅▄▄▄▃▂▃▂▂▂▃▂▃▂▃▂▂▂▁▂▂▂▂▃▂▂▂▂▂▁▁481.711414.44380.505339.798273.324272.175271.996285.442285.569273.181314.134313.728311.768282.48285.132269.389224.928200.675219.409201.872191.247172.035223.709205.514216.807196.215220.077203.203195.335171.085157.796194.134188.529179.014188.981212.653203.919165.851163.307180.488175.325160.704137.297NANANA
us-gaap:DividendsPayableCurrent NANA76.77NANANA78.947NANANANANANANANANANANANANANANANANANANA44.794NANANA15.921NANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▇▆█▅▄▃▅▄▄▄▄▄▄▄▅▃▂▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁720.215662.665806.137543.55473.46464.831552.904483.756474.25473.244535.818515.176508.874472.943548.643446.917386.504368.637380.311350.349334.588322.068369.537343.954346.453325.974410.451342.327372.15376.047375.66371.174341.6334.819344.339372.674361.068320.337331.113363.876316.451302.088278.346NANANA
 us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation us-gaap:OtherCurrentLiabilities▇▇█▁0.7240.7280.7390.64NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▇█▇▃▃▂▃▁▁▂▃▃▃▄▃▅▄▃▃▃▃▄▃▃▂▂▃▃▂▄▅▂▂▂▂▃▃▃▃▅▃▄▄95.646101.44288.92547.20646.84541.4251.03526.99627.71142.0653.11953.55351.28562.20647.21168.85456.99847.39153.48348.02744.64254.78647.96353.07741.61742.12651.65443.1242.28562.30870.23732.92233.40241.8938.18645.52646.98443.49748.06568.26853.07755.07253.785NANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
 us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation lstr:DeferredIncomeTaxesAndOtherNoncurrentLiabilities▁▄█▅1.6081.7121.8561.751NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▂▁█▅0.6150.60.6970.653NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▂▁█▂0.5290.5160.6120.523NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▁▁█▆0.2840.2750.5280.454NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA0.216NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:StockholdersEquity █▇▆▆▆▆▇▇▇▇▆▇▆▆▆▆▅▅▅▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▁▁▁▁830.173762.919691.835705.634649.121627.095721.469755.975728.3728.26686.824723.841657.708702.742650.672650.355609.49573.743542.557506.73497.255482.389466.237478.701469.502484.325488.261495.672460.058443.177454.481423.261392.244407.802379.454371.433347.759328.348300.577278.541282.48262.437251.764NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▅▁830.173762.919691.835NA649.121627.095721.469755.975728.3728.26689.133726.21660.933706.28653.877653.973NANA542.557NANANA466.237NANANA488.261NANANANANANANANANANANA300.577278.541282.48262.437250.967NANANA
us-gaap:CommonStockValue █████████▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▂▁▁▁▁▁0.6820.6820.6820.6820.6820.6820.6810.6810.6810.680.6790.6790.6780.6780.6770.6770.6770.6770.6760.6750.6750.6750.6740.6740.6740.6730.6730.6720.6720.6710.670.670.670.670.6690.6690.6690.6680.6660.6660.6660.6660.665NANANA
us-gaap:AdditionalPaidInCapitalCommonStock █▇▇▇▇▇▇▇▇▇▇▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▂238.422232.597228.875226.878225.332224.973226.123225.937224.55223.551226.852221.563216.328211.933209.599205.396203.41201.948199.414198.736197.503195.667195.841193.502191.221189.525189.012186.097183.681180.979179.807178.952177.486175.841173.976172.455170.921168.829165.712164.766163.355161.543169.268NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁2199.6372115.4112046.2382065.9992012.1731995.0181962.1611998.3621952.4391897.9671841.2791779.681719.4751663.141611.1581613.591575.3421541.6061512.9931477.1791444.6911415.7631389.9751355.5351319.6741282.2771255.3741264.8111231.1871197.9621173.0441129.4081100.1621069.7361042.9561035.0031004.701971.429947.156917.1889.561862.357844.132NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▆▆▄▃▁▆▅▆▅▄▅▄▅▅▆▆▆▆▆▆▆▅▆▆▇▇▇▇▇▇▇▇██████████-1.852-2.953-1.999-5.964-7.145-11.693-2.212-3.721-2.945-4.326-5.875-4.569-5.284-3.551-3.162-1.708-2.339-2.888-3.089-2.469-2.254-2.723-3.488-2.743-1.819-1.237-1.185-0.295-0.04-0.334-0.0120.3660.0611.0871.371.5790.9111.1130.7271.1981.3871.0940.881NANANA
us-gaap:TreasuryStockValue ██████▇▇▇▆▆▅▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁1606.7161582.8181581.9611581.9611581.9211581.8851465.2841465.2841446.4251389.6121376.1111273.5121273.4891169.4581167.61167.61167.61167.61167.4371167.3911143.361126.9931116.7651068.2671040.248986.913955.613955.613955.442936.101899.028886.135886.135839.532839.517838.273829.443813.691813.684805.189772.489763.223763.182NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁6.8644.029NA1.490.570.631NA1.1021.431.9385.2534.9014.3923.714.0611.4231.2430.9940.0290.6520.9661.11.9861.6961.5761.6672.5791.4191.6351.1640.7781.1411.3741.6181.5361.4271.6611.5251.2291.311.2681.205NANANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▅▃▁▇▇▄▆▅█▇▆▄▅▂▄67.28569.89125.169-12.83799.16999.21647.12676.63862.66121.41693.69691.17641.02772.0026.69952.465NANANANANANANANANANANANANANANA47.04231.93152.83422.29948.47534.89819.91233.6460.9276.86316.60440.47542.0362.13824.109
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▇▇▇▆▇▇▇██████▇▇-54.351-4.335-4.674-6.479-12.812-4.454-4.616-6.468-4.058-3.414-2.374-3.384-0.206-2.23-7.165-10.202NANANANANANANANANANANANANANANA-4.8423.445-10.229-2.4080.885-2.433-17.2552.4393.0891.5691.7123.377-0.904-29.579-23.614
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▅██▇▁█▇▆▆▅▇▅▅█▇-46.738-95.7738.436-8.156-18.849-233.463-8.123-35.384-73.433-53.625-104.26-23.047-112.107-91.265-6.757-15.169NANANANANANANANANANANANANANANA-12.248-58.399-25.882-25.454-34.215-21.416-30.147-24.248-34.107-14.125-17.998-54.332-31.152-9.928-3.821
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▅▇▅█▁▇▇▅█▅-32.985-29.96530.8-26.91768.247-142.29135.08134.222-14.41364.889-14.238NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:AmortizationOfFinancingCosts ███▆▁▁▁▁▁▁▁0.1120.1120.1120.0960.0630.0630.0630.0640.0630.0630.063NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsPayable █▆▆█▄▄▃▄▅▂▄▄▆▄▅▇▅▃▅▅▅▁▅▃▅▃▅▅▅▅▄▄▅▃▃▅▆▄▃▄▅▅▃▃▆▅67.27133.93541.27566.846-0.210.179-13.446-0.12712.388-40.9530.4061.9629.288-9.12715.56944.46124.253-15.42415.47611.16415.436-51.67418.195-11.29320.592-23.86216.8747.86824.2513.2893.7285.6059.515-9.967-23.6728.73438.0682.544-17.1815.16314.62123.407-9.41-12.84126.04312.475
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▅▃▁▇▇▄▆▅█▇▆▄▅▂▄67.28569.89125.169-12.83799.16999.21647.12676.63862.66121.41693.69691.17641.02772.0026.69952.465NANANANANANANANANANANANANANANA47.04231.93152.83422.29948.47534.89819.91233.6460.9276.86316.60440.47542.0362.13824.109
us-gaap:NetIncomeLoss █▇▅▅▂▃▄▄▅▅▆▆▅▅▅▃▃▂▃▃▂▂▃▃▃▂▃▃▃▂▅▂▂▂▃▂▃▂▂▂▂▁▂▁▂▁92.29477.2465.07161.88624.25440.89550.04853.25561.163.31768.25666.98562.52357.51764.75242.44337.5132.38339.57436.27832.31429.18437.85539.34840.47130.01538.49136.75535.92527.63859.55729.24630.42626.7833.97833.10135.85526.84732.63230.15829.59820.61924.09921.80224.43717.176
us-gaap:ProfitLoss █▆▅▅▁▃▄▄▅▅▆▅▅▄▅▃▂▂▃▂▂▂92.29477.2465.07161.88624.25440.89550.04853.25561.163.368.366.94862.49257.47364.68342.4237.5132.38339.57436.27832.31429.184NANANANANANANANA59.55729.24630.42626.7833.97833.10135.85526.84732.63230.15829.59820.55723.87921.53624.2116.957
us-gaap:ShareBasedCompensation █▅▃▃▂▂▁▂▃▃▆▆▆▅▅▃▂▂▁▂▂▂▃▃▃▃▄▃▃▂▂▂▃▃▃▃▃▃▂▃▂▂▂▂▂▂6.8644.0291.9481.490.570.631-0.2341.1021.431.9385.2534.9014.3923.714.0611.4231.2430.9940.0290.6520.9661.11.9861.6961.5761.6672.5791.4191.6351.1640.7781.1411.3741.6181.5361.4271.6611.5251.2291.311.2681.2051.2021.1991.1831.185
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▇▇▇▆▇▇▇██████▇▇-54.351-4.335-4.674-6.479-12.812-4.454-4.616-6.468-4.058-3.414-2.374-3.384-0.206-2.23-7.165-10.202NANANANANANANANANANANANANANANA-4.8423.445-10.229-2.4080.885-2.433-17.2552.4393.0891.5691.7123.377-0.904-29.579-23.614
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▂▃▃▅▃▂▃▂▂▂▂▁▂▃▂▁▂▂▄▃▁▁▁▁▂▁▃▁▁▁▂▁▁▂▁▂▁▁▁▁▁▂▁▂█4.9244.0765.27.7511.8775.7994.2175.9754.6484.5762.4223.2040.3073.8146.7862.1721.654.9784.8128.8788.1270.8281.0060.7480.62.451.4087.7770.6220.7321.5072.1171.0271.7222.6441.4461.9561.0260.8770.6311.0211.8082.0310.792.44522.239
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▅██▇▁█▇▆▆▅▇▅▅█▇-46.738-95.7738.436-8.156-18.849-233.463-8.123-35.384-73.433-53.625-104.26-23.047-112.107-91.265-6.757-15.169NANANANANANANANANANANANANANANA-12.248-58.399-25.882-25.454-34.215-21.416-30.147-24.248-34.107-14.125-17.998-54.332-31.152-9.928-3.821
us-gaap:PaymentsOfDividends ▁█▁▁▁█▁▁▁▁▁▁▁▇▁▁▁▁▁▁▁▁▁▁▁▅▁▁▁▂8.06884.8378.0628.067.09986.2837.3027.3326.6286.6296.6576.786.18869.2934.1994.1953.7743.773.763.793.3863.3963.4153.4873.07447.9063.1343.1312.718.641NANANANA26.0252.7992.5832.5742.5762.6192.3942.3942.4192.4762.2652.262
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.00.0115.9620.018.84956.75212.977102.5990.0103.981.508NANANANA0.024.03116.25710.22853.93822.57953.33531.30.00.019.34137.05212.8930.0NANA1.2448.83NANA8.48432.7NANA48.08929.587NANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value682000.0682000.0682000.0682000.0682000.0682000.0681000.0681000.0681000.0680000.0679000.0679000.0678000.0678000.0677000.0677000.0677000.0677000.0676000.0675000.0675000.0675000.0674000.0674000.0674000.0673000.0673000.0672000.0672000.0671000.0670000.0670000.0670000.0670000.0669000.0669000.0669000.0668000.0666000.0666000.0666000.0666000.0665000.0663000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.10.10.00.00.10.10.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-09-242016-06-252016-03-262015-09-262015-06-272015-03-282014-09-272014-06-282014-03-292013-09-282013-06-292013-03-302012-09-292012-06-302012-03-312011-09-242011-06-252011-03-262010-09-252010-06-262010-03-27
Value3838383839393940414142424241424242434444444545454646464747474747495050
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-09-242016-06-252016-03-262015-09-262015-06-272015-03-282014-09-272014-06-282014-03-292013-09-282013-06-292013-03-302012-09-292012-06-302012-03-312011-09-242011-06-252011-03-262010-09-252010-06-262010-03-27
Value383839393940414142414141424242434344444445454646464646474747495050
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value1.71.610.631.041.271.351.531.581.691.631.511.371.541.010.890.770.950.860.770.690.890.910.920.670.860.820.80.611.30.640.660.580.730.710.760.570.70.640.620.430.50.440.490.34
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareBasic us-gaap:ChangeInAccountingEstimateByType

lstr:DevelopmentOfPriorYearSelfInsuredClaimsEstimates


Earnings
Period End2020-12-262020-09-262020-06-272019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-29
Value0.060.020.060.140.130.030.030.050.060.10.050.040.020.01-0.030.010.03-0.0100.010.06-0.010.010.070.03
Percentage of EarningsPerShareBasic3.51.29.511.09.62.01.93.03.76.63.62.62.01.1-3.51.34.3-1.10.01.19.0-1.21.28.84.9

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value2.42.011.71.610.631.041.271.351.531.581.681.631.511.371.541.010.890.770.940.860.760.690.880.90.920.670.850.820.80.611.30.640.660.570.730.710.760.570.70.640.620.430.50.440.490.34
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareDiluted us-gaap:ChangeInAccountingEstimateByType

lstr:DevelopmentOfPriorYearSelfInsuredClaimsEstimates


Earnings
Period End2021-06-262020-12-262020-09-262020-06-272019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-29
Value0.030.060.020.060.140.130.030.030.050.060.10.050.040.020.01-0.030.010.03-0.0100.010.06-0.010.010.070.03
Percentage of EarningsPerShareDiluted1.23.51.29.511.09.62.01.93.03.76.63.62.62.01.1-3.51.34.3-1.10.01.19.0-1.21.28.84.9

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-31
Value6.0263.2231.1870.723-0.172-0.136-0.920.4150.7551.3074.6824.3283.8223.1533.5950.9450.7850.524-0.4730.1920.490.641.4971.21.0881.1582.0090.8460.9470.641-0.0560.2880.5190.5250.3320.2020.230.2
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating805.6471.20.0101.3-20.6-11.70.031.658.8114.90.0431.9429.0366.20.0132.9129.1126.60.053.8135.0168.40.0342.9320.9327.10.0254.8285.2176.60.078.7139.9140.40.051.456.851.7
Percentage of InterestIncomeOperating us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value937669632831515262646667605763433832383632293738392937363627592929263333352732292920232224
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating12486.011152.90.08832.93449.32691.90.03990.84869.95700.00.06756.56822.76635.10.06058.26259.77870.50.010101.79031.17881.30.010978.311766.78464.10.010994.010909.37525.10.08074.07924.57084.80.08592.68803.27037.00.08034.67605.93945.50.04505.58454.7

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value1449118412121003792874929942965953109711161100973982883810728829729722664786778802713801760756643641633629585642663677606666634627538552587602520
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating193745.7173238.30.0140603.494870.474955.30.071660.575251.183764.70.0111378.7123485.0113081.80.0124272.0133227.6176084.10.0204435.3199033.9174761.10.0222313.1236781.4201607.10.0228938.3227772.0177285.40.0172980.1169750.4156479.40.0168748.6167305.9156656.30.0170201.9159614.2101973.90.0118673.7208314.2182483.5

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-27
Value1211028381315365698080858682746959605162575247616365486058
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating16214.014945.30.011392.73737.14546.10.05313.66246.57037.90.08608.09269.08635.70.08426.29901.212379.50.016110.114381.512379.70.018076.019268.413633.90.017711.7

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value282418196.9511215161916161920164.75917221823211917242324182122211613171815142022151718181211131410
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating3875.33652.90.02725.2832.51041.80.01263.81484.21475.50.01926.52255.31960.50.02459.93731.74557.50.05948.25479.64699.70.06833.77330.15155.10.06641.06605.14575.20.04830.15051.24262.60.05206.15472.64025.60.04997.34655.22406.60.02689.95177.23678.6

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value510.3531812160.0071215353.6241916390.4642020405.464201414330.2092418310.669212036191916271.0352218262.7481716241.2691413
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating6861.851.60.01759.51939.00.60.01193.72771.3318.50.01598.94444.253.90.02831.16594.61319.80.00.04158.09245.755.00.05195.49246.0189.00.06147.311034.05452.30.04416.77484.1276.70.04779.16666.2710.10.04503.56120.4240.30.02795.4

Interest And Debt Expense

us-gaap:InterestAndDebtExpense

us-gaap:InterestAndDebtExpense


Interest
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value967000.01042000.01017000.01008000.0976000.0952000.0863000.0764000.0709000.0805000.0899000.0816000.0839000.0800000.0607000.0657000.0819000.01083000.01069000.0948000.0888000.0889000.0741000.0714000.0713000.0781000.0917000.0774000.0718000.0768000.0844000.0856000.0771000.0740000.0792000.0818000.0770000.0724000.0772000.0735000.0777000.0828000.0924000.01035000.0810000.0854000.0
Percentage of InterestAndDebtExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating129.3152.30.0141.2116.981.60.058.155.370.70.081.494.292.90.092.4134.7261.60.0265.5244.6233.90.0204.0210.3220.60.0233.1216.3211.60.0233.9207.8197.90.0208.1190.1187.10.0197.1197.7156.80.0209.1280.3299.6

Interest Income Operating

us-gaap:InterestIncomeOperating

us-gaap:InterestIncomeOperating


Interest
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value748000.0684000.0683000.0714000.0835000.01167000.01305000.01315000.01283000.01138000.01062000.01002000.0891000.0861000.0765000.0711000.0608000.0414000.0402000.0357000.0363000.0380000.0353000.0350000.0339000.0354000.0354000.0332000.0332000.0363000.0364000.0366000.0371000.0374000.0378000.0393000.0405000.0387000.0411000.0373000.0393000.0528000.0489000.0495000.0289000.0285000.0
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeOperating us-gaap:StatementBusinessSegments

lstr:Insurance


Interest
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value748000.0684000.0683000.0714000.0835000.01167000.01305000.01315000.01283000.01138000.01062000.01002000.0891000.0861000.0765000.0711000.0608000.0414000.0402000.0357000.0363000.0380000.0353000.0350000.0339000.0354000.0354000.0332000.0332000.0363000.0364000.0366000.0371000.0374000.0378000.0393000.0405000.0387000.0411000.0373000.0393000.0528000.0489000.0495000.0289000.0
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating lstr:Insurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292017-09-30
Value900000.0983000.01030000.0978000.01079000.01016000.01088000.01198000.0851000.0919000.0
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating120.3143.7144.3117.192.577.384.8105.384.9129.3

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value92776561244050536163686662576442373239363229373940303836352759293026333335263230292024212417
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 InterestIncomeOperating12338.811292.49527.28667.52904.73504.33835.14049.84762.35563.96427.16685.17017.26680.38464.35969.56169.47822.09844.310161.98901.97680.010723.811242.311938.38478.810873.211070.810820.87613.816361.87990.78201.17160.48988.98422.68853.16937.27939.78085.37531.33905.14928.24404.48455.76026.7

us-gaap:NetIncomeLoss us-gaap:ChangeInAccountingEstimateByType

lstr:DevelopmentOfPriorYearSelfInsuredClaimsEstimates


Net
Period End2021-06-262020-12-262020-09-262020-06-272019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-29
Value0.9622.3180.8512.1355.4845.0011.1311.0671.8272.5314.2931.9311.7530.6990.189-0.0640.236-1.3090.4561.284-0.4130.0290.5152.868-0.2820.233.0011.169
Percentage of NetIncomeLoss1.03.61.48.811.09.41.91.72.73.86.93.42.71.60.5-0.20.6-3.61.44.4-1.10.11.39.6-0.70.68.44.2
Percentage of InterestIncomeOperating128.6339.4119.2255.7420.2380.388.293.8172.0252.6481.8224.3229.298.331.1-15.558.7-366.7125.6337.9-117.08.3151.9810.2-79.769.3903.9322.0
Percentage of InterestIncomeOperating lstr:DevelopmentOfPriorYearSelfInsuredClaimsEstimates0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value1221038482325466708080868783757060615263585347626366496159584539474943495458435049483435353928
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 InterestIncomeOperating16343.315097.712359.011533.93854.04627.75097.25371.76301.77108.68106.28689.49363.28728.69156.78518.610035.912641.115861.916375.614626.212613.717747.318280.019478.813854.517290.717944.917642.212400.610917.913054.613460.111620.913104.513836.914515.811149.912396.613279.612384.26456.87322.77249.713834.69928.1

us-gaap:OperatingIncomeLoss us-gaap:ChangeInAccountingEstimateByType

lstr:DevelopmentOfPriorYearSelfInsuredClaimsEstimates


Operating
Period End2021-06-262020-12-262020-09-262020-06-272019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-29
Value1.2723.0341.1232.8167.1826.5971.4931.4072.3643.3525.6862.5582.8171.1240.307-0.1040.381-2.1180.7382.078-0.6690.0470.8334.641-0.4550.3724.8561.8912.6733.5922.282
Percentage of OperatingIncomeLoss1.03.61.48.810.89.31.81.72.73.86.83.44.01.90.5-0.20.6-3.61.44.3-1.10.11.39.5-0.70.68.34.26.77.54.6
Percentage of InterestIncomeOperating170.1444.2157.3337.2550.3501.7116.4123.6222.6334.5638.2297.1368.2158.150.5-25.194.8-593.3203.3546.8-189.513.4245.71311.0-128.5112.01462.7520.9734.3981.4615.1
Percentage of InterestIncomeOperating lstr:DevelopmentOfPriorYearSelfInsuredClaimsEstimates0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

lstr:Insurance


Operating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value1213111010-1.0398.5445.7912139.8386.194.4287.8539.1276.386108.229.294106.9178.3079.645108.655.315117.9515.3546.035.4145.5747.4946.926.804109.0576.7548.3458.2794.3585.9097.7564.7785.157
Percentage of OperatingIncomeLoss9.813.113.612.933.3-1.912.88.215.516.511.47.15.310.413.010.517.415.714.618.713.017.315.416.013.110.818.213.39.113.413.611.715.015.913.719.315.415.716.416.79.017.321.713.312.9
Percentage of InterestIncomeOperating1607.01978.91679.61484.61282.3-89.0654.7440.3975.41169.9926.4617.8497.0912.11193.1898.21746.71985.52311.93058.81905.52186.12732.32918.02551.61501.43142.12394.91612.71661.21487.41523.02019.91850.31800.02671.22236.31745.22030.42219.61108.91119.11586.1965.31784.4
Percentage of InterestIncomeOperating lstr:Insurance1607.01978.91679.61484.61282.3-89.0654.7440.3975.41169.9926.4617.8497.0912.11193.1898.21746.71985.52311.93058.81905.52186.12732.32918.02551.61501.43142.12394.91612.71661.21487.41523.02019.91850.31800.02671.22236.31745.22030.42219.61108.91119.11586.1965.31784.4

lstr:TransportationLogistics


Operating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value1108972712155576468677680786760545044544746395353574350515338294242364243493642414428283134
Percentage of OperatingIncomeLoss90.286.986.487.166.7101.987.291.884.583.588.692.994.789.687.089.582.684.385.481.387.082.784.684.086.989.281.886.790.986.675.588.385.084.186.380.784.684.383.683.391.082.778.386.787.1
Percentage of InterestIncomeOperating14736.413118.710679.410049.32571.74716.74442.54931.45326.35938.87179.88071.78866.27816.57963.77620.48289.110655.613550.013316.812720.710427.615015.015362.016927.112353.114148.615550.016029.510739.48240.911531.711440.29770.611304.511165.612279.59404.710366.211060.111275.35337.75736.66284.412050.2
Percentage of InterestIncomeOperating lstr:TransportationLogistics0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-25
Value1450000.0-420000.03787000.0908000.01732000.0-7902000.01571000.0-1083000.0571000.0554000.0-1396000.0708000.0-1580000.0341000.0545000.0448000.0137000.0-280000.0-181000.0254000.0583000.0-476000.0-930000.0-418000.0-280000.0-716000.0-61000.0175000.0-432000.0-334000.0126000.0-285000.0-225000.0-114000.0421000.0-268000.0204000.0-340000.0-44000.07000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating193.9-61.4554.5127.2207.4-677.1120.4-82.444.548.7-131.570.7-177.339.676.773.733.1-69.7-50.770.0153.4-134.8-265.7-123.3-79.1-202.3-18.452.7-119.0-91.834.4-76.8-60.2-30.2107.1-66.252.7-82.7-11.81.8

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-25
Value1101000.0-954000.01181000.04548000.0-9481000.0-776000.01381000.01699000.0-1410000.0974000.0-2015000.0-12000.0-1798000.0631000.0549000.0201000.0-620000.0-215000.0469000.0765000.0-745000.0-924000.0-582000.0-52000.0-890000.0-255000.0294000.0-322000.0-378000.0305000.0-1026000.0-283000.0-209000.0668000.0-202000.0386000.0-471000.0-189000.0293000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating147.2-139.5165.4544.7-812.4-59.0107.6149.3-132.897.2-226.2-1.4-235.088.790.348.6-154.2-60.2129.2201.3-211.0-264.0-171.7-14.7-251.4-76.888.6-88.7-103.883.3-276.5-75.7-55.3170.0-49.999.7-114.6-50.774.6

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-28
Value1101000.0-954000.01181000.04548000.0-9481000.0-776000.01381000.01549000.0-1306000.0715000.0-1733000.0-389000.0-1454000.0631000.0549000.0201000.0-620000.0-215000.0469000.0765000.0-745000.0-924000.0-582000.0-52000.0-890000.0-255000.0294000.0-322000.0-378000.0305000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.091.292.673.486.03241.780.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating147.2-139.5165.4544.7-812.4-59.0107.6136.1-123.071.4-194.5-45.2-190.188.790.348.6-154.2-60.2129.2201.3-211.0-264.0-171.7-14.7-251.4-76.888.6-88.7-103.883.3
Percentage of InterestIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value9277656124405053616368666257644237323936322959293026333335263230292023212416
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating12338.811292.49527.28667.52904.73504.33835.14049.84762.35562.46431.36681.47013.76675.18455.35966.26169.47822.09844.310161.98901.97680.016361.87990.78201.17160.48988.98422.68853.16937.27939.78085.37531.33893.44883.24350.78377.25949.8

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value92776124405361636866625764592930263333352632302920
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.099.9100.1100.0100.1100.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.3
Percentage of InterestIncomeOperating12338.811292.48667.52904.73504.34049.84762.35563.96427.16685.17017.26680.38464.316361.87990.78201.17160.48988.98422.68853.16937.27939.78085.37531.33905.1
Percentage of InterestIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value157012871296108582392799410111045103311821202118210471051943870780892787775711848841868762862819814688691680679628691717735649717684675571587622641548
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating209989.0188236.0189803.1152037.398624.479482.976235.976932.281452.890773.3111332.5119968.2132748.1121710.3137463.0132690.6143163.5188625.1222096.8220710.9213560.1187274.7240397.2240493.1256160.2215361.6243737.3246783.1245314.2189586.0190103.0185934.7183110.5168000.3182872.0182485.5181721.7167706.2174579.6183381.5171898.5108330.7120150.3125823.4222048.8192311.6

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:ContractWithCustomerSalesChannel

lstr:LessThanTruckload, lstr:BcoIndependentContractorTruckAndBrokerageCarriersTruck


Revenue
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-28
Value2925262522222425
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.02.02.32.82.52.52.5
Percentage of InterestIncomeOperating3885.33752.93889.03518.92744.71965.81904.11929.0
Percentage of InterestIncomeOperating lstr:LessThanTruckload lstr:BcoIndependentContractorTruckAndBrokerageCarriersTruck0.00.00.00.00.00.00.00.0

lstr:UnsidedPlatformEquipment, lstr:BcoIndependentContractorTruckAndBrokerageCarriersTruck


Revenue
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-28
Value444340354314247286315331
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.326.527.329.030.030.931.732.8
Percentage of InterestIncomeOperating59391.849800.051846.044043.629627.324535.424153.425231.0
Percentage of InterestIncomeOperating lstr:UnsidedPlatformEquipment lstr:BcoIndependentContractorTruckAndBrokerageCarriersTruck0.00.00.00.00.00.00.00.0

lstr:VanEquipment, lstr:BcoIndependentContractorTruckAndBrokerageCarriersTruck


Revenue
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-28
Value970827821666483545571575
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax61.864.263.361.458.758.857.556.8
Percentage of InterestIncomeOperating129796.0120933.8120208.593358.857847.546727.243813.643729.4
Percentage of InterestIncomeOperating lstr:VanEquipment lstr:BcoIndependentContractorTruckAndBrokerageCarriersTruck0.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value157012871296108582392799410111045103311821202118210471051943870780892787775711848841868762862819814688691680679628691717735649717684675571587622641548
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 InterestIncomeOperating209989.0188236.0189803.1152037.398624.479482.976235.976932.281452.890773.3111332.5119968.2132748.1121710.3137463.0132690.6143163.5188625.1222096.8220710.9213560.1187274.7240397.2240493.1256160.2215361.6243737.3246783.1245314.2189586.0190103.0185934.7183110.5168000.3182872.0182485.5181721.7167706.2174579.6183381.5171898.5108330.7120150.3125823.4222048.8192311.6

us-gaap:Revenues us-gaap:StatementBusinessSegments

lstr:Insurance


Revenuesus-gaap:
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value171714141313131414141313121212111111111111111111101010109.6239.3449.3229.1319.0629.049.1729.0878.8318.7718.828.5978.4078.5198.618.5538.502
Percentage of Revenues1.11.31.11.31.71.51.41.41.41.41.21.11.11.21.11.21.31.51.31.51.51.61.41.31.31.41.21.21.21.41.31.31.31.41.31.31.21.41.21.31.21.51.51.41.3
Percentage of InterestIncomeOperating2361.02490.52180.41984.91642.61172.41063.01072.71108.71233.71304.41331.71443.91426.91576.11650.91912.32792.32932.33232.83182.13037.93271.13236.93231.32989.82937.63015.42898.52574.12561.02494.82442.62417.12426.52312.22180.52266.42146.02304.82139.21613.41760.71727.92941.9
Percentage of InterestIncomeOperating lstr:Insurance2361.02490.52180.41984.91642.61172.41063.01072.71108.71233.71304.41331.71443.91426.91576.11650.91912.32792.32932.33232.83182.13037.93271.13236.93231.32989.82937.63015.42898.52574.12561.02494.82442.62417.12426.52312.22180.52266.42146.02304.82139.21613.41760.71727.92941.9

lstr:TransportationLogistics


Revenuesus-gaap:
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value15531270128110718099139819971030101811681188116910351039931858769881776763700837830857751852809804678667671670619682708727640708675667563578614633
Percentage of Revenues98.998.798.998.798.398.598.698.698.698.698.898.998.998.898.998.898.798.598.798.598.598.498.698.798.798.698.898.898.898.696.498.798.798.698.798.798.898.698.898.798.898.598.598.698.7
Percentage of InterestIncomeOperating207628.1185745.5187622.7150052.496981.878310.575173.075859.580344.289539.6110028.1118636.4131304.3120283.4135886.9131039.7141251.2185832.9219164.4217478.2210378.0184236.8237126.1237256.3252928.9212371.8240799.7243767.8242415.7187011.8183317.6183439.9180667.9165583.2180445.5180173.3179541.2165439.8172433.6181076.7169759.3106717.2118389.6124095.6219106.9
Percentage of InterestIncomeOperating lstr:TransportationLogistics0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value54454238404538384141474648454743403837343634373637374136363526343535393737384039353738413636
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating7234.56638.66274.45441.34862.43884.12930.02901.33218.83626.44450.54660.65499.25255.66196.66187.86720.69256.89210.99717.610166.79108.910738.510517.411132.210522.011774.910908.111069.99807.27277.59356.39636.19418.710489.49530.59299.310025.69891.710511.09104.87057.67810.68297.012793.412927.4

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value170315741653139212721236142713851348135013801390130813201352126311591106109610279849579989539469471044980962944970950892885879909883811808803744714683648
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

lstr:Insurance


Assetsus-gaap:
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-26
Value351258205219182148126215171161107124
Percentage of Assets21.318.114.916.216.714.912.122.219.520.015.719.1
Percentage of Assets21.318.114.916.216.714.912.122.219.520.015.719.1
Percentage of Assets lstr:Insurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lstr:TransportationLogistics


Assetsus-gaap:
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-26
Value1301116811751132913849917754708647576524
Percentage of Assets78.781.985.183.883.385.187.977.880.580.084.380.9
Percentage of Assets78.781.985.183.883.385.187.977.880.580.084.380.9
Percentage of Assets lstr:TransportationLogistics100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value170315741653139212721236142713851348135013801390130813201352126311591106109610279849579989539469471044980962944970950892885879909883811808803744714683648
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value830762691705649627721755728728686723657702650650609573542506497482466478469484488495460443454423392407379371347328300278282262251268
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.748.541.850.751.050.750.554.654.053.949.752.050.253.248.151.552.651.949.549.350.550.446.750.249.651.146.850.647.846.946.844.544.046.143.140.839.440.537.234.738.036.736.841.3

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242015-12-262014-12-272013-12-28
Value1.9252.2742.8082.632.357-0.4591.121.1820.8750.065-0.93-1.02-1.027-0.874-0.1440.180.094-0.007-0.0710.269-0.0940.1050.244
Percentage of StockholdersEquity0.20.30.40.40.4-0.10.20.20.10.0-0.1-0.1-0.2-0.1-0.00.00.0-0.0-0.00.1-0.00.00.1
Percentage of Assets0.10.10.20.20.2-0.00.10.10.10.0-0.1-0.1-0.1-0.1-0.00.00.0-0.0-0.00.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value-1.852-2.953-1.999-5.964-7.145-11.693-2.212-3.721-2.945-4.326-5.875-4.569-5.284-3.551-3.162-1.708-2.339-2.888-3.089-2.469-2.254-2.723-3.488-2.743-1.819-1.237-1.185-0.295-0.04-0.334-0.0120.3660.0611.0871.371.5790.9111.1130.7270.8810.498
Percentage of StockholdersEquity-0.2-0.4-0.3-0.8-1.1-1.9-0.3-0.5-0.4-0.6-0.9-0.6-0.8-0.5-0.5-0.3-0.4-0.5-0.6-0.5-0.5-0.6-0.7-0.6-0.4-0.3-0.2-0.1-0.0-0.1-0.00.10.00.30.40.40.30.30.20.30.2
Percentage of Assets-0.1-0.2-0.1-0.4-0.6-0.9-0.2-0.3-0.2-0.3-0.4-0.3-0.4-0.3-0.2-0.1-0.2-0.3-0.3-0.2-0.2-0.3-0.3-0.3-0.2-0.1-0.1-0.0-0.0-0.0-0.00.00.00.10.20.20.10.10.10.10.1
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242015-12-262014-12-272013-12-28
Value-3.777-5.227-4.807-8.594-9.502-11.234-3.332-4.903-3.82-4.391-4.945-3.549-4.257-2.677-3.018-1.888-2.433-2.881-3.018-2.738-3.394-1.29-0.256
Percentage of StockholdersEquity-0.5-0.7-0.7-1.2-1.5-1.8-0.5-0.6-0.5-0.6-0.7-0.5-0.6-0.4-0.5-0.3-0.4-0.5-0.6-0.5-0.7-0.3-0.1
Percentage of Assets-0.2-0.3-0.3-0.6-0.7-0.9-0.2-0.4-0.3-0.3-0.4-0.3-0.3-0.2-0.2-0.1-0.2-0.3-0.3-0.3-0.3-0.1-0.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-09-262020-06-272020-03-282019-12-282017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value226225224226203201199198197195195193191189189186183180179178177175173172170168165169161
Percentage of StockholdersEquity32.234.735.931.333.435.236.839.239.740.642.040.440.739.138.737.539.940.839.642.345.243.145.846.449.151.455.167.260.2
Percentage of Assets16.317.718.215.817.518.318.219.320.120.419.620.320.220.018.119.019.119.218.518.819.919.919.819.019.420.820.524.824.9
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2020-09-262020-06-272020-03-282019-12-282017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value0.6820.6820.6820.6810.6770.6770.6760.6750.6750.6750.6740.6740.6740.6730.6730.6720.6720.6710.670.670.670.670.6690.6690.6690.6680.6660.6650.663
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.10.20.20.20.20.20.20.20.20.30.2
Percentage of Assets0.00.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2020-09-262020-06-272020-03-282019-12-282017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value2065201219951962157515411512147714441415138913551319128212551264123111971173112911001069104210351004971947844766
Percentage of StockholdersEquity292.8310.0318.1272.0258.5268.7278.9291.5290.5293.5298.1283.2281.1264.8257.1255.2267.6270.3258.1266.8280.5262.3274.9278.7288.9295.9315.1335.3285.8
Percentage of Assets148.4158.2161.4137.4135.9139.4138.0143.7146.7147.9139.3142.2139.4135.3120.2129.0127.9126.9120.8118.8123.3120.9118.6113.8113.7119.7117.2123.4118.1
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2020-09-262020-06-272020-03-282019-12-282017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value-1581.961-1581.921-1581.885-1465.284-1167.6-1167.6-1167.437-1167.391-1143.36-1126.993-1116.765-1068.267-1040.248-986.913-955.613-955.613-955.442-936.101-899.028-886.135-886.135-839.532-839.517-838.273-829.443-813.691-813.684-763.182-660.446
Percentage of StockholdersEquity-224.2-243.7-252.3-203.1-191.6-203.5-215.2-230.4-229.9-233.6-239.5-223.2-221.6-203.8-195.7-192.8-207.7-211.2-197.8-209.4-225.9-205.9-221.2-225.7-238.5-247.8-270.7-303.1-246.4
Percentage of Assets-113.6-124.4-127.9-102.6-100.7-105.6-106.5-113.6-116.1-117.7-111.9-112.1-109.9-104.1-91.5-97.5-99.3-99.2-92.6-93.2-99.3-94.9-95.5-92.2-93.9-100.2-100.6-111.6-101.8
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value123311371208964840816997970939944971999928928961877793749737668656636662655656640732662673658682623573597591619602537551558502466420426
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets72.472.273.169.266.166.069.970.169.669.970.471.870.970.371.169.568.567.767.265.166.766.566.468.869.467.670.167.669.969.770.365.564.267.567.368.168.266.268.369.567.565.361.565.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-272009-12-262008-12-272007-12-29
Value1862192492182451773192842502641992131482202422492222151781701531561141088211416314093114180976790747964538069394544554582859860
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.913.915.115.719.314.322.420.518.619.614.515.411.416.717.919.819.219.516.316.615.616.311.511.48.712.115.714.39.712.118.610.37.610.38.48.87.36.610.08.65.36.36.50.00.00.013.20.00.0

Short Term Investments

us-gaap:ShortTermInvestments

us-gaap:ShortTermInvestments


Short
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value5241413936333231353940404039484551626656616148484837373736353434344835383631272830302324
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.12.62.52.82.92.72.32.32.63.02.92.93.13.03.63.64.45.66.15.56.26.44.95.15.23.93.53.83.83.83.63.63.95.54.04.24.13.93.53.54.14.33.43.7

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value902824764637489562588598594601691702688631631546480439463409402383462462481447492455460411378394391378408429423377368388385344307278
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.052.446.245.838.545.541.243.244.144.550.150.552.647.946.743.341.439.742.239.840.940.046.448.550.947.247.246.547.843.639.041.543.942.846.547.347.946.645.648.351.848.244.943.0

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value41111827417.624213032101624299.3731416198.0951015207.52918172211231628141418231418202313211921152119
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.40.71.12.03.30.61.52.22.40.81.21.72.30.71.11.31.70.70.91.52.10.81.81.82.41.22.31.73.01.61.52.02.61.72.12.22.61.72.62.42.82.13.23.0

Land

us-gaap:Land

us-gaap:Land


Land
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value16151515159.1489.1489.1487.9827.9827.982
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.11.11.40.90.90.90.91.01.2

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value596566534494463408362335317287270
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.139.738.736.642.240.934.834.536.235.639.6

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value321309299291288286280274264256250241232224218210202195190187187185182175169165160157160160157157155161158154150149145147146142137124
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.919.718.120.922.623.219.719.819.619.018.117.417.817.016.216.617.417.717.418.319.119.318.318.417.917.415.416.116.717.016.316.617.418.218.117.017.118.418.018.319.719.920.219.2

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value281288296279284276285270269276284268256265276261259263272261236228225195190197202203175171177184179161158163152144142128123127132116
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.518.318.020.122.422.420.019.520.020.420.619.319.620.120.420.722.423.824.925.524.023.922.620.520.120.819.420.818.218.218.319.420.118.218.118.017.217.817.616.016.617.919.418.0

Long Term Investments

us-gaap:LongTermInvestments us-gaap:InvestmentType

us-gaap:LongTermInvestments

lstr:NonCurrentInvestments


Long
Period End2021-06-262021-03-272020-12-262020-09-26
Value119818182
Percentage of LongTermInvestments100.0100.0100.0100.0
Percentage of Assets7.05.24.95.9
Percentage of Assets lstr:NonCurrentInvestments0.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262009-12-26
Value40404040403738383838383838393939313131313131313131313131313131575757575757575757575757575757
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.62.52.93.13.02.72.82.82.82.82.83.03.02.93.22.72.82.83.03.23.33.13.33.33.33.03.23.23.33.26.06.46.56.56.36.57.17.17.27.78.08.40.00.08.9

us-gaap:Goodwill us-gaap:StatementBusinessSegments

lstr:TransportationLogistics


Goodwillus-gaap:
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262009-12-26
Value40404040403738383838383838393939313131313131313131313131313131575757575757575757575757575757
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.62.52.93.13.02.72.82.82.82.82.83.03.02.93.22.72.82.83.03.23.33.13.33.33.33.03.23.23.33.26.06.46.56.56.36.57.17.17.27.78.08.40.00.08.9
Percentage of Assets lstr:TransportationLogistics0.00.03.10.00.00.03.30.00.00.03.30.00.00.03.40.00.00.03.40.00.00.03.70.00.00.03.40.00.00.04.10.00.00.08.10.00.00.08.90.00.00.010.00.00.011.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets


Operating
Period End2021-06-262021-03-272020-12-262020-09-262019-12-282019-09-282019-06-292019-03-30
Value2332000.02440000.02595000.02391000.02745000.02783000.02929000.0589000.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.20.20.20.0
Percentage of Assets us-gaap:OtherAssets0.00.00.00.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value1471081071081061061051061019286858586768475625565606178716878788383837985816871687172575960627248
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.76.96.57.88.48.67.47.77.56.86.36.16.66.65.66.76.55.75.06.46.26.47.87.57.38.37.58.58.68.88.29.09.27.88.17.58.18.97.17.48.28.710.77.4

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value481414380339273272271285285273314313311282285269224200219201191172223205216196220203195171157194188179188212203165163180175160137121
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.326.323.024.421.522.019.120.621.220.222.822.623.821.421.121.319.418.120.019.619.418.022.421.622.920.721.120.720.318.116.320.421.120.221.523.423.120.420.222.523.622.520.118.7

Dividends Payable Current

us-gaap:DividendsPayableCurrent

us-gaap:DividendsPayableCurrent


Dividends
Period End2020-12-262019-12-282014-12-272013-12-28
Value76784415
Percentage of DividendsPayableCurrent100.0100.0100.0100.0
Percentage of Assets4.65.54.31.6

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value720662806543473464552483474473535515508472548446386368380350334322369343346325410342372376375371341334344372361320331363316302278258
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.342.148.739.037.237.638.734.935.235.038.837.038.935.840.635.433.333.334.734.134.033.637.036.136.634.439.334.938.739.838.739.038.337.839.241.040.939.541.045.342.542.340.739.9

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherCurrentLiabilities


Operating
Period End2021-06-262021-03-272020-12-262020-09-26
Value724000.0728000.0739000.0640000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:OtherCurrentLiabilities0.00.00.00.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value95101884746415126274253535162476856475348445447534142514342627032334138454643486853555342
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.66.45.43.43.73.33.61.92.13.13.83.93.94.73.55.54.94.34.94.74.55.74.85.64.44.44.94.44.46.67.23.53.74.74.35.05.35.45.98.57.17.77.96.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseLiabilityNoncurrent

lstr:DeferredIncomeTaxesAndOtherNoncurrentLiabilities


Operating
Period End2021-06-262021-03-272020-12-262020-09-26
Value1608000.01712000.01856000.01751000.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1
Percentage of Assets lstr:DeferredIncomeTaxesAndOtherNoncurrentLiabilities0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-262021-03-272020-12-262020-09-26
Value615000.0600000.0697000.0653000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-262021-03-272020-12-262020-09-26
Value529000.0516000.0612000.0523000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-262021-03-272020-12-262020-09-26
Value284000.0275000.0528000.0454000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-26
Value216000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-262021-03-272020-12-262020-09-262019-12-28
Value2332000.02440000.02595000.02391000.02745000.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.2

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-262021-03-272020-12-262020-09-26
Value2514000.02641000.02815000.02601000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets0.10.20.20.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-262021-03-272020-12-262020-09-26
Value182000.0201000.0220000.0210000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value830762691705649627721755728728686723657702650650609573542506497482466478469484488495460443454423392407379371347328300278282262251268
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.748.541.850.751.050.750.554.654.053.949.752.050.253.248.151.552.651.949.549.350.550.446.750.249.651.146.850.647.846.946.844.544.046.143.140.839.440.537.234.738.036.736.841.3

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242015-12-262014-12-272013-12-28
Value1.9252.2742.8082.632.357-0.4591.121.1820.8750.065-0.93-1.02-1.027-0.874-0.1440.180.094-0.007-0.0710.269-0.0940.1050.244
Percentage of StockholdersEquity0.20.30.40.40.4-0.10.20.20.10.0-0.1-0.1-0.2-0.1-0.00.00.0-0.0-0.00.1-0.00.00.1
Percentage of Assets0.10.10.20.20.2-0.00.10.10.10.0-0.1-0.1-0.1-0.1-0.00.00.0-0.0-0.00.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value-1.852-2.953-1.999-5.964-7.145-11.693-2.212-3.721-2.945-4.326-5.875-4.569-5.284-3.551-3.162-1.708-2.339-2.888-3.089-2.469-2.254-2.723-3.488-2.743-1.819-1.237-1.185-0.295-0.04-0.334-0.0120.3660.0611.0871.371.5790.9111.1130.7270.8810.498
Percentage of StockholdersEquity-0.2-0.4-0.3-0.8-1.1-1.9-0.3-0.5-0.4-0.6-0.9-0.6-0.8-0.5-0.5-0.3-0.4-0.5-0.6-0.5-0.5-0.6-0.7-0.6-0.4-0.3-0.2-0.1-0.0-0.1-0.00.10.00.30.40.40.30.30.20.30.2
Percentage of Assets-0.1-0.2-0.1-0.4-0.6-0.9-0.2-0.3-0.2-0.3-0.4-0.3-0.4-0.3-0.2-0.1-0.2-0.3-0.3-0.2-0.2-0.3-0.3-0.3-0.2-0.1-0.1-0.0-0.0-0.0-0.00.00.00.10.20.20.10.10.10.10.1
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242015-12-262014-12-272013-12-28
Value-3.777-5.227-4.807-8.594-9.502-11.234-3.332-4.903-3.82-4.391-4.945-3.549-4.257-2.677-3.018-1.888-2.433-2.881-3.018-2.738-3.394-1.29-0.256
Percentage of StockholdersEquity-0.5-0.7-0.7-1.2-1.5-1.8-0.5-0.6-0.5-0.6-0.7-0.5-0.6-0.4-0.5-0.3-0.4-0.5-0.6-0.5-0.7-0.3-0.1
Percentage of Assets-0.2-0.3-0.3-0.6-0.7-0.9-0.2-0.4-0.3-0.3-0.4-0.3-0.3-0.2-0.2-0.1-0.2-0.3-0.3-0.3-0.3-0.1-0.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-09-262020-06-272020-03-282019-12-282017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value226225224226203201199198197195195193191189189186183180179178177175173172170168165169161
Percentage of StockholdersEquity32.234.735.931.333.435.236.839.239.740.642.040.440.739.138.737.539.940.839.642.345.243.145.846.449.151.455.167.260.2
Percentage of Assets16.317.718.215.817.518.318.219.320.120.419.620.320.220.018.119.019.119.218.518.819.919.919.819.019.420.820.524.824.9
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2020-09-262020-06-272020-03-282019-12-282017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value0.6820.6820.6820.6810.6770.6770.6760.6750.6750.6750.6740.6740.6740.6730.6730.6720.6720.6710.670.670.670.670.6690.6690.6690.6680.6660.6650.663
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.10.20.20.20.20.20.20.20.20.30.2
Percentage of Assets0.00.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2020-09-262020-06-272020-03-282019-12-282017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value2065201219951962157515411512147714441415138913551319128212551264123111971173112911001069104210351004971947844766
Percentage of StockholdersEquity292.8310.0318.1272.0258.5268.7278.9291.5290.5293.5298.1283.2281.1264.8257.1255.2267.6270.3258.1266.8280.5262.3274.9278.7288.9295.9315.1335.3285.8
Percentage of Assets148.4158.2161.4137.4135.9139.4138.0143.7146.7147.9139.3142.2139.4135.3120.2129.0127.9126.9120.8118.8123.3120.9118.6113.8113.7119.7117.2123.4118.1
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2020-09-262020-06-272020-03-282019-12-282017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312010-12-252009-12-26
Value-1581.961-1581.921-1581.885-1465.284-1167.6-1167.6-1167.437-1167.391-1143.36-1126.993-1116.765-1068.267-1040.248-986.913-955.613-955.613-955.442-936.101-899.028-886.135-886.135-839.532-839.517-838.273-829.443-813.691-813.684-763.182-660.446
Percentage of StockholdersEquity-224.2-243.7-252.3-203.1-191.6-203.5-215.2-230.4-229.9-233.6-239.5-223.2-221.6-203.8-195.7-192.8-207.7-211.2-197.8-209.4-225.9-205.9-221.2-225.7-238.5-247.8-270.7-303.1-246.4
Percentage of Assets-113.6-124.4-127.9-102.6-100.7-105.6-106.5-113.6-116.1-117.7-111.9-112.1-109.9-104.1-91.5-97.5-99.3-99.2-92.6-93.2-99.3-94.9-95.5-92.2-93.9-100.2-100.6-111.6-101.8
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-262021-03-272020-12-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272011-12-312011-09-242011-06-252011-03-262010-12-252009-12-262008-12-272007-12-29
Value830762691649627721755728728689726660706653653542466488300278282262250268253180
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.748.541.851.050.750.554.654.053.949.952.250.553.548.351.849.546.746.837.234.738.036.736.741.30.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-262021-03-272020-12-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272011-12-312011-09-242011-06-252011-03-262010-12-252009-12-262008-12-272007-12-29
Value-1.852-2.953-1.999-7.145-11.693-2.212-3.721-2.945-4.326-5.875-4.569-5.284-3.551-3.162-1.708-3.089-3.488-1.1850.7271.1981.3871.0940.8810.498-0.5610.057
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.2-0.4-0.3-1.1-1.9-0.3-0.5-0.4-0.6-0.9-0.6-0.8-0.5-0.5-0.3-0.6-0.7-0.20.20.40.50.40.40.2-0.20.0
Percentage of Assets-0.1-0.2-0.1-0.6-0.9-0.2-0.3-0.2-0.3-0.4-0.3-0.4-0.3-0.2-0.1-0.3-0.3-0.10.10.10.20.20.10.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-262021-03-272020-12-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272011-12-312011-09-242011-06-252011-03-262010-12-252009-12-262008-12-272007-12-29
Value238232228225224226225224223226221216211209205199195189165164163161169161154132
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest28.730.533.134.735.931.329.930.830.732.930.532.730.032.131.436.842.038.755.159.257.861.667.460.161.073.5
Percentage of Assets14.014.813.817.718.215.816.316.616.516.415.916.516.115.516.318.219.618.120.520.521.922.624.824.90.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-262021-03-272020-12-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272011-12-312011-09-242011-06-252011-03-262010-12-252009-12-262008-12-272007-12-29
Value0.6820.6820.6820.6820.6820.6810.6810.6810.680.6790.6790.6780.6780.6770.6770.6760.6740.6730.6660.6660.6660.6660.6650.6630.6610.656
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.30.30.20.30.4
Percentage of Assets0.00.00.00.10.10.00.00.10.10.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-262021-03-272020-12-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272011-12-312011-09-242011-06-252011-03-262010-12-252009-12-262008-12-272007-12-29
Value219921152046201219951962199819521897184117791719166316111613151213891255947917889862844766704601
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest265.0277.3295.8310.0318.1272.0264.3268.1260.6267.2245.1260.2235.5246.4246.7278.9298.1257.1315.1329.3314.9328.6336.4285.7278.2332.7
Percentage of Assets129.1134.4123.7158.2161.4137.4144.2144.8140.5133.4128.0131.4126.0119.1127.7138.0139.3120.2117.2114.2119.5120.7123.4118.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-262021-03-272020-12-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272011-12-312011-09-242011-06-252011-03-262010-12-252009-12-262008-12-272007-12-29
Value-1606.716-1582.818-1581.961-1581.921-1581.885-1465.284-1465.284-1446.425-1389.612-1376.111-1273.512-1273.489-1169.458-1167.6-1167.6-1167.437-1116.765-955.613-813.684-805.189-772.489-763.223-763.182-660.446-605.828-554.252
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-193.5-207.5-228.7-243.7-252.3-203.1-193.8-198.6-190.8-199.7-175.4-192.7-165.6-178.6-178.5-215.2-239.5-195.7-270.7-289.1-273.5-290.8-304.1-246.3-239.3-306.6
Percentage of Assets-94.3-100.5-95.7-124.4-127.9-102.6-105.7-107.2-102.9-99.7-91.6-97.3-88.6-86.3-92.4-106.5-111.9-91.5-100.6-100.2-103.8-106.8-111.6-101.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value682000.0682000.0682000.0682000.0682000.0682000.0681000.0681000.0681000.0680000.0679000.0679000.0678000.0678000.0677000.0677000.0677000.0677000.0676000.0675000.0675000.0675000.0674000.0674000.0674000.0673000.0673000.0672000.0672000.0671000.0670000.0670000.0670000.0670000.0669000.0669000.0669000.0668000.0666000.0666000.0666000.0666000.0665000.0663000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.10.10.00.00.10.10.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value238232228226225224226225224223226221216211209205203201199198197195195193191189189186183180179178177175173172170168165164163161169161
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.014.813.816.317.718.215.816.316.616.516.415.916.516.115.516.317.518.318.219.320.120.419.620.320.220.018.119.019.119.218.518.819.919.919.819.019.420.820.520.521.922.624.824.9

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value2199211520462065201219951962199819521897184117791719166316111613157515411512147714441415138913551319128212551264123111971173112911001069104210351004971947917889862844766
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets129.1134.4123.7148.4158.2161.4137.4144.2144.8140.5133.4128.0131.4126.0119.1127.7135.9139.4138.0143.7146.7147.9139.3142.2139.4135.3120.2129.0127.9126.9120.8118.8123.3120.9118.6113.8113.7119.7117.2114.2119.5120.7123.4118.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value-1852000.0-2953000.0-1999000.0-5964000.0-7145000.0-11693000.0-2212000.0-3721000.0-2945000.0-4326000.0-5875000.0-4569000.0-5284000.0-3551000.0-3162000.0-1708000.0-2339000.0-2888000.0-3089000.0-2469000.0-2254000.0-2723000.0-3488000.0-2743000.0-1819000.0-1237000.0-1185000.0-295000.0-40000.0-334000.0-12000.0366000.061000.01087000.01370000.01579000.0911000.01113000.0727000.01198000.01387000.01094000.0881000.0498000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.2-0.1-0.4-0.6-0.9-0.2-0.3-0.2-0.3-0.4-0.3-0.4-0.3-0.2-0.1-0.2-0.3-0.3-0.2-0.2-0.3-0.3-0.3-0.2-0.1-0.1-0.0-0.0-0.0-0.00.00.00.10.20.20.10.10.10.10.20.20.10.1

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value1606158215811581158115811465146514461389137612731273116911671167116711671167116711431126111610681040986955955955936899886886839839838829813813805772763763660
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets94.3100.595.7113.6124.4127.9102.6105.7107.2102.999.791.697.388.686.392.4100.7105.6106.5113.6116.1117.7111.9112.1109.9104.191.597.599.399.292.693.299.394.995.592.293.9100.2100.6100.2103.8106.8111.6101.8

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value6.8644.0291.490.570.6311.1021.431.9385.2534.9014.3923.714.0611.4231.2430.9940.0290.6520.9661.11.9861.6961.5761.6672.5791.4191.6351.1640.7781.1411.3741.6181.5361.4271.6611.5251.2291.311.2681.205
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value6.8644.0291.490.570.6311.1021.431.9385.2534.9014.3923.714.0611.4231.2430.9940.0290.6520.9661.11.9861.6961.5761.6672.5791.4191.6351.1640.7781.1411.3741.6181.5361.4271.6611.5251.2291.311.2681.205
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value676925-12.8379999477662121939141726.699524731522248341933606.8631640422.13824
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating8995.310218.03685.1-1797.911876.58501.83611.25828.04883.910669.28822.69099.44604.68362.6875.77379.012853.08606.714126.75899.212334.68616.85145.28184.916334.31746.33144.78277.18492.1739.88459.3

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value-54351000.0-4335000.0-4674000.0-6479000.0-12812000.0-4454000.0-4616000.0-6468000.0-4058000.0-3414000.0-2374000.0-3384000.0-206000.0-2230000.0-7165000.0-10202000.0-4842000.03445000.0-10229000.0-2408000.0885000.0-2433000.0-17255000.02439000.03089000.01569000.01712000.03377000.0-904000.0-29579000.0-23614000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating-7266.2-633.8-684.3-907.4-1534.4-381.7-353.7-491.9-316.3-300.0-223.5-337.7-23.1-259.0-936.6-1434.9-1323.0928.6-2735.0-637.0225.2-600.7-4458.7593.4828.2399.2324.2690.6-182.6-10234.9-8285.6

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value-46738000.0-95773000.08436000.0-8156000.0-18849000.0-233460000.0-8123000.0-35384000.0-73433000.0-53625000.0-104260000.0-23047000.0-112110000.0-91265000.0-6757000.0-15169000.0-12248000.0-58399000.0-25882000.0-25454000.0-34215000.0-21416000.0-30147000.0-24248000.0-34107000.0-14125000.0-17998000.0-54332000.0-31152000.0-9928000.0-3821000.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating-6248.4-14001.91235.1-1142.3-2257.4-20005.4-622.5-2690.8-5723.5-4712.2-9817.3-2300.1-12582.2-10599.9-883.3-2133.5-3346.4-15741.0-6920.3-6733.9-8706.1-5287.9-7789.9-5899.8-9144.0-3594.1-3408.7-11110.8-6293.3-3435.3-1340.7

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-29
Value-32.985-29.96530-26.91768-142.2913534-14.41364-14.238
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating-4409.8-4380.84509.5-3769.98173.3-12192.92688.22602.4-1123.45702.0-1340.7

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-29
Value112000.0112000.0112000.096000.063000.063000.063000.064000.063000.063000.063000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value67334166-0.210.179-13.446-0.12712-40.9530.4061.9629-9.127154424-15.424151115-51.67418-11.29320-23.862167.86824133.7285.6059.515-9.967-23.6728.734382.544-17.1815.1631423-9.41-12.8412612
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value676925-12.8379999477662121939141726.699524731522248341933606.8631640422.13824
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating8995.310218.03685.1-1797.911876.58501.83611.25828.04883.910669.28822.69099.44604.68362.6875.77379.012853.08606.714126.75899.212334.68616.85145.28184.916334.31746.33144.78277.18492.1739.88459.3

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value92776561244050536163686662576442373239363229373940303836352759293026333335263230292024212417
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 InterestIncomeOperating12338.811292.49527.28667.52904.73504.33835.14049.84762.35563.96427.16685.17017.26680.38464.35969.56169.47822.09844.310161.98901.97680.010723.811242.311938.38478.810873.211070.810820.87613.816361.87990.78201.17160.48988.98422.68853.16937.27939.78085.37531.33905.14928.24404.48455.76026.7

us-gaap:NetIncomeLoss us-gaap:ChangeInAccountingEstimateByType

lstr:DevelopmentOfPriorYearSelfInsuredClaimsEstimates


Net
Period End2021-06-262020-12-262020-09-262020-06-272019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-29
Value0.9622.3180.8512.1355.4845.0011.1311.0671.8272.5314.2931.9311.7530.6990.189-0.0640.236-1.3090.4561.284-0.4130.0290.5152.868-0.2820.233.0011.169
Percentage of NetIncomeLoss1.03.61.48.811.09.41.91.72.73.86.93.42.71.60.5-0.20.6-3.61.44.4-1.10.11.39.6-0.70.68.44.2
Percentage of InterestIncomeOperating128.6339.4119.2255.7420.2380.388.293.8172.0252.6481.8224.3229.298.331.1-15.558.7-366.7125.6337.9-117.08.3151.9810.2-79.769.3903.9322.0
Percentage of InterestIncomeOperating lstr:DevelopmentOfPriorYearSelfInsuredClaimsEstimates0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value9277656124405053616368666257644237323936322959293026333335263230292023212416
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating12338.811292.49527.28667.52904.73504.33835.14049.84762.35562.46431.36681.47013.76675.18455.35966.26169.47822.09844.310161.98901.97680.016361.87990.78201.17160.48988.98422.68853.16937.27939.78085.37531.33893.44883.24350.78377.25949.8

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value92776124405361636866625764592930263333352632302920
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.099.9100.1100.0100.1100.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.3
Percentage of InterestIncomeOperating12338.811292.48667.52904.73504.34049.84762.35563.96427.16685.17017.26680.38464.316361.87990.78201.17160.48988.98422.68853.16937.27939.78085.37531.33905.1
Percentage of InterestIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value6.8644.0291.9481.490.570.631-0.2341.1021.431.9385.2534.9014.3923.714.0611.4231.2430.9940.0290.6520.9661.11.9861.6961.5761.6672.5791.4191.6351.1640.7781.1411.3741.6181.5361.4271.6611.5251.2291.311.2681.2051.2021.1991.1831.185
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value-54351000.0-4335000.0-4674000.0-6479000.0-12812000.0-4454000.0-4616000.0-6468000.0-4058000.0-3414000.0-2374000.0-3384000.0-206000.0-2230000.0-7165000.0-10202000.0-4842000.03445000.0-10229000.0-2408000.0885000.0-2433000.0-17255000.02439000.03089000.01569000.01712000.03377000.0-904000.0-29579000.0-23614000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating-7266.2-633.8-684.3-907.4-1534.4-381.7-353.7-491.9-316.3-300.0-223.5-337.7-23.1-259.0-936.6-1434.9-1323.0928.6-2735.0-637.0225.2-600.7-4458.7593.4828.2399.2324.2690.6-182.6-10234.9-8285.6

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value4.9244.0765.27.75115.7994.2175.9754.6484.5762.4223.2040.3073.8146.7862.1721.654.9784.8128.8788.1270.8281.0060.7480.62.451.4087.7770.6220.7321.5072.1171.0271.7222.6441.4461.9561.0260.8770.6311.0211.8082.0310.792.44522
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment us-gaap:StatementBusinessSegments

lstr:TransportationLogistics


Payments
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value4.9244.0765.27.75115.7994.2175.9754.6484.5762.4223.2040.3073.8146.7862.1721.654.9784.8128.8788.1270.8281.0060.7480.62.451.4087.7770.6220.7321.5072.1171.0271.7222.6441.4461.9561.0260.8770.6311.0211.8082.0310.792.445
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value-46738000.0-95773000.08436000.0-8156000.0-18849000.0-233460000.0-8123000.0-35384000.0-73433000.0-53625000.0-104260000.0-23047000.0-112110000.0-91265000.0-6757000.0-15169000.0-12248000.0-58399000.0-25882000.0-25454000.0-34215000.0-21416000.0-30147000.0-24248000.0-34107000.0-14125000.0-17998000.0-54332000.0-31152000.0-9928000.0-3821000.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating-6248.4-14001.91235.1-1142.3-2257.4-20005.4-622.5-2690.8-5723.5-4712.2-9817.3-2300.1-12582.2-10599.9-883.3-2133.5-3346.4-15741.0-6920.3-6733.9-8706.1-5287.9-7789.9-5899.8-9144.0-3594.1-3408.7-11110.8-6293.3-3435.3-1340.7

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value8.068848.0628.067.099867.3027.3326.6286.6296.6576.786.188694.1994.1953.7743.773.763.793.3863.3963.4153.4873.074473.1343.1312.718262.7992.5832.5742.5762.6192.3942.3942.4192.4762.2652.262
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282012-12-292012-09-292011-12-312011-09-242010-12-252010-09-25
Value0.00.00.01150.01856121020.01031.5080.0241610532253310.00.01937120.01.2448.838.484324829
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.0100.00.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-12-312016-09-302016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-09-272014-06-282014-03-292013-09-282013-06-292013-03-302012-09-292012-06-302012-03-312011-09-242011-06-252011-03-262010-09-25
Value-0.324.423.073-0.0020.2290.0040.0140.21-0.0050.0090.227-0.0280.0050.3680.006-0.004-0.00400.380.00300.0010.37800.0020.37500.0040.3730.0020.0090.367000.3820
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.00.00.0100.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-252009-12-262008-12-27
Value55.1555.1554.1653.4453.3353.2951.2451.0850.7750.6850.4450.3649.6449.5949.3449.2549.1648.8648.2447.3947.447.347.2447.1347.0447.0146.9246.0445.5545.4144.5544.644.4844.442.5642.5242.5142.4240.1140.1140.0639.7336.8635.47
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value4241373552455449494637
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 End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value1513161316141515202122
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 End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-26
Value2.5853.0143.5194.8122.6352.7042.622.2612.3297.3649.20911
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lstr:EntityWideRevenueNoMajorCustomerAccountedForBenchmarkPercentage

lstr:EntityWideRevenueNoMajorCustomerAccountedForBenchmarkPercentage


Entity
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value010.009.900.10000.100.100.100.10.10.100.10.10.10.100.10.10.100.10.10.100.10.10.100.10.10.1
Percentage of EntityWideRevenueNoMajorCustomerAccountedForBenchmarkPercentage0.0100.00.0100.00.0100.00.00.00.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

lstr:EstimatedAnnualEffectiveTaxRateForContinuingOperations

lstr:EstimatedAnnualEffectiveTaxRateForContinuingOperations


Estimated
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-01
Value024.423.95800.242000.242000.245-0.00400.382
Percentage of EstimatedAnnualEffectiveTaxRateForContinuingOperations0.0100.0100.00.0100.00.00.0100.00.00.0100.0100.00.0100.0

lstr:FinanceLeaseCost

lstr:FinanceLeaseCost


Finance
Period End2021-06-262021-03-272020-12-26
Value5.8886.2056.763
Percentage of FinanceLeaseCost100.0100.0100.0

lstr:LeverageRatioRequired us-gaap:Range, us-gaap:CreditFacility

lstr:LeverageRatioRequired

srt:Maximum, us-gaap:RevolvingCreditFacility


Leverage
Period End2021-06-262021-03-272020-12-26
Value02.50
Percentage of LeverageRatioRequired0.0100.00.0

lstr:MaximumPercentageOfTargetAvailableForIssuance us-gaap:Range, us-gaap:AwardDate, us-gaap:AwardType

lstr:MaximumPercentageOfTargetAvailableForIssuance

srt:Maximum, lstr:PreTwentyFifteenRestrictedStockGrants, us-gaap:RestrictedStockUnitsRSU


Maximum
Period End2021-06-262021-03-272020-12-26
Value0100.00
Percentage of MaximumPercentageOfTargetAvailableForIssuance0.0100.00.0

lstr:OperatingLeasesRentIncomeExpenseNet

lstr:OperatingLeasesRentIncomeExpenseNet


Operating
Period End2021-06-262021-03-272020-12-26
Value392000.0344000.0407000.0
Percentage of OperatingLeasesRentIncomeExpenseNet100.0100.0100.0

lstr:PurchasedTransportationCosts

lstr:PurchasedTransportationCosts


Purchased
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value12289981009838635709761774799791911931916810815726667595684601589540651645667587668633628530535517516476525548562492547518509431442474490417
Percentage of PurchasedTransportationCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

lstr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSharesEarnedInExcessOfTargetWeightedAverageGrantDateFairValue us-gaap:AwardType

lstr:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSharesEarnedInExcessOfTargetWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-26
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSharesEarnedInExcessOfTargetWeightedAverageGrantDateFairValue0.0

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax


Allocated
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value4.4882.6881.4521.0070.308-0.242-0.2390.7110.758-1.1243.9483.0643.1751.4593.2680.7450.556-0.133-0.0810.360.6010.6291.2751.2451.0070.9661.6380.4660.9720.550.7670.8261.0920.9211.1390.7581.2820.5721.2380.9560.9350.90.9140.9140.861
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2020-09-26
Value-372000.0
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0

us-gaap:CapitalLeaseObligationsIncurred

us-gaap:CapitalLeaseObligationsIncurred


Capital
Period End2020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242010-12-252010-09-25
Value0.07.4850.06.4810.00.025191.6170.0189.6521528286.0861137110.00.05.530100.6411.22111278.8330.12518158.89721110.8410.0
Percentage of CapitalLeaseObligationsIncurred0.0100.00.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:Range, us-gaap:CreditFacility, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

srt:Maximum, us-gaap:RevolvingCreditFacility, us-gaap:BaseRate


Debt
Period End2021-03-27
Value1.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

srt:Maximum, us-gaap:RevolvingCreditFacility, us-gaap:Eurodollar


Debt
Period End2021-03-27
Value2.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1200.0

srt:Minimum, us-gaap:RevolvingCreditFacility, us-gaap:BaseRate


Debt
Period End2021-03-27
Value0.25
Percentage of DebtInstrumentBasisSpreadOnVariableRate125.0

srt:Minimum, us-gaap:RevolvingCreditFacility, us-gaap:Eurodollar


Debt
Period End2021-03-27
Value1.25
Percentage of DebtInstrumentBasisSpreadOnVariableRate1125.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value121211111111111011111110101010109.8979.9349.6879.0168.6558.4387.8497.1857.0497.0197.1567.0866.5656.7684.8347.847.817.1836.987.0726.6646.746.4786.5496.3886.3996.366.4566.1965.792
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value8.0688.0678.067.0997.3367.3326.6286.6296.6576.786.1886.308674.1953.7743.773.763.793.3863.3963.4153.4873.0743.112473.1312.72.72262.7992.5832.5742.5762.6192.3942.394
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value8.0688.0678.067.0997.3367.3326.6286.6296.6576.786.1886.308674.1953.7743.773.763.793.3863.3963.4153.4873.0743.112473.1312.72.72262.7992.5832.5742.5762.6192.3942.394
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value819000.0252000.01869000.0555000.0739000.0-3590000.0694000.0-564000.0418000.0512000.0-1300000.0588000.0-678000.0-318000.0-102000.0545000.0448000.0137000.0-280000.0-181000.0254000.0583000.0-476000.0-930000.0-418000.0-280000.0-716000.0-61000.0175000.0-432000.0-334000.0126000.0-285000.0-225000.0-114000.0421000.0-268000.0204000.0-340000.0-44000.07000.0206000.0111000.014000.0-43000.0100000.0
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount


Effective
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-31
Value695000.0343000.098000.0123000.0706000.051000.097000.0300000.02571000.014000.0620000.0128000.01298000.0
Percentage of EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value2376000.01341000.0496000.0483000.0262000.0873000.05000.0391000.0672000.03062000.01305000.01837000.01217000.02251000.0793000.0678000.0687000.01127000.0110000.0292000.0365000.0471000.0711000.0451000.0569000.0701000.0941000.0953000.0663000.0614000.011000.0315000.0282000.0697000.0397000.0669000.0379000.0953000.0-9000.0354000.0333000.0305000.0288000.0285000.0322000.0
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-262021-03-272020-12-26
Value652000.0727000.0708000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-262021-03-272020-12-26
Value5.2365.4786.055
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value742000.024000.0281000.0483000.0954000.0858000.0-172000.0-31000.0343000.0876000.0-46000.037000.0136000.0852000.0-126000.0199000.0238000.0463000.0256000.01460000.0887000.0874000.0-62000.0100000.071000.0107000.0188000.01219000.0677000.059000.0458000.0574000.01678000.0642000.067000.0720000.01795000.0213000.013000.0359000.0-43000.0-63000.0-488000.0-394000.0-156000.0-20000.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill


Impairment
Period End2020-12-262020-09-262020-06-27
Value002582000.0
Percentage of ImpairmentOfIntangibleAssetsExcludingGoodwill0.00.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value-7.351.113.6281.47-5.431-0.7972.384-2.091-2.981-2.0795.344-1.874-6.3420.757162.474-2.4750.7092.597-2.882-3.361-2.682-5.8350.902-0.974-0.885-8.784.65-3.3922.0880.031.341-4.808-1.2631.9620.678-1.77-5.131-14.2760.492.6471.068
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInsuranceLiabilities

us-gaap:IncreaseDecreaseInInsuranceLiabilities


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value5.828-109.562106-6.1634.2976.122-6.237122.224-0.559-3.4381.2922.9520.7392.0457.5362.7733.7021.2982.5295.6582.285-0.636-3.744-1.7091.321-6.444-49.284-15.9721.2513.457250.6460.879-7.391-0.657-3.123-6.542-1.729301.0612.9715.5681.191-4.201-3.182
Percentage of IncreaseDecreaseInInsuranceLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value30-6.175-8.773-11.31734-9.987-9.734-1.67925-2.229-6.817-6.75820-4.311-6.705-3.987120.174-5.478-6.75912-9.7837.007-4.2349.62-11.2166.619-13.165141.56-1.114-4.5728.187-1.287-2.603-5.2228.077-3.4582.086-3.8565.769-5.872.075-2.5568.21-5.977
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value-5.12613143.8195.8274.404-1.71-1.761-10.539-3.7765.1227.733-4.297-0.1919.1059.664-10.041135.7243.471-10.6311.7245.0716.15-0.419-9.588.530.941-20.0478.1081.819-0.535-7.8533.261-7.145-1.6283.591-3.046-20.1315-2.1521.2830.6185.946-2.8547.49
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInReceivables


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value88-33.44222162-78.232-21.3693.1925.213-5.315-84.505-3.3661251-2.901916639-16.427576.31710-67.8422.549-22.11528-29.93941-45.688234118245.72-20.288-15.8375.0594017-16.614323745-11.296-16.9254322
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInRestrictedCashAndInvestments

us-gaap:IncreaseDecreaseInRestrictedCashAndInvestments


Increase
Period End2020-12-262020-09-262020-06-272020-03-28
Value000-131000.0
Percentage of IncreaseDecreaseInRestrictedCashAndInvestments0.00.00.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-262021-03-272020-12-26
Value5.4965.8616.356
Percentage of LeaseCost100.0100.0100.0

us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage us-gaap:Range, us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage

srt:Maximum, us-gaap:RevolvingCreditFacility


Line
Period End2021-06-262021-03-272020-12-26
Value00.350
Percentage of LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage0.0100.00.0

srt:Minimum, us-gaap:RevolvingCreditFacility


Line
Period End2021-06-262021-03-272020-12-26
Value00.250
Percentage of LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage0.071.40.0

us-gaap:OperatingInsuranceAndClaimsCostsProduction

us-gaap:OperatingInsuranceAndClaimsCostsProduction


Operating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value24212121192425231614171821171617131414121614111012148.548121311131311119.048.019.306118.679.381131111111312
Percentage of OperatingInsuranceAndClaimsCostsProduction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-262021-03-272020-12-26
Value894000.0846000.0775000.0
Percentage of OperatingLeaseCost100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-25
Value-96000.0147000.050000.075000.0770000.0-432000.0-16000.083000.0222000.0272000.025000.02000.0-42000.0-191000.0-177000.047000.054000.035000.0-211000.0-19000.0117000.0100000.0-147000.03000.0-90000.0125000.095000.0106000.0-65000.0-60000.024000.0-98000.0408000.031000.0494000.0-136000.037000.0-100000.091000.079000.0157000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-01
Value1101000.0-954000.03965000.01181000.04548000.0-9481000.01509000.0-776000.01381000.01549000.0-1306000.0715000.0-1733000.0-389000.0-1454000.0631000.0549000.0201000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-31
Value-349000.0-534000.0178000.0273000.02816000.0-1579000.0-62000.0307000.0810000.0995000.090000.07000.0-153000.0-730000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-31.756.04.523.161.916.7-4.1-39.658.764.2-6.91.08.8187.7

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282018-12-292018-09-29
Value1101000.0-954000.03965000.01181000.04548000.0-9481000.0-1306000.0715000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-31
Value1450000.0-420000.03787000.0908000.01732000.0-7902000.01571000.0-1083000.0571000.0554000.0-1396000.0708000.0-1580000.0341000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent131.744.095.576.938.183.3104.1139.641.335.8106.999.091.2-87.7

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value-349000.0-534000.0178000.0273000.02816000.0-1579000.0-62000.0307000.0810000.0995000.090000.07000.0-153000.0-730000.0-324000.086000.0101000.064000.0-340000.0-34000.0215000.0182000.0-269000.06000.0-164000.0228000.0-174000.0-194000.0119000.0110000.0-44000.0179000.0-741000.0-58000.0-95000.0247000.066000.0182000.0-131000.0-145000.0286000.07000.0-411000.0486000.040000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value8.9037.6427.4287.3617.3688.3068.743109.8618.2397.6278.9667.6067.6046.198.0977.5036.8978.2187.4926.5857.4077.238.7187.9817.6896.4216.5216.2436.5866.0116.0314.2015.3255.3146.4474.7166.4726.8156.4277.6797.9446.8746.4487.9687.536
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-26
Value173000.0
Percentage of PaymentsOfDebtIssuanceCosts100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-31
Value1100000.01241000.0046000.0286000.02994000.07000.011000.0515000.07923000.02000.01124000.0108000.02704000.0510000.06000.026000.0339000.01328000.025000.0163000.01527000.049000.093000.014000.02069000.01622000.0695000.074000.01650000.0-1000.0134000.001633000.001000.0-2000.03024000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesGross


Payments
Period End2020-12-262020-09-262020-06-15
Value065000.02701000.0
Percentage of PaymentsToAcquireBusinessesGross0.0100.0100.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


Payments
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value598.7164.4484.727.5528.837.09316162617166.2541314101023117.56113119.487148.94511104.6186.749156.0179.4391223128.02810260.1341818204.95313416.275
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfBankOverdrafts

us-gaap:ProceedsFromRepaymentsOfBankOverdrafts


Proceeds
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value-4.20.0062711-0.468-17.8769.2531.0052.101-13.8215-5.6069.045-5.9228.389-0.2924.772-6.8788.526-2.630.282-5.5365.943-2.0513.307-6.2192.3975.036.023-6.6019.37-0.131-0.36-6.2626.9282.6471.321-3.1542.844-3.2862.94-1.472.38-7.7967.002-5.628
Percentage of ProceedsFromRepaymentsOfBankOverdrafts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities


Proceeds
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value9.2857.9573.8373.8986.9347.9636.45515152517155.70112139.4311023117.12612109.139126.005109.6744.1976.272145.5128.9691112127.6124.3658.9121.5282020238.04214116.082
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value0.9380.51.1372.1582.3842.0810.370.4021.0892.130.4760.6030.6542.2850.4380.8011.1281.6651.593.8312.5182.2730.1180.2860.6250.6561.3053.752.1340.2761.0491.8364.8831.9430.7332.7475.1771.0731.9221.7340.4290.30.7380.6070.2860.055
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value0.00.0770.0490.0620.0390.5750.4270.2860.0240.3190.0380.3580.060.9790.6520.5690.2451.7170.8890.540.7950.1050.3830.5420.1050.4290.7860.8630.9781.1330.070.3680.2741.6110.0730.1540.410.7230.2670.1010.4850.070.1330.0191.3490.159
Percentage of ProceedsFromStockOptionsExercised0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value846000.0547000.02209000.0678000.02406000.04122000.02889000.02748000.02044000.02150000.02055000.01063000.01562000.02735000.01796000.02042000.01744000.01857000.01659000.01125000.01457000.01494000.01223000.01323000.02642000.0702000.01492000.01173000.01921000.0729000.01300000.0890000.0736000.0829000.01548000.01606000.0907000.0923000.03496000.01446000.01636000.01226000.0377000.01105000.01407000.01027000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities


Repayments
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262010-03-27
Value9.3659.7781011111010101111109.895101111111212121211119.5488.868.8949.2189.3058.0017.24812171211195.098256426155.6035.9496.0236.3616.7116.6096.592
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2020-10-31
Value15
Percentage of RestructuringCharges100.0

us-gaap:RevenueFromRelatedParties

us-gaap:RevenueFromRelatedParties


Revenue
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-30
Value339.5349.0919.078269.0799.6099.611179.6147.4597.496157.4987.3377.335157.3347.2287.229147.2316.3966.392126.3965.7915.791105.7926.0035.999106.05.9895.9910
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:StatementBusinessSegments

lstr:Insurance


Revenue
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-30
Value339.5349.0919.078269.0799.6099.611179.6147.4597.496157.4987.3377.335157.3347.2287.229147.2316.3966.392126.3965.7915.791105.7926.0035.999106.05.9895.9910
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SalesCommissionsAndFees

us-gaap:SalesCommissionsAndFees


Sales
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value1211001048575758484878510299948286767063756564597169705969646352545353495556565056545444464746
Percentage of SalesCommissionsAndFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

lstr:NonVestedRestrictedStockAndDeferredStockUnits


Share
Period End2020-12-262020-09-262020-06-272020-03-282018-12-292018-09-292018-06-302018-03-31
Value000106.3400071.12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.00.00.0100.00.00.00.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-262020-09-262020-06-272020-03-282018-12-292018-09-292018-06-302018-03-312014-12-272014-09-272014-06-282014-03-29
Value000100.5500052.3600049.53
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.00.00.094.60.00.00.073.60.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

lstr:NonVestedRestrictedStockAndDeferredStockUnits


Share
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-30
Value9.23140.97000.15111.7300-0.07102.8300-0.78114.130.210.81
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262014-12-272014-09-272013-12-282013-09-282013-06-292013-03-30
Value-0.1129.03-0.04-0.04-0.04102.7-0.03-6.33-0.0195.71-0.14-0.12-7.27103.47-0.04-0.05-0.0576.9500-0.0151.59-0.0100000051.19
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-1.191.50.00.0-26.791.90.00.014.393.10.00.0932.190.7-19.0-6.20.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

lstr:NonVestedRestrictedStockAndDeferredStockUnits


Share
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-31
Value0.96103.390-0.080.9697.9500.047.2685.400.699.1565.27
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312016-12-312016-09-242015-12-262015-09-262014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-30
Value-46.29106.1400-3.5677.000-1.0254.2900053.92000000051.4700044.78
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue-4821.9102.70.0-0.0-370.878.60.00.0-14.063.60.00.00.082.60.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-29
Value0.00.5210.2470.5280.0481.0230.8060.6080.3250.9440.1313.3810.742.4632.2960.8230.863.625.4890.7020.8270.4090.4121.1250.3091.1085.1523.0351.2565.130.0740.7160.2845.0210.1260.054
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-262021-03-272020-12-26
Value051.830
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice0.0100.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:AwardType, us-gaap:PlanName

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

lstr:DeferredStockUnit, lstr:TwoThousandAndThirteenDirectorsStockCompensationPlan


Sharebased
Period End2021-06-262021-03-272020-12-26
Value0100.00
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.00.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-30
Value-1100000.0-1164000.016000.0-247000.0-2419000.0275000.0-491000.0-7604000.036000.0-766000.0-48000.0-1725000.0142000.0563000.0219000.01378000.0604000.0581000.0760000.0-1273000.0353000.0585000.0121000.0-1154000.0337000.0826000.01068000.0-12000.077000.0325000.0271000.0233000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-30
Value-1039000.0-307000.056000.0-211000.0-1781000.0285000.0-431000.0-7081000.036000.0-744000.03000.0-1376000.0142000.0563000.0219000.01540000.0649000.0581000.0870000.0-1274000.0353000.0585000.0120000.0-1154000.0336000.0997000.01067000.08000.077000.0325000.0271000.0247000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation94.526.4350.085.473.6103.687.893.1100.097.1-6.279.8100.0100.0100.0111.8107.5100.0114.5100.1100.0100.099.2100.099.7120.799.9-66.7100.0100.0100.0106.0

us-gaap:TreasuryStock


Stock
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-30
Value-61000.0-857000.0-40000.0-36000.0-639000.0-10000.0-61000.0-524000.00-23000.0-51000.0-350000.0000-163000.0-46000.000-171000.00-21000.0000-15000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation5.573.6-250.014.626.4-3.612.46.90.03.0106.220.30.00.00.0-11.8-7.60.00.0-20.70.0175.00.00.00.0-6.4

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-262021-03-272020-12-26
Value1286000.01190000.01182000.0
Percentage of SubleaseIncome100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStock


Treasury
Period End2021-06-262020-03-282019-09-282019-06-292019-03-302018-06-302018-03-31
Value1501.178970.1746580.5499290.1244810.9856460.014354
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-262020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282012-12-292012-09-292011-12-312011-09-24
Value231151856121020.01031.5080.0241610482853310.00.01937120.01.2448.838.48432
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-262020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282012-12-292012-09-292011-12-312011-09-24
Value231151856121020.01031.5080.0241610482853310.00.01937120.01.2448.838.48432
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0

lstr:ClaimsReceivableFromThirdPartyInExcessOfSelfInsuredRetention lstr:SelfInsurancePerOccurrence, us-gaap:BalanceSheetLocation

lstr:ClaimsReceivableFromThirdPartyInExcessOfSelfInsuredRetention

lstr:CommercialTruckingClaims, us-gaap:OtherAssets


Claims
Period End2020-12-26
Value104
Percentage of ClaimsReceivableFromThirdPartyInExcessOfSelfInsuredRetention100.0

lstr:ContractorEscrow

lstr:ContractorEscrow


Contractor
Period End2020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-29
Value2825242425252525
Percentage of ContractorEscrow100.0100.0100.0100.0100.0100.0100.0100.0

lstr:FinanceLeasedAssetsGross

lstr:FinanceLeasedAssetsGross


Finance
Period End2020-12-262019-12-282018-12-29
Value199222241
Percentage of FinanceLeasedAssetsGross100.0100.0100.0

lstr:FinanceLeasesBalanceSheetAssetsByMajorClassNet

lstr:FinanceLeasesBalanceSheetAssetsByMajorClassNet


Finance
Period End2020-12-262019-12-282018-12-29
Value139156173
Percentage of FinanceLeasesBalanceSheetAssetsByMajorClassNet100.0100.0100.0

lstr:LeaseRightOfUseAsset

lstr:LeaseRightOfUseAsset


Lease
Period End2021-06-262021-03-272020-12-262020-09-26
Value125133141142
Percentage of LeaseRightOfUseAsset100.0100.0100.0100.0

lstr:SelfInsuranceExcessValueMaintainThirdParty lstr:SelfInsurancePerOccurrence, lstr:ThirdPartyInsurancePerOccurrence

lstr:SelfInsuranceExcessValueMaintainThirdParty

lstr:CommercialTruckingClaims, lstr:ThirdPartyInsurance


Self
Period End2020-12-262019-12-28
Value5000000.010000000.0
Percentage of SelfInsuranceExcessValueMaintainThirdParty100.0100.0

lstr:SelfInsuranceExcessValueMaintainThirdParty lstr:SelfInsurancePerOccurrence, lstr:ThirdPartyInsurancePerOccurrence, us-gaap:ReinsurancePolicyType

lstr:CommercialTruckingClaims, lstr:ThirdPartyInsurance, lstr:ExcessCoveragePolicy


Self
Period End2020-12-26
Value10000000.0
Percentage of SelfInsuranceExcessValueMaintainThirdParty200.0

lstr:SelfInsuranceRetainedAggregateLiability lstr:SelfInsurancePerOccurrence, lstr:ThirdPartyInsurancePerOccurrence

lstr:SelfInsuranceRetainedAggregateLiability

lstr:CommercialTruckingClaims, lstr:ThirdPartyInsurance


Self
Period End2020-12-26
Value104
Percentage of SelfInsuranceRetainedAggregateLiability100.0

lstr:SelfInsuranceRetainedAggregateLiability lstr:SelfInsurancePerOccurrence, us-gaap:LossContingenciesByNatureOfContingency, us-gaap:ReinsurancePolicyType

lstr:CommercialTruckingClaims, lstr:RetainedLiabilityMaximumInAggregateForThreeYearPolicyFromMay12019ToApril302022, lstr:InitialExcessPolicy


Self
Period End2020-12-26
Value10.0
Percentage of SelfInsuranceRetainedAggregateLiability9.6

lstr:SelfInsuranceRetainedAggregateLiability lstr:SelfInsurancePerOccurrence, us-gaap:Range, us-gaap:ReinsurancePolicyType

lstr:CommercialTruckingClaims, srt:Maximum, lstr:InitialExcessPolicy


Self
Period End2020-12-262019-12-28
Value1510.0
Percentage of SelfInsuranceRetainedAggregateLiability14.40.0

lstr:SelfInsuranceRetainedLiability lstr:SelfInsurancePerOccurrence, us-gaap:Range

lstr:SelfInsuranceRetainedLiability

lstr:CommercialTruckingClaims, srt:Maximum


Self
Period End2020-12-262019-12-282018-12-29
Value10000000.010000000.05000000.0
Percentage of SelfInsuranceRetainedLiability100.0100.0100.0

lstr:SelfInsuredRetainedTermAggregateLiability lstr:SelfInsurancePerOccurrence, us-gaap:Range, us-gaap:LossContingenciesByNatureOfContingency

lstr:SelfInsuredRetainedTermAggregateLiability

lstr:CommercialTruckingClaims, srt:Maximum, lstr:AdditionalRetainedLiabilityForClaimsFour


Self
Period End2020-12-26
Value20
Percentage of SelfInsuredRetainedTermAggregateLiability100.0

lstr:TrailingEquipmentGross

lstr:TrailingEquipmentGross


Trailing
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value433425398363342311267245230204188
Percentage of TrailingEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables

us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables


Allowance
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value6843000.06711000.07239000.08827000.09241000.08847000.07667000.08593000.07729000.06907000.06216000.06188000.06495000.06796000.06012000.06306000.06049000.05706000.05523000.04871000.04755000.04373000.04143000.04306000.04304000.04235000.04189000.03449000.03785000.04212000.04253000.03955000.04257000.04227000.04657000.04951000.04727000.05365000.05384000.05018000.04987000.05018000.05511000.05797000.0
Percentage of AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value6199000.07095000.08670000.08120000.08580000.08536000.07284000.07296000.06744000.07144000.06413000.06173000.06549000.06496000.06131000.06163000.05311000.05524000.05161000.04881000.05092000.04777000.04327000.04287000.04441000.04248000.04338000.04687000.04442000.03594000.03773000.08252000.08142000.08333000.08650000.08299000.07379000.06896000.06591000.04652000.04155000.05525000.05324000.05547000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value1701191191181171171161151141141131121121111111101101091091091081081081081061031031031021021021011011019090908467697176
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value1421029810110098979796100101999480
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis83.885.382.585.385.684.084.084.683.988.489.188.483.972.4

us-gaap:AssetBackedSecurities


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value0.5640.5660.5670.5690.5690.5710.5720.590.1120.5180.6240.7281.2062.805
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.30.50.50.50.50.50.50.50.10.50.60.61.12.5

us-gaap:USTreasurySecurities


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-29
Value2.342.3392.3382.3372.3372.3362.3352.3341.104
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis1.42.02.02.02.02.02.02.01.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:InvestmentType

us-gaap:MoneyMarketFunds


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-28
Value241417141415151417121112162627161418127.268118.5267.5949.7545.4861.061.7291.1685.2782.8212.499
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis14.512.315.012.211.913.513.512.915.011.110.311.015.123.425.115.213.116.711.36.710.97.87.09.05.21.01.71.15.12.82.4

us-gaap:AvailableForSaleSecurities us-gaap:Collateral, us-gaap:InvestmentType

us-gaap:AvailableForSaleSecurities

us-gaap:CollateralPledged, lstr:CurrentInvestments


Available
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-30
Value52413936333135394040
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CollateralPledged, lstr:NonCurrentInvestments


Available
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-30
Value20302632343633292929
Percentage of AvailableForSaleSecurities38.374.269.088.4103.2116.394.573.472.672.1

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282013-12-28
Value2690000.03052000.03676000.03677000.03402000.01174000.01477000.01536000.01164000.0428000.033000.015000.011000.025000.0117000.0375000.0316000.0195000.0155000.0472000.0548000.0339000.0196000.0382000.0406000.0629000.0506000.0716000.0890000.0833000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value2602000.02950000.03551000.03540000.03261000.01038000.01465000.01513000.01155000.0428000.033000.015000.011000.0117000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax96.796.796.696.395.988.499.298.599.2100.0100.0100.0100.0100.0

us-gaap:USTreasurySecurities


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-29
Value88000.0102000.0125000.0137000.0141000.0136000.012000.021000.09000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax3.33.33.43.74.111.60.81.40.8

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282013-12-28
Value2452000.02897000.03578000.03350000.03002000.0-584000.01427000.01505000.01115000.083000.01184000.01299000.01308000.01113000.0-223000.0278000.0145000.0-10000.0-109000.0416000.0469000.0137000.0-145000.0271000.0262000.0516000.0163000.0432000.0732000.0378000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282013-12-28
Value238000.0155000.098000.0327000.0400000.01758000.050000.031000.049000.0345000.01217000.01314000.01319000.01138000.0340000.097000.0171000.0205000.0264000.056000.079000.0202000.0341000.0111000.0144000.0113000.0343000.0284000.0158000.0455000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value238000.0144000.072000.0289000.0316000.01710000.044000.031000.049000.0343000.01213000.01309000.01312000.0335000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.092.973.588.479.097.388.0100.0100.099.499.799.699.598.5

us-gaap:AssetBackedSecurities


Available
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-03-302018-12-292018-09-292018-06-302017-12-30
Value11000.026000.038000.084000.048000.01000.02000.04000.05000.07000.05000.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax7.126.511.621.02.72.00.60.30.40.51.5

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


Available
Period End2021-03-272019-12-282019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-28
Value32000.03000.0314000.0863000.0481000.0175000.0177000.0116000.075000.037000.037000.057000.031000.076000.0136000.053000.039000.011000.045000.0194000.0212000.0149000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-03-272019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value21000.03000.016000.048000.0312000.0859000.0478000.0175000.0115000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss65.6100.00.00.099.499.599.4100.099.1

us-gaap:AssetBackedSecurities


Available
Period End2021-03-272019-12-282019-03-302018-12-292018-09-292017-12-30
Value11000.002000.04000.03000.01000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss34.40.00.60.50.60.9

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss


Available
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282013-12-28
Value155000.098000.0327000.0400000.01758000.050000.0345000.01217000.01314000.01319000.01138000.0340000.097000.0171000.0205000.0264000.056000.079000.0202000.0341000.0111000.0144000.0113000.0343000.0284000.0158000.0455000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value238000.0144000.072000.0289000.0316000.01710000.044000.031000.049000.0343000.01213000.01309000.01312000.0335000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss0.092.973.588.479.097.388.00.00.099.499.799.699.598.5

us-gaap:AssetBackedSecurities


Available
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-03-302018-12-292018-09-292018-06-302017-12-30
Value11000.026000.038000.084000.048000.01000.02000.04000.05000.07000.05000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss7.126.511.621.02.72.00.60.30.40.51.5

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue


Available
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242010-12-25
Value103.2224.8085.422491462899489775736454946239.2664059273118423024262629384.1573.60818267.1264.91712
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value529.8512.6814.2774.937491210176288948855
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue0.094.783.289.091.199.087.80.00.099.299.399.298.795.7

us-gaap:AssetBackedSecurities


Available
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-03-302018-12-292018-09-292018-06-302017-12-30
Value0.5550.5410.5310.4850.5230.5710.5160.620.7231.1992.496
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue5.316.811.08.91.03.90.80.70.81.34.3

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Available
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282013-12-28
Value123000.098000.0327000.0400000.01758000.047000.031000.0354000.0833000.01144000.0961000.0224000.022000.0134000.0168000.0207000.025000.03000.066000.0288000.072000.0133000.068000.0149000.072000.09000.0455000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value238000.0123000.072000.0289000.0316000.01710000.041000.015000.01000.031000.0354000.0831000.01137000.0220000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.0100.073.588.479.097.387.20.00.0100.0100.099.899.498.2

us-gaap:AssetBackedSecurities


Available
Period End2020-12-262020-09-262020-06-272020-03-282019-12-282018-09-292018-06-302017-12-30
Value26000.038000.084000.048000.01000.02000.07000.04000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss26.511.621.02.72.10.20.61.8

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue


Available
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242010-12-25
Value8.5963.2224.8085.422491013457480674320424642195.326345823288.35928159.572262629384.1573.11217267.1264.91712
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value528.5962.6814.2774.937498.7283.8170.2881345737941
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue0.0100.083.289.091.199.082.90.00.0100.0100.099.698.595.7

us-gaap:AssetBackedSecurities


Available
Period End2020-12-262020-09-262020-06-272020-03-282019-12-282018-09-292018-06-302017-12-30
Value0.5410.5310.4850.5230.5710.31.1991.864
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue16.811.08.91.05.40.41.54.3

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue


Available
Period End2021-03-272019-12-282019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282012-09-292012-06-30
Value1.814.264843208.649.93114153.6293.6173.6813.7893.946.2960.5624.0933.5039.9411414140.4960.478
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-03-272019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value1.2554.266.953174842208.6414
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue69.3100.00.00.098.998.698.0100.095.7

us-gaap:AssetBackedSecurities


Available
Period End2021-03-272019-12-282019-03-302018-12-292018-09-292017-12-30
Value0.5550.00.5160.620.4230.632
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue30.70.01.11.42.04.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value1721221221211201161171171151141121111101101101101101091091091091081081081061041031031031031021021011029292918568707277
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

lstr:CorporateBondsAndDirectObligationsOfGovernmentAgencies


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value1441041011041039799999710199989280
Percentage of AvailableForSaleSecuritiesDebtSecurities84.085.583.085.785.983.884.284.784.188.489.088.283.772.3

us-gaap:AssetBackedSecurities


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302017-12-30
Value0.5640.5550.5410.5310.4850.5230.5710.5920.1120.5160.620.7231.1992.8
Percentage of AvailableForSaleSecuritiesDebtSecurities0.30.50.40.40.40.40.50.50.10.50.60.61.12.5

us-gaap:USTreasurySecurities


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-29
Value2.4282.4412.4632.4742.4782.4722.3422.3551.113
Percentage of AvailableForSaleSecuritiesDebtSecurities1.42.02.02.02.12.12.02.01.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:InvestmentType

us-gaap:MoneyMarketFunds


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-28
Value241417141415151417121112162627161418127.268118.5267.5949.7545.4861.061.7291.1685.2782.8212.499
Percentage of AvailableForSaleSecuritiesDebtSecurities14.312.014.611.911.613.613.312.714.911.110.411.115.223.625.115.213.116.711.36.610.87.87.09.05.11.01.71.15.12.72.4

us-gaap:BankOverdrafts

us-gaap:BankOverdrafts


Bank
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value7074744735365344434155394536423334293627303035293128343227212726272733262422252326232428
Percentage of BankOverdrafts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BuildingsAndImprovementsGross

us-gaap:BuildingsAndImprovementsGross


Buildings
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value6458585756393833332323
Percentage of BuildingsAndImprovementsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRestricted us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleRestricted

lstr:CurrentInvestments


Debt
Period End2020-12-262018-12-29
Value4140
Percentage of DebtSecuritiesAvailableForSaleRestricted100.0100.0

lstr:NonCurrentInvestments


Debt
Period End2020-12-262019-12-282018-12-29
Value303529
Percentage of DebtSecuritiesAvailableForSaleRestricted74.40.072.9

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-27
Value58555348686054
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent

us-gaap:DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent


Deferred
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262014-12-27
Value58505154544949514944404543373652555253565350594747
Percentage of DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value6056000.02935000.03843000.03666000.04336000.03836000.03616000.03863000.05076000.05316000.06137000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value2020000.02923000.05286000.02182000.01185000.02894000.02939000.03458000.04182000.05843000.05797000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value4286000.04004000.03414000.03244000.04518000.03832000.03623000.03354000.05386000.04570000.05014000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value3613000.03565000.04201000.04688000.06270000.04132000.05353000.05180000.05541000.05940000.05861000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value3772000.04223000.03812000.03773000.05883000.05877000.05619000.05553000.07190000.06721000.0
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value3087000.01531000.01608000.02016000.02851000.02087000.02192000.01960000.02417000.08259000.08284000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value5249484359524641393829
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPayableAmountPerShare

us-gaap:DividendsPayableAmountPerShare


Dividends
Period End2020-12-262019-12-282014-12-272013-12-28
Value2.02.01.00.35
Percentage of DividendsPayableAmountPerShare100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

lstr:NonVestedRestrictedStockAndDeferredStockUnits


Employee
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-01
Value5.6265.0543.3124.0744.8415.1743.6234.314.9964.7183.1843.7564.3274.2362.9673.3533.5
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-30
Value33393334353527262627
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions600.8787.51011.5849.3729.2680.3756.3612.5528.4582.9

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-262021-03-272020-12-262020-09-26
Value819010087
Percentage of FinanceLeaseLiability100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value303235343839423943
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value515865526061706184
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2021-06-262021-03-272020-12-262020-09-26
Value859510593
Percentage of FinanceLeaseLiabilityPaymentsDue100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-09-26
Value793000.0
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2021-06-262021-03-272020-12-262020-09-26
Value28283733
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-26
Value5580000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2021-06-262021-03-272020-12-262020-09-26
Value5.585.58116.742
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2021-06-262021-03-272020-12-262020-09-26
Value11112116
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2021-06-262021-03-272020-12-262020-09-26
Value21212824
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear


Finance
Period End2021-06-262021-03-272020-09-26
Value172711
Percentage of FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2021-06-262021-03-272020-12-262020-09-26
Value3656000.04332000.05083000.06380000.0
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset us-gaap:BalanceSheetLocation

us-gaap:FinanceLeaseRightOfUseAsset

lstr:PropertyPlantAndEquipmentNet


Finance
Period End2021-06-262021-03-272020-12-262020-09-26
Value123131139140
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2021-06-262021-03-272020-12-262020-09-26
Value3.03.03.03.2
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-262021-03-272020-12-262020-09-26
Value702000.0686000.0762000.0651000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-262021-03-272020-09-26
Value384000.0564000.0166000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:RevolvingCreditFacility


Letters
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-27
Value33333333343434343434623434333333353535353532323232333333
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:GuaranteeObligationsByNature

lstr:GuaranteePaymentOfInsuranceClaims


Letters
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-31
Value6564645961616161616262626261595959586161615957636157636664615959505045454545
Percentage of LettersOfCreditOutstandingAmount194.9193.1193.2176.8180.1179.0179.0179.0179.0181.4100.0181.7181.7184.8179.4181.1166.8164.9171.7171.7171.7181.2175.9193.0187.6175.0193.0200.30.00.00.00.00.00.00.00.00.00.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LetterOfCredit


Line
Period End2021-06-262021-03-272020-12-262020-09-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292012-09-292012-06-29
Value3535353550505050757575757575
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-262021-03-272020-12-262020-09-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-27
Value400400400400400400400400225225
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity1142.91142.91142.91142.9800.0800.0800.0800.0300.0300.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter


Operating
Period End2020-09-26
Value154000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueThereafter100.0

us-gaap:OtherReceivables

us-gaap:OtherReceivables


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252009-12-26
Value49401344027353525272723182027241820231817182818172129151254817377566455515460535325302318
Percentage of OtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentOther

us-gaap:PropertyPlantAndEquipmentOther


Property
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value8266625848484747464140
Percentage of PropertyPlantAndEquipmentOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SelfInsuranceReserveCurrent

us-gaap:SelfInsuranceReserveCurrent


Self
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value4139149465350445141404043423938342928262726221919222424297793928967656468697276754440
Percentage of SelfInsuranceReserveCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SelfInsuranceReserveCurrent lstr:SelfInsurancePerOccurrence

lstr:CommercialTruckingClaims


Self
Period End2020-12-26
Value104
Percentage of SelfInsuranceReserveCurrent69.4

us-gaap:SelfInsuranceReserveNoncurrent

us-gaap:SelfInsuranceReserveNoncurrent


Self
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value433938363433333331293030303030323027262323212122232221232323242320212125252527303131
Percentage of SelfInsuranceReserveNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

lstr:NonVestedRestrictedStockAndDeferredStockUnits


Share
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012016-12-312015-12-262014-12-27
Value124.55115.63103.65103.65103.54102.4598.2498.2498.2298.5193.6693.6693.6890.4578.0277.876.8358.9154.3654.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-29
Value102.97100.3193.4493.4493.4491.5184.3784.3786.1484.2666.3166.366.366.7255.7555.7555.855.7950.4650.4650.4850.4951.151.151.1152.0150.7250.7250.7250.7249.6349.5449.5449.5444.78
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue82.786.890.190.190.289.385.985.987.785.570.870.870.873.871.571.772.60.085.70.00.00.094.00.00.00.092.40.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber


Share
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312011-09-242010-12-252009-12-262008-12-27
Value17650.044467.088114.0169240.0282460.0415120.0379390.0693520.0661860.01110700.01110100.0936080.01225800.0822210.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2021-06-262021-03-272020-12-262020-09-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-262008-12-27
Value55.1555.1554.1653.4451.2450.3548.546.3945.1244.6142.2940.6439.7438.8532.4330.75
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2021-06-262021-03-272020-09-262011-12-31
Value1.3041.4111.49918
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:EmployeeStockOption


Share
Period End2020-12-26
Value1.433
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue0.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions


Share
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value17650.044467.089114.0189040.0372560.0637220.0773840.01454800.01781200.02326800.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

lstr:RangeOne


Share
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-29
Value1500.02900.06800.015400.048719.083612.0110310.04019.018019.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions8.56.57.68.113.113.114.30.31.0

lstr:RangeTwo


Share
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-29
Value16150.07500.018600.049250.095888.0215800.0275920.040880.055704.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions91.516.920.926.125.733.935.72.83.1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2021-06-262021-03-272020-09-262011-12-31
Value1304000.01411000.01499000.09091000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1


Sharebased
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value54.1651.2450.3548.546.3945.1244.6142.2940.6439.74
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

lstr:RangeFour


Sharebased
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-29
Value55.3137.0736.5736.4636.9637.0436.8542.7143.03
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1102.172.372.675.279.782.182.6101.0105.9

lstr:RangeThree


Sharebased
Period End2020-12-262013-12-282012-12-29
Value41.836.8837.11
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice177.287.291.3

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1


Sharebased
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value54.1651.2450.4449.3448.2447.2446.9244.5542.5640.11
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

lstr:RangeOne


Sharebased
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-29
Value41.837.0736.5736.4636.9637.0437.1324.8818.77
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance177.272.372.573.976.678.479.155.844.1

lstr:RangeTwo


Sharebased
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-29
Value55.3141.841.841.7641.7642.1242.2932.1332.13
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1102.181.682.984.686.689.290.172.175.5

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased


Stock
Period End2020-12-262018-12-29
Value1821000.01000000.0
Percentage of StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value648000.0690000.0653000.0627000.0547000.0727000.0744000.0628000.0626000.02214000.02797000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:ValuationAllowancesAndReservesBalance


Valuation
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-262008-12-27
Value1716131311109.6718.9891414131211
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

lstr:OtherNonCurrentReceivables


Valuation
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-262008-12-27
Value0.2640.260.2560.2510.2440.2380.230.2220.2390.2740.3120.3190.316
Percentage of ValuationAllowancesAndReservesBalance1.51.61.81.92.02.42.42.51.61.92.42.52.8

lstr:OtherReceivables


Valuation
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-262008-12-27
Value8.3998.8067.2116.9526.5495.5555.1034.9945.6127.7687.4996.7274.866
Percentage of ValuationAllowancesAndReservesBalance48.553.952.052.154.854.952.855.638.753.157.153.442.6

us-gaap:AllowanceForCreditLoss


Valuation
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-26
Value8.677.2846.4136.1315.1614.327
Percentage of ValuationAllowancesAndReservesBalance50.044.646.246.043.242.8

Line plots across dimensions of each concept


Operating Margin
us-gaap:StatementBusinessSegments
(None,)
Operating  Marginus-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments
(None,)
Operating Income Lossus-gaap: Statement Business Segments
us-gaap:Revenues
us-gaap:StatementBusinessSegments
(None,)
Revenuesus-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:StatementBusinessSegments
(None,)
Assetsus-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components