WMK


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

Table of contents



us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpenseDebt

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingIncomeLoss
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:MarketableSecuritiesCurrent

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:EquitySecuritiesFvNi

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:StatementEquityComponents
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:Dividends
us-gaap:StatementEquityComponents

us-gaap:DeferredTaxLiabilities

us-gaap:UnrecognizedTaxBenefits

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable

us-gaap:InvestmentIncomeNet

us-gaap:LeaseCost

us-gaap:OperatingLeaseCost

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:SubleaseIncome

us-gaap:VariableLeaseCost

wmk:CostOfSalesIncludingWarehousingAndDistributionExpenses

wmk:IncreaseDecreaseInAccountsReceivableAndPrepaidExpenses

wmk:InvestmentIncomeLossAndInterestExpense
us-gaap:RetirementPlanType

wmk:PaymentsForSerpInvestments

wmk:PaymentsToAcquireIntangibleAssetsNet

wmk:UnrealizedGainLossInSerp

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AociTaxAttributableToParent

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:CashAndCashEquivalents
us-gaap:CashEquivalentsAtCarryingValue

us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesOtherComprehensiveIncome

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

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

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:LIFOInventoryAmount

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:CreditFacility, us-gaap:LineOfCreditFacility
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility, us-gaap:LineOfCreditFacility

us-gaap:MarketableSecurities

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:PrepaidExpenseCurrent

us-gaap:SelfInsuranceReserveCurrent

us-gaap:SelfInsuranceReserveNoncurrent

us-gaap:StockholdersEquityBeforeTreasuryStock

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:WeightedAverageCostInventoryAmount

wmk:AccountsReceivableEarnedAdvertisingCredits

wmk:AccountsReceivableEarnedPromotionalDiscounts

wmk:DeferredTaxAssetsUnrecognizedTaxBenefits

wmk:FutureSubleaseIncome

wmk:IntangibleAssetsAssetsAndOtherAssetsNetExcludingGoodwill

wmk:PercentageOfFacilitiesUnderOperatingLease

wmk:PostretirementBenefitObligations

wmk:RetirementPlansAccumulatedBenefitObligation

wmk:SerpInvestment

wmk:StopLossInsuranceAggregatingDeductible

wmk:SubleaseIncomeDueNextTwelveMonths

wmk:SubleaseIncomeDueYearFive

wmk:SubleaseIncomeDueYearFour

wmk:SubleaseIncomeDueYearThree

wmk:SubleaseIncomeDueYearTwo

wmk:SubleaseIncomeNet

wmk:SubleaseIncomePaymentsDueAfterYearFive

wmk:UnearnedIncomeForVendorPrograms

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Interest Expense Debt
Balance Sheet
Intangible Assets Net Excluding Goodwill
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Contract With Customer Liability Current
Stockholders Equity
Common Stock Value
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Inventories
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four

Tables

  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 26.898443NANANA26.898443NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA26.898443NANANA26.898606
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 26.898443NANANA26.898443NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA26.898443NANANA26.898492
us-gaap:EarningsPerShareBasic 1.24NANANA1.54NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareDiluted 1.24NANANA1.54NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted NA0.90.731.161.540.990.70.530.760.530.490.530.710.62.370.160.690.441.520.40.570.750.610.480.610.490.510.510.480.550.590.430.90.750.830.640.860.740.720.630.770.690.520.610.76
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
 TTM Greenblatt ROC _ _▇▅▄▆█▅▄▃▄▂▃▃▄▃▃▁▄▃▄▂▄▅▄▃▄▃▃▃▃▃▄▃▅▄▅▄▅▄▄▄▅▄45.55931.83426.94242.80656.00237.42825.28617.50425.86915.97917.17217.54226.03722.83922.2636.19427.71820.2527.03615.96324.05731.2725.76819.58125.20219.50121.02619.94419.43822.30324.80517.84437.61730.91634.83226.46235.30930.4328.20426.13431.6928.253NANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:ComprehensiveIncomeNetOfTax ▄▃▃▄▅▄▃▂▃▂▂▂▃▂█▁▃▂▅▂▂▃▂▂▂▂▂▂▂▂▂▂▃▃▃▂▃▃▃▂▃▃33.66723.48119.74731.69842.50126.77818.914.44620.92914.92513.6914.03219.05315.82764.5324.73318.27711.940.4710.22615.77120.78716.86612.54716.29813.12413.6313.72113.0315.67616.11611.33622.4820.7121.14317.41923.62219.919.7516.93521.02818.416NANANA
us-gaap:GeneralAndAdministrativeExpense █▇█▇█▇▆▆▆▆▆▆▆▆▆▆▆▆▇▄▃▃▃▃▃▃▃▂▂▂▁▂▁▂▁▁▁▁▂▂▁▁▁▁▁235.633235.556242.126231.527236.886226.719213.861215.321210.801213.573210.287214.798214.258212.068211.682216.645212.161209.546231.206188.901177.881175.842172.783174.566173.717175.614171.818165.733168.286164.465156.451164.919152.705160.211155.721154.814152.29152.695163.345157.012150.967150.251150.711152.708151.872
us-gaap:GrossProfit ▇▇▇▇█▆▅▅▅▄▄▄▅▅▅▄▅▄▆▃▃▃▃▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▂281.192267.39269.066274.333292.888264.147239.147232.825236.67229.552227.459232.34240.295234.907233.945222.839239.879229.796258.241204.864201.938207.112198.551194.147198.919195.115192.793185.677187.724186.768181.256182.763190.322191.127190.553181.276187.599183.125191.548183.146182.657178.504171.834177.72184.374
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest 45.868NANANA56.45NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments NA32.6727.66643.47856.4536.08523.8518.97126.94818.87415.0518.63826.14222.30722.9686.85128.1321.07451.38716.62924.73931.90726.62519.15925.78720.03321.54720.30120.09423.05625.55818.97339.44131.89335.31227.23136.88531.48729.26126.36132.64129.34421.69925.64632.769
us-gaap:IncomeTaxExpenseBenefit █▇▇██▇▇▇▇▇▆▇▇▇▁▆▇▇▇▇▇█▇▇▇▇▇▇▇▇▇▇███▇██▇▇█▇▇▇█12.3968.4158.24612.14214.9789.3964.9654.6526.4734.571.8044.4317.0476.116-40.6862.4029.6559.23810.2466.0019.47411.77810.0496.3719.3576.9247.6516.5947.2968.299.8377.28115.26211.76413.20810.05313.68111.4619.969.37911.9410.7437.6159.3312.26
us-gaap:IncomeTaxesPaidNet ▃▁▃█▁▁▂▁▃▁▁▁▂▁▁▁▄▁▁▃▅▁7.61.19.59999999999999631.9500000000000030.6610.0893.51.29.3490.0511.31.83.40.00.20.412.40.01.69.719.5430.157NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpenseDebt ▁▁▁▁▁▁▁▁▁▁▁▂▃▅▇▅██0.0080.0080.0080.0080.010.0090.0120.010.0140.0180.0190.0290.0730.1670.2390.1740.260.273NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestPaidNet ▁▁▁▁▁▁▁▁▁▂▂▂▄▅▆▆█▇0.0070.0090.0070.0080.0090.010.0150.0010.0130.0360.0240.0410.1380.180.2210.2120.2820.258NANA0.00.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▃▃▄▅▄▃▂▃▂▂▂▃▂█▁▃▂▅▂▂▃▂▂▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▂▃▃▂▂▃33.47224.25519.4231.33641.47226.68918.88514.31920.47514.30413.24514.20719.09516.19163.6544.44918.47511.83641.1410.62815.26520.12916.57512.78816.4313.10913.89613.70712.79814.76615.72111.69224.17920.12922.10317.17823.20420.02619.316.98220.70118.60114.08416.31620.509
us-gaap:NonoperatingIncomeExpense ▂▃▂▃▁█▃▄▄▂-1.831-0.775-2.156-1.218-2.6182.676-0.74-0.039-0.428-1.841NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▇▅▄▆█▅▄▃▄▂▃▃▄▃▃▁▄▃▄▂▄▅▄▃▄▃▃▃▃▃▄▃▅▄▅▄▅▄▄▄▅▄▃▄▅45.55931.83426.94242.80656.00237.42825.28617.50425.86915.97917.17217.54226.03722.83922.2636.19427.71820.2527.03615.96324.05731.2725.76819.58125.20219.50121.02619.94419.43822.30324.80517.84437.61730.91634.83226.46235.30930.4328.20426.13431.6928.25321.12325.01232.502
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLossNA-0.7740.327NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▇▇▇█▆▅▅▅▅▅▄▅▅▅▄▅▄▅▃▂▂▂▂▂▂▂▂▂▂▂▁▁▂▂▁▂▁▂▂▂▁▁▁▁1047.3491006.341025.691002.3871098.704985.82902.392876.222887.967876.718892.988869.076871.1876.106883.748854.261876.569852.229925.097742.986730.433738.204734.063711.879718.38712.426713.788683.893691.875687.127686.392661.412662.072682.712694.307668.391677.097661.61737.777678.612676.66659.455662.479639.967653.677
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:Assets ███▇▇▇▇▆▆▆▅▅▄▅▅▄▄▄▅▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁1825.5131784.9231820.4211756.7331739.131716.3641675.5621637.4411601.9131607.8011432.0111424.2631412.2651418.6071441.7391405.9481392.6941399.3931431.3041300.031228.7891232.9781235.9591202.851187.9311187.2631191.1191159.0151146.431157.8941148.2421133.7361124.0851118.5681090.441073.7641068.261044.4751029.0041017.9971006.926NA992.081NANA
us-gaap:Liabilities ▇▇█▇▇▇▇▇▆▆▄▄▃▄▄▅▄▅▅▄▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁638.928623.666674.306622.027627.783639.179616.817589.257559.837578.316409.112406.718400.682418.007448.895468.524451.934468.841504.582405.709336.624348.514364.212339.9316.816324.377333.287306.744299.81316.235314.189307.73301.345310.238294.75291.147294.991286.759283.118256.893254.958NA263.954NANA
us-gaap:LiabilitiesAndStockholdersEquity ███▇▇▇▇▆▆▆▅▅▄▅▅▄▄▄▅▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁1825.5131784.9231820.4211756.7331739.131716.3641675.5621637.4411601.9131607.8011432.0111424.2631412.2651418.6071441.7391405.9481392.6941399.3931431.3041300.031228.7891232.9781235.9591202.851187.9311187.2631191.1191159.0151146.431157.8941148.2421133.7361124.0851118.5681090.441073.7641068.261044.4751029.0041017.9971006.926NA992.081NANA
us-gaap:StockholdersEquity ██▇▇▇▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁1186.5851161.2571146.1151134.7061111.3471077.1851058.7451048.1841042.0761029.4851022.8991017.5451011.5831000.6992.844937.424940.76930.552926.722894.321892.165884.464871.747862.95871.115862.886857.832852.271846.62841.659834.053826.006822.74808.33795.69782.617773.269757.716745.886761.104751.968NA728.127NANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:AssetsCurrent █▇█▇▇▆▄▄▃▃▃▃▃▃▄▃▃▃▄▂▂▂▃▂▂▂▂▁▁▁▁▁▂▂▁▂▂▂▁▂▂614.457586.996626.202586.745578.379551.734508.292492.615464.339460.55469.122468.374452.927461.971483.314459.363452.12458.818483.866430.992432.312444.474454.65432.785428.799427.643434.393406.626399.364412.82404.748412.42417.549425.132413.157417.367434.072430.023415.562426.759424.404NA428.373NANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇▅▇▆▆█▄▄▃▂▂▂▂▃▁▁▁▁▁▁▂▂▁▁▂▁▂▂▁▂▁▂▂▂▁▂▃▂▂▄▄▅▆▇▆141.205101.217136.612117.408108.66158.27966.87176.58151.64631.78737.80838.31234.62350.21521.30520.15417.58212.29514.65312.54834.25530.40117.59615.85223.87817.11222.98625.24421.72626.91517.96528.22436.31724.42721.43934.32346.74337.22937.39278.27570.79388.387109.14129.776109.339
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents 141.205NA136.612NA108.66NA66.871NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MarketableSecuritiesCurrent 115.541NA111.855NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▁▁▃▂▂▃▃▂▃▂▃▃▂▂▆▅▅▆█▅▅▆▇▄▄▄▅▄▄▄▃▃▃▄▃▂▃▂▂▂▂42.10944.59856.7650.72648.54156.95255.76453.11854.37347.95157.28556.10252.83548.45282.87771.62976.02477.45596.1773.42269.79982.99488.08367.07769.10966.08670.64263.66867.52662.30657.19354.12455.23265.5353.84252.28758.44852.33852.4147.11552.125NA53.302NANA
us-gaap:InventoryNet ▆▇▇▆█▂█▆▆███▇▆█▆▆▇▇▂▁▁▂▂▂262.959276.733269.024265.99278.456233.421279.806263.237266.343280.618280.756280.897273.416267.065279.509268.17267.077275.217276.783229.361223.798226.047229.399231.158230.961NA239.641NANANANANANANANANANANANANANANANANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent 26.314NA29.187NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:PropertyPlantAndEquipmentGross NANA2302.294NANANA2188.705NANANA2140.361NANANA2090.871NANANA2029.773NANANA1833.252NANANA1752.56NANANA1684.698NANANA1592.764NANANA1488.915NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA779.927NANANA736.812NANANA713.128NANANA693.898NANANA655.487NANANA586.903NANANA544.309NANANA527.789NANANA508.253NANANA492.024NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:EquipmentNANA1159.084NANANA1096.252NANANA1069.616NANANA1054.986NANANA1033.967NANANA949.975NANANA911.169NANANA874.008NANANA817.822NANANA759.158NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA137.89NANANA137.977NANANA133.386NANANA129.878NANANA134.813NANANA106.125NANANA103.24NANANA97.906NANANA97.81NANANA93.676NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA225.393NANANA217.664NANANA224.231NANANA212.109NANANA205.506NANANA190.249NANANA193.842NANANA184.995NANANA168.879NANANA144.057NANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA1377.865NANANA1301.777NANANA1252.753NANANA1204.628NANANA1151.578NANANA1094.267NANANA1035.7NANANA979.713NANANA954.13NANANA913.912NANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ███▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▁▁946.06932.552924.429897.768887.285886.856886.928880.566877.212883.27887.608880.983886.223883.424886.243874.777870.507870.072878.195793.803753.521745.679738.985728.456717.915719.158716.86712.819708.272706.598704.985682.964667.584654.866638.634617.848595.483575.702575.003552.717543.919NA525.062NANA
us-gaap:Goodwill ███████████████████▆▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁52.3352.3352.3352.3352.3352.3352.3352.3352.3352.3352.3352.3352.3352.3352.3352.3352.3352.3352.3348.36235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.16235.162NA35.162NANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass wmk:LiquorLicensesNANA15.032NANANA14.905NANANA14.226NANANA11.121NANANA8.423NANANA5.965NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill NANA16.77NANANA17.1NANANA21.121NANANA19.166NANANA16.67326.8737.7947.6637.1626.4476.0555.34.7044.4083.6323.3143.3473.193.793.4083.4873.373.3143.283.2773.3593.441NA3.484NANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass wmk:AssetAcquisitionsAndOtherNANA1.738NANANA2.195NANANA6.895NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ███████▇▇▇▁195.392195.637199.901202.058202.84207.735210.196194.149189.953193.8340.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FinancialInstrument us-gaap:FairValueInputsLevel1,us-gaap:EquitySecuritiesNA7.6487.417.3087.1887.2789.2018.8628.074NA7.226NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:AccountsPayableCurrent ▆▅█▆▅▇▅▅▄▅▆▆▆▇█▆▅▅▆▄▂▂▄▃▂▂▃▂▁▂▂▂▁▂▂▂▂▂▂▁▁186.991184.536221.566188.714181.088208.027180.718183.415168.07177.453191.099191.798192.209200.155216.252186.58178.732170.897199.159163.87136.463138.697160.441141.691133.366137.319144.812128.874123.457131.97133.568130.448121.357129.238126.258127.963131.657127.114132.092118.112119.171NA134.278NANA
us-gaap:AccruedIncomeTaxesCurrent ▄▃▂▃█▅▃▃▃▄▃▂▂▂▁13.28210.2045.0588.78332.87817.5258.19710.8939.4312.8367.2836.596.3824.9740.0NANA0.3230.0NA4.40611.1070.03.3146.8365.6660.00.5331.5835.641.6280.05.8356.3591.35912.25712.08712.20.0NANANANANANA
us-gaap:AccruedLiabilitiesCurrent ▅▄█▅▄▄▅▃▁▂▆▆▄▄▃▄▃▄█▇▆▆▄▄▃▃▄▃▂▃▂▂▂▃▂▁▃▃▄▃▃39.19535.39450.59138.335.77835.38239.52831.66324.8828.09145.35442.2937.89134.64133.40334.74432.18734.94950.94746.90643.62443.61637.81935.98332.77730.87534.5931.87729.3130.61927.41630.3428.96832.50227.19325.53931.80133.15735.08131.11131.46NA28.803NANA
us-gaap:ContractWithCustomerLiabilityCurrent ▄▅█▃▂▂▅▁▂▂▅▁▁7.3967.94710.5836.5396.2446.3378.6625.5715.7835.8987.9615.2495.212NA7.217NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▆▆█▆▇▇▆▅▅▅▅▅▄▅▅▄▃▃▅▃▂▃▃▂▂▂▂▂▁▂▂▂▁▂▁▂▂▂▂▁▁307.823298.039346.269300.662311.318321.809291.938284.675260.792277.164267.213261.598258.643261.63274.342240.376228.92226.333276.166231.502205.726215.103221.928209.524203.32203.32210.617191.072181.916199.423193.22192.299185.157197.897183.409193.858202.821199.476195.603175.028178.647NA194.984NANA
us-gaap:OperatingLeaseLiabilityCurrent ██████████▁39.57339.35239.16539.29738.04838.74139.11438.22337.62437.480.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:DeferredIncomeTaxLiabilitiesNet █▇▆▄▁▁▁107.086105.231103.404100.86396.41697.05697.041NANANA90.793NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▆▅▅▅▄▄▅▅▅▄███▇▇▅▅▅▄▁▁▁▅▄▃▃▂▂▃▂▃▃▄▃▄▄▃11.2399.2669.5158.6297.6416.6018.4168.2498.1637.99915.20114.72114.20513.53313.5949.6718.8768.387.8651.8041.0380.9628.1356.6875.4844.5333.2422.2564.2693.3035.9345.9456.4585.6837.0266.1245.283NA3.783NANANANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▇▇█████▇▇▇▁163.786164.547169.064171.125172.97177.371179.654164.934161.387165.3570.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA41.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA37.108NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA31.925NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA23.953NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA59.734NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:StockholdersEquity ██▇▇▇▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁1186.5851161.2571146.1151134.7061111.3471077.1851058.7451048.1841042.0761029.4851022.8991017.5451011.5831000.6992.844937.424940.76930.552926.722894.321892.165884.464871.747862.95871.115862.886857.832852.271846.62841.659834.053826.006822.74808.33795.69782.617773.269757.716745.886761.104751.968NA728.127NANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁1324.7871299.6531283.7371272.6551249.6571216.5241198.1731187.6271181.6471169.511163.5451158.6361152.4991141.4741127.8721073.331076.951066.5441062.7781029.7061027.1481019.9531007.894999.3871007.311998.95993.911988.084982.447977.718971.022963.37959.748943.638931.579917.545908.437893.302881.346897.013887.832NA864.132NANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLossNA2.5123.2862.9592.5981.5691.481.4651.3370.8830.262-0.183-0.0080.0345.885.0024.7184.9164.8525.5235.9255.4194.7614.4714.7124.8444.8295.0955.0814.8493.9393.5443.95.65.019NANANA5.448NANANANANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▁▆▄▁█▂▄▃▃▃▂▃▄▄▂▄▁84.90714.93783.80955.10614.312124.76331.6561.0745.30733.65936.31827.83533.4450.78764.42132.57855.4577.805NANANANANANA32.89231.02631.4435.94721.53134.19233.59430.67442.20436.1628.38731.42641.16722.98148.50541.15130.49532.25834.70435.488NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▃▁▄▁▆▅▆█▅▆█▇▇▅▆▇█-36.581-41.993-56.267-38.019-55.593-25.016-33.022-27.796-17.11-31.341-28.485-16.076-23.051-23.343-33.773-25.896-22.409-15.318NANANANANANA-18.057-28.83-25.629-24.359-18.651-17.172-28.726-30.696-22.246-25.102-33.201-35.776-23.585-15.074-54.42-25.868-40.289-45.21-47.539-7.25NA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▆▆▆▆▆▆▆▆▆▆▆▁▂▂▆▁█-8.338-8.339-8.338-8.339-8.338-8.339-8.338-8.339-8.338-8.339-8.337-8.07-25.981-25.146-25.167-7.935-26.992-1.672NANANANANANA-8.069-8.07-8.069-8.07-8.069-8.07-8.069-8.071-8.068-8.07-8.07-8.07-8.068-8.07-34.968-7.801-7.8-7.801-7.801-7.801NA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:DeferredIncomeTaxExpenseBenefit ▅▅▅▅▄▅▅▅▅▄▅▅▅▄▁▅▄▅▅▅▄▄▅▅▄▄▅▅▄▄▅▅▅▅▆▅▄▄▅▅▅▅█▅1.7782.1332.414.304-1.036-0.0214.2821.9650.532-1.014-0.3342.3732.284-0.905-40.8553.105-1.7197.4768.3312.147-3.622-1.1534.7172.54-3.589-3.883.4144.258-2.579-1.3081.0073.112.583.6813.5665.123-0.894-2.1844.2985.4285.4341.56339.8-0.346NA
us-gaap:DepreciationDepletionAndAmortization █▇▇█▆▆▆▆▅▅▆▆▅▅▄▄▄▃▃▂▁▁25.91125.35925.36726.20923.90823.88623.84923.53323.19923.12523.97823.45223.37422.76321.89221.36321.19820.96220.66419.21118.61918.368NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInInventories ▃▅▅▄█▁▆▄▃▅▅▅▅▄▅▅▄▄█▅▄▄▄▅▄▄▆▅▄▄▅▅▄▄▅▅▄▆▅▄▅▄▅▅-13.7737.7093.034-12.46545.034-46.38516.569-3.106-14.275-0.138-0.1417.4816.351-12.44411.3391.093-8.14-1.56641.4352.268-2.249-3.352-1.7590.197-5.587-3.09319.9090.801-11.746-9.7757.033-0.533-7.609-3.6828.7460.209-5.02114.0023.597-2.6511.849-7.6250.96810.231NA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▅▄▅▄█▅▄▄▅▄▄▅▄▄▃▆▄▅▄▄▄▄▄▄▄▄▅▅▅▄▄▅▅▄▅▄▄▅▄▅▁▆▄▄0.083-0.3880.495-0.1534.226-0.053-0.85-0.4850.101-0.588-0.1560.147-0.158-0.398-1.7721.816-0.60.11-0.191-0.241-0.204-0.525-0.294-0.382-0.259-0.1831.0120.097-0.046-0.168-0.686-0.0610.321-0.239-0.035-0.296-0.6060.25-1.142-0.121-4.4871.721-1.278-0.135NA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▁▆▄▁█▂▄▃▃▃▂▃▄▄▂▄▁84.90714.93783.80955.10614.312124.76331.6561.0745.30733.65936.31827.83533.4450.78764.42132.57855.4577.805NANANANANANA32.89231.02631.4435.94721.53134.19233.59430.67442.20436.1628.38731.42641.16722.98148.50541.15130.49532.25834.70435.488NA
us-gaap:NetIncomeLoss ▄▃▃▄▅▄▃▂▃▂▂▂▃▂█▁▃▂▅▂▂▃▂▂▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▂▃▃▂▂▃33.47224.25519.4231.33641.47226.68918.88514.31920.47514.30413.24514.20719.09516.19163.6544.44918.47511.83641.1410.62815.26520.12916.57512.78816.4313.10913.89613.70712.79814.76615.72111.69224.17920.12922.10317.17823.20420.02619.316.98220.70118.60114.08416.31620.509
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▃▁▄▁▆▅▆█▅▆█▇▇▅▆▇█-36.581-41.993-56.267-38.019-55.593-25.016-33.022-27.796-17.11-31.341-28.485-16.076-23.051-23.343-33.773-25.896-22.409-15.318NANANANANANA-18.057-28.83-25.629-24.359-18.651-17.172-28.726-30.696-22.246-25.102-33.201-35.776-23.585-15.074-54.42-25.868-40.289-45.21-47.539-7.25NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▇▆█▅▄▄▅▄▃▄▅▂▄▃▅▄▃▂█▇▄▅▄▄▂▃▃▃▂▂▆▅▄▅▅▆▄▁▆▄▄▃▆▁40.70737.04347.41733.84324.88324.84831.37225.74919.89124.44431.19218.13724.52321.84430.50125.02223.27817.05645.48542.18524.53929.93525.33625.89518.35520.62421.1522.22117.92617.8838.76932.0127.25930.01734.36335.05327.33713.02138.34424.82124.62422.72836.27210.914NA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▆▆▆▆▆▆▆▆▆▆▆▁▂▂▆▁█-8.338-8.339-8.338-8.339-8.338-8.339-8.338-8.339-8.338-8.339-8.337-8.07-25.981-25.146-25.167-7.935-26.992-1.672NANANANANANA-8.069-8.07-8.069-8.07-8.069-8.07-8.069-8.071-8.068-8.07-8.07-8.07-8.068-8.07-34.968-7.801-7.8-7.801-7.801-7.801NA
us-gaap:PaymentsOfDividendsCommonStock ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁8.3388.3398.3388.3398.3388.3398.3388.3398.3388.3398.3378.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.0718.0688.078.078.078.0688.0734.9687.8017.87.8017.7997.801NA
us-gaap:Dividends NA8.3398.3388.3398.3398.3398.3388.3398.3398.3398.3378.0698.0698.0688.069NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Dividends us-gaap:StatementEquityComponents us-gaap:RetainedEarningsNA8.3398.3388.3398.3398.3398.3388.3398.3398.3398.3378.0698.0698.0688.069NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-262020-06-272011-06-252010-06-26
Value26262626
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-262020-06-272011-06-252010-06-26
Value26262626
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-262020-06-27
Value1.241.54
Percentage of EarningsPerShareBasic100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-262020-06-27
Value1.241.54
Percentage of EarningsPerShareDiluted100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value0.90.731.161.540.990.70.530.760.530.490.530.710.62.370.160.690.441.520.40.570.750.610.480.610.490.510.510.480.550.590.430.90.750.830.640.860.740.720.630.770.690.520.610.76
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value3323193142261814201413141915644.7331811401015201612161313131315161122202117231919162118
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.22.31.93.23.92.72.11.62.41.71.51.62.21.87.30.62.11.44.41.42.22.82.31.82.31.81.92.01.92.32.31.73.43.03.02.63.53.02.72.53.12.8

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
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
Value235235242231236226213215210213210214214212211216212209231188177175172174173175171165168164156164152160155154152152163157150150150152151
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.523.423.623.121.623.023.724.623.724.423.524.724.624.224.025.424.224.625.025.424.423.823.524.524.224.724.124.224.323.922.824.923.123.522.423.222.523.122.123.122.322.822.723.923.2

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
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
Value281267269274292264239232236229227232240234233222239229258204201207198194198195192185187186181182190191190181187183191183182178171177184
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.826.626.227.426.726.826.526.626.726.225.526.727.626.826.526.127.427.027.927.627.628.127.027.327.727.427.027.227.127.226.427.628.728.027.427.127.727.726.027.027.027.125.927.828.2

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-262020-06-27
Value4556
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.45.1

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value32274356362318261815182622226.8512821511624312619252021202023251839313527363129263229212532
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.22.74.35.13.72.62.23.02.21.72.13.02.52.60.83.22.55.62.23.44.33.62.73.62.83.03.02.93.43.72.96.04.75.14.15.44.84.03.94.84.43.34.05.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value128.4158.24612149.3964.9654.6526.4734.571.8044.4317.0476.116-40.6862.4029.6559.238106.0019.47411106.3719.3576.9247.6516.5947.2968.299.8377.2811511131013119.969.37911107.6159.3312
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.20.80.81.21.41.00.60.50.70.50.20.50.80.7-4.60.31.11.11.10.81.31.61.40.91.31.01.11.01.11.21.41.12.31.71.91.52.01.71.41.41.81.61.11.51.9

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-26
Value7.61.19.599999999999996310.6610.0893.51.29.3490.0511.31.83.40.00.20.4120.01.69.7190.157
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.10.93.20.10.00.40.11.10.00.10.20.40.00.00.01.40.00.21.32.70.0

Interest Expense Debt

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


Interest
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-01
Value8000.08000.08000.08000.010000.09000.012000.010000.014000.018000.019000.029000.073000.0167000.0239000.0174000.0260000.0273000.0
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-06-252016-03-26
Value7000.09000.07000.08000.09000.010000.015000.01000.013000.036000.024000.041000.0138000.0180000.0221000.0212000.0282000.0258000.000
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value3324193141261814201413141916634.4491811411015201612161313131214151124202217232019162018141620
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.22.41.93.13.82.72.11.62.31.61.51.62.21.87.20.52.11.44.41.42.12.72.31.82.31.81.92.01.82.12.31.83.72.93.22.63.43.02.62.53.12.82.12.53.1

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-30
Value332419314126181420141314191663
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.22.41.93.13.82.72.11.62.31.61.51.62.21.87.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-30
Value-1831000.0-775000.0-2156000.0-1218000.0-2618000.02676000.0-740000.0-39000.0-428000.0-1841000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.1-0.2-0.1-0.20.3-0.1-0.0-0.0-0.2

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value4531264256372517251517172622226.1942720271524312519251921191922241737303426353028263128212532
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.33.22.64.35.13.82.82.02.91.81.92.03.02.62.50.73.22.42.92.13.34.23.52.83.52.72.92.92.83.23.62.75.74.55.04.05.24.63.83.94.74.33.23.95.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-03-272020-12-26
Value-774000.0327000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value10471006102510021098985902876887876892869871876883854876852925742730738734711718712713683691687686661662682694668677661737678676659662639653
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Revenue
Period End2021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-30
Value100610021098985876887876892869871
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SalesRevenueNet us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

wmk:FuelProduct


Revenue
Period End2021-06-262020-06-272019-03-302018-09-292018-06-302018-03-312017-09-302017-07-01
Value4323263333282727
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.22.13.03.93.83.33.33.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.22.13.03.93.83.33.33.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wmk:FuelProduct100.0100.0100.0100.0100.0100.0100.0100.0

wmk:Grocery


Revenue
Period End2021-06-262020-06-272019-03-302018-09-292018-06-302018-03-312017-09-302017-07-01
Value900987766743757768731768
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.989.987.585.587.087.785.787.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.989.987.585.587.087.785.787.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wmk:Grocery100.0100.0100.0100.0100.0100.0100.0100.0

wmk:Manufacturing


Revenue
Period End2021-06-262020-06-272019-03-302018-09-292018-06-302018-03-312017-09-302017-07-01
Value2.0432.2651.571141.4961.502161.342
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.21.70.20.21.90.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.21.70.20.21.90.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wmk:Manufacturing100.0100.0100.0100.0100.0100.0100.0100.0

wmk:Pharmacy


Revenue
Period End2021-06-262020-06-272019-03-302018-09-292018-06-302018-03-312017-09-302017-07-01
Value10185817778777778
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.77.89.38.99.08.99.19.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.77.89.38.99.08.99.19.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wmk:Pharmacy100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

wmk:FuelProduct, us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Revenue
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-30
Value343232232934343326303333
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.43.23.22.13.03.83.93.73.03.43.93.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.43.23.22.13.03.83.93.73.03.43.93.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wmk:FuelProduct us-gaap:SalesRevenueNet us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:Grocery, us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Revenue
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-30
Value874898878987863779754767766780756757
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax86.987.687.689.987.686.386.286.587.587.487.187.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax86.987.687.689.987.686.386.286.587.587.487.187.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wmk:Grocery us-gaap:SalesRevenueNet us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:Manufacturing, us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Revenue
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-30
Value2.2982.8072.4282.2652.7733.1072.6772.1281.5711.2121.2621.496
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.20.20.30.30.30.20.20.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.20.20.30.30.30.20.20.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wmk:Manufacturing us-gaap:SalesRevenueNet us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:Pharmacy, us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Revenue
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-30
Value959289858986848481807778
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.59.08.97.89.19.59.79.59.39.08.99.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.59.08.97.89.19.59.79.59.39.08.99.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wmk:Pharmacy us-gaap:SalesRevenueNet us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value18251784182017561739171616751637160116071432142414121418144114051392139914311300122812321235120211871187119111591146115711481133112411181090107310681044102910171006992
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value638623674622627639616589559578409406400418448468451468504405336348364339316324333306299316314307301310294291294286283256254263
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.034.937.035.436.137.236.836.034.936.028.628.628.429.531.133.332.533.535.331.227.428.329.528.326.727.328.026.526.227.327.427.126.827.727.027.127.627.527.525.225.326.6

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value18251784182017561739171616751637160116071432142414121418144114051392139914311300122812321235120211871187119111591146115711481133112411181090107310681044102910171006992
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-252009-12-262008-12-27
Value11861161114611341111107710581048104210291022101710111000992937940930926894892884871862871862857852846841834826822808795782773757745761751728690661
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 Assets65.065.163.064.663.962.863.264.065.164.071.471.471.670.568.966.767.566.564.768.872.671.770.571.773.372.772.073.573.872.772.672.973.272.373.072.972.472.572.574.874.773.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-262020-12-26
Value2.7063.286
Percentage of StockholdersEquity0.20.3
Percentage of Assets0.10.2
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-26
Value2.7062.5123.2862.9592.5981.5691.481.4651.3370.8830.262-0.183-0.0080.0345.885.0024.8524.7614.8293.9395.0195.4484.9034.628
Percentage of StockholdersEquity0.20.20.30.30.20.10.10.10.10.10.0-0.0-0.00.00.60.50.50.50.60.50.60.70.70.7
Percentage of Assets0.10.10.20.20.10.10.10.10.10.10.0-0.0-0.00.00.40.40.30.40.40.30.50.50.50.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-26
Value132412991283127212491216119811871181116911631158115211411127107310621007993971931881864827
Percentage of StockholdersEquity111.6111.9112.0112.2112.4112.9113.2113.3113.4113.6113.7113.9113.9114.1113.6114.5114.7115.6115.9116.4117.1118.2118.7119.7
Percentage of Assets72.672.870.572.471.970.971.572.573.872.781.381.381.680.578.276.374.381.583.484.685.485.787.10.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-26
Value-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.855
Percentage of StockholdersEquity-12.7-13.0-13.2-13.3-13.6-14.0-14.2-14.4-14.5-14.7-14.7-14.8-14.9-15.1-15.2-16.1-16.3-17.3-17.6-18.1-19.0-20.2-20.7-21.8
Percentage of Assets-8.3-8.5-8.3-8.6-8.7-8.8-9.0-9.2-9.4-9.4-10.5-10.6-10.7-10.6-10.5-10.7-10.5-12.2-12.7-13.1-13.8-14.7-15.20.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value614586626586578551508492464460469468452461483459452458483430432444454432428427434406399412404412417425413417434430415426424428
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.732.934.433.433.332.130.330.129.028.632.832.932.132.633.532.732.532.833.833.235.236.036.836.036.136.036.535.134.835.735.236.437.138.037.938.940.641.240.441.942.143.2

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-262009-12-262008-12-27
Value1411011361171081586676513137383450212017121412343017152317222521261728362421344637377870881091291096759
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.75.77.56.76.29.24.04.73.22.02.62.72.53.51.51.41.30.91.01.02.82.51.41.32.01.41.92.21.92.31.62.53.22.22.03.24.43.63.67.77.00.011.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-262020-12-262020-06-272019-12-28
Value14113610866
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0
Percentage of Assets7.77.56.24.0

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


Marketable
Period End2021-06-262020-12-26
Value115111
Percentage of MarketableSecuritiesCurrent100.0100.0
Percentage of Assets6.36.1

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value424456504856555354475756524882717677967369828867696670636762575455655352585252475253
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.53.12.92.83.33.33.23.43.04.03.93.73.45.75.15.55.56.75.65.76.77.15.65.85.65.95.55.95.45.04.84.95.94.94.95.55.05.14.65.25.4

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272014-12-27
Value262276269265278233279263266280280280273267279268267275276229223226229231230239
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.415.514.815.116.013.616.716.116.617.519.619.719.418.819.419.119.219.719.317.618.218.318.619.219.420.1

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-262020-12-26
Value2629
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0
Percentage of Assets1.41.6

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value2302218821402090202918331752168415921488
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets126.5130.6149.5145.0141.8148.3147.1146.7146.1144.7

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value779736713693655586544527508492
Percentage of PropertyPlantAndEquipmentGross33.933.733.333.232.332.031.131.331.933.0
Percentage of Assets42.844.049.848.145.847.545.746.046.647.8
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Property
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value11591096106910541033949911874817759
Percentage of PropertyPlantAndEquipmentGross50.350.150.050.550.951.852.051.951.351.0
Percentage of Assets63.765.474.773.272.276.976.576.175.073.8
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value137137133129134106103979793
Percentage of PropertyPlantAndEquipmentGross6.06.36.26.26.65.85.95.86.16.3
Percentage of Assets7.68.29.39.09.48.68.78.59.09.1
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value225217224212205190193184168144
Percentage of PropertyPlantAndEquipmentGross9.89.910.510.110.110.411.111.010.69.7
Percentage of Assets12.413.015.714.714.415.416.316.115.514.0
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value1377130112521204115110941035979954913
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets75.777.787.583.680.588.587.085.387.588.8

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value946932924897887886886880877883887880886883886874870870878793753745738728717719716712708706704682667654638617595575575552543525
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.852.250.851.151.051.752.953.854.854.962.061.962.862.361.562.262.562.261.461.161.360.559.860.660.460.660.261.561.861.061.460.259.458.558.657.555.755.155.954.354.052.9

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value525252525252525252525252525252525252524835353535353535353535353535353535353535353535
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.92.92.93.03.03.03.13.23.33.33.73.73.73.73.63.73.83.73.73.72.92.92.82.93.03.03.03.03.13.03.13.13.13.13.23.33.33.43.43.53.53.5

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

wmk:LiquorLicenses


Indefinite
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-26
Value151414118.4235.965
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.91.00.80.60.5
Percentage of Assets wmk:LiquorLicenses0.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value1617211916267.7947.6637.1626.4476.0555.34.7044.4083.6323.3143.3473.193.793.4083.4873.373.3143.283.2773.3593.4413.484
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.01.51.31.22.10.60.60.60.50.50.40.40.40.30.30.30.30.30.30.30.30.30.30.30.30.30.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

wmk:AssetAcquisitionsAndOther


Finite
Period End2020-12-262019-12-282018-12-29
Value1738000.02195000.06895000.0
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0
Percentage of Assets0.10.10.5
Percentage of Assets wmk:AssetAcquisitionsAndOther0.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-29
Value1951951992022022072101941891930.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets10.711.011.011.511.712.112.511.911.912.10.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:EquitySecuritiesFvNi

us-gaap:FairValueInputsLevel1, us-gaap:EquitySecurities


Equity
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292018-12-29
Value7648000.07410000.07308000.07188000.07278000.09201000.08862000.08074000.07226000.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.40.40.50.50.50.5
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:EquitySecurities0.00.00.00.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value186184221188181208180183168177191191192200216186178170199163136138160141133137144128123131133130121129126127131127132118119134
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.210.312.210.710.412.110.811.210.511.013.313.513.614.115.013.312.812.213.912.611.111.213.011.811.211.612.211.110.811.411.611.510.811.611.611.912.312.212.811.611.813.5

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-04-012016-12-312016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-31
Value13105.0588.78332178.197109.43127.2836.596.3824.9740.00.3230.04.406110.03.3146.8365.6660.00.5331.5835.641.6280.05.8356.3591.3591212120.0
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.70.60.30.51.91.00.50.70.60.80.50.50.50.40.00.00.00.40.90.00.30.60.50.00.00.10.50.10.00.50.60.11.11.11.20.0

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
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
Value393550383535393124284542373433343234504643433735323034312930273028322725313335313128
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.02.82.22.12.12.41.91.61.73.23.02.72.42.32.52.32.53.63.63.63.53.13.02.82.62.92.82.62.62.42.72.62.92.52.43.03.23.43.13.12.9

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
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
Value7.3967.947106.5396.2446.3378.6625.5715.7835.8987.9615.2495.2127.217
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.60.40.40.40.50.30.40.40.60.40.40.5

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value307298346300311321291284260277267261258261274240228226276231205215221209203203210191181199193192185197183193202199195175178194
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.916.719.017.117.918.717.417.416.317.218.718.418.318.419.017.116.416.219.317.816.717.418.017.417.117.117.716.515.917.216.817.016.517.716.818.119.019.119.017.217.719.7

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-29
Value393939393838393837370.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.22.22.22.22.22.32.32.32.32.30.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282018-12-29
Value10710510310096979790
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.95.95.75.75.55.75.86.3

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302011-12-31
Value119.2669.5158.6297.6416.6018.4168.2498.1637.99915141413139.6718.8768.387.8651.8041.0380.9628.1356.6875.4844.5333.2422.2564.2693.3035.9345.9456.4585.6837.0266.1245.2833.783
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.50.50.50.40.40.50.50.50.51.11.01.01.00.90.70.60.60.50.10.10.10.70.60.50.40.30.20.40.30.50.50.60.50.60.60.50.4

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-29
Value1631641691711721771791641611650.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets9.09.29.39.79.910.310.710.110.110.30.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-26
Value41
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets2.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-26
Value37
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets2.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-26
Value31
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets1.8

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-26
Value23
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets1.3

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-26
Value59
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets3.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-262019-12-282019-09-282019-06-292019-03-30
Value208218203199202
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets11.413.112.412.412.6

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-26
Value241
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets13.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-26
Value32
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets1.8

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-252009-12-262008-12-27
Value11861161114611341111107710581048104210291022101710111000992937940930926894892884871862871862857852846841834826822808795782773757745761751728690661
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 Assets65.065.163.064.663.962.863.264.065.164.071.471.471.670.568.966.767.566.564.768.872.671.770.571.773.372.772.073.573.872.772.672.973.272.373.072.972.472.572.574.874.773.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-262020-12-26
Value2.7063.286
Percentage of StockholdersEquity0.20.3
Percentage of Assets0.10.2
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-26
Value2.7062.5123.2862.9592.5981.5691.481.4651.3370.8830.262-0.183-0.0080.0345.885.0024.8524.7614.8293.9395.0195.4484.9034.628
Percentage of StockholdersEquity0.20.20.30.30.20.10.10.10.10.10.0-0.0-0.00.00.60.50.50.50.60.50.60.70.70.7
Percentage of Assets0.10.10.20.20.10.10.10.10.10.10.0-0.0-0.00.00.40.40.30.40.40.30.50.50.50.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-26
Value132412991283127212491216119811871181116911631158115211411127107310621007993971931881864827
Percentage of StockholdersEquity111.6111.9112.0112.2112.4112.9113.2113.3113.4113.6113.7113.9113.9114.1113.6114.5114.7115.6115.9116.4117.1118.2118.7119.7
Percentage of Assets72.672.870.572.471.970.971.572.573.872.781.381.381.680.578.276.374.381.583.484.685.485.787.10.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-252009-12-26
Value-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.857-150.855
Percentage of StockholdersEquity-12.7-13.0-13.2-13.3-13.6-14.0-14.2-14.4-14.5-14.7-14.7-14.8-14.9-15.1-15.2-16.1-16.3-17.3-17.6-18.1-19.0-20.2-20.7-21.8
Percentage of Assets-8.3-8.5-8.3-8.6-8.7-8.8-9.0-9.2-9.4-9.4-10.5-10.6-10.7-10.6-10.5-10.7-10.5-12.2-12.7-13.1-13.8-14.7-15.20.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value132412991283127212491216119811871181116911631158115211411127107310761066106210291027101910079991007998993988982977971963959943931917908893881897887864
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets72.672.870.572.471.970.971.572.573.872.781.381.381.680.578.276.377.376.274.379.283.682.781.583.184.884.183.485.385.784.484.685.085.484.485.485.585.085.585.788.188.287.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Accumulated
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292011-12-31
Value2512000.03286000.02959000.02598000.01569000.01480000.01465000.01337000.0883000.0262000.0-183000.0-8000.034000.05880000.05002000.04718000.04916000.04852000.05523000.05925000.05419000.04761000.04471000.04712000.04844000.04829000.05095000.05081000.04849000.03939000.03544000.03900000.05600000.05019000.05448000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.10.10.10.10.10.10.0-0.0-0.00.00.40.40.30.40.30.40.50.40.40.40.40.40.40.40.40.40.30.30.30.50.50.5
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value841483551412431614533362733506432557.8053231313521343330423628314122484130323435
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.11.58.25.51.312.73.57.05.13.84.13.23.85.87.33.86.30.94.64.44.45.33.15.04.94.66.45.34.14.76.13.56.66.14.54.95.25.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value-36581000.0-41993000.0-56267000.0-38019000.0-55593000.0-25016000.0-33022000.0-27796000.0-17110000.0-31341000.0-28485000.0-16076000.0-23051000.0-23343000.0-33773000.0-25896000.0-22409000.0-15318000.0-18057000.0-28830000.0-25629000.0-24359000.0-18651000.0-17172000.0-28726000.0-30696000.0-22246000.0-25102000.0-33201000.0-35776000.0-23585000.0-15074000.0-54420000.0-25868000.0-40289000.0-45210000.0-47539000.0-7250000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.5-4.2-5.5-3.8-5.1-2.5-3.7-3.2-1.9-3.6-3.2-1.8-2.6-2.7-3.8-3.0-2.6-1.8-2.5-4.0-3.6-3.6-2.7-2.5-4.2-4.6-3.4-3.7-4.8-5.4-3.5-2.3-7.4-3.8-6.0-6.9-7.2-1.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value-8.338-8.339-8.338-8.339-8.338-8.339-8.338-8.339-8.338-8.339-8.337-8.07-25.981-25.146-25.167-7.935-26.992-1.672-8.069-8.07-8.069-8.07-8.069-8.07-8.069-8.071-8.068-8.07-8.07-8.07-8.068-8.07-34.968-7.801-7.8-7.801-7.801-7.801
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-0.8-0.8-0.8-0.8-0.8-0.9-1.0-0.9-1.0-0.9-0.9-3.0-2.9-2.8-0.9-3.1-0.2-1.1-1.1-1.1-1.2-1.2-1.2-1.2-1.2-1.2-1.2-1.2-1.2-1.2-1.2-4.7-1.1-1.2-1.2-1.2-1.2

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value1.7782.1332.414.304-1.036-0.0214.2821.9650.532-1.014-0.3342.3732.284-0.905-40.8553.105-1.7197.4768.3312.147-3.622-1.1534.7172.54-3.589-3.883.4144.258-2.579-1.3081.0073.112.583.68135.123-0.894-2.1844.2985.4285.4341.56339-0.346
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-26
Value25252526232323232323232323222121212020191818
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value-13.7737.7093.034-12.46545-46.38516-3.106-14.275-0.138-0.1417.4816.351-12.444111.093-8.14-1.566412.268-2.249-3.352-1.7590.197-5.587-3.093190.801-11.746-9.7757.033-0.533-7.609-3.6828.7460.209-5.021143.597-2.6511.849-7.6250.96810
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value83000.0-388000.0495000.0-153000.04226000.0-53000.0-850000.0-485000.0101000.0-588000.0-156000.0147000.0-158000.0-398000.0-1772000.01816000.0-600000.0110000.0-191000.0-241000.0-204000.0-525000.0-294000.0-382000.0-259000.0-183000.01012000.097000.0-46000.0-168000.0-686000.0-61000.0321000.0-239000.0-35000.0-296000.0-606000.0250000.0-1142000.0-121000.0-4487000.01721000.0-1278000.0-135000.0
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value841483551412431614533362733506432557.8053231313521343330423628314122484130323435
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.11.58.25.51.312.73.57.05.13.84.13.23.85.87.33.86.30.94.64.44.45.33.15.04.94.66.45.34.14.76.13.56.66.14.54.95.25.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value3324193141261814201413141916634.4491811411015201612161313131214151124202217232019162018141620
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.22.41.93.13.82.72.11.62.31.61.51.62.21.87.20.52.11.44.41.42.12.72.31.82.31.81.92.01.82.12.31.83.72.93.22.63.43.02.62.53.12.82.12.53.1

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-30
Value332419314126181420141314191663
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.22.41.93.13.82.72.11.62.31.61.51.62.21.87.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value-36581000.0-41993000.0-56267000.0-38019000.0-55593000.0-25016000.0-33022000.0-27796000.0-17110000.0-31341000.0-28485000.0-16076000.0-23051000.0-23343000.0-33773000.0-25896000.0-22409000.0-15318000.0-18057000.0-28830000.0-25629000.0-24359000.0-18651000.0-17172000.0-28726000.0-30696000.0-22246000.0-25102000.0-33201000.0-35776000.0-23585000.0-15074000.0-54420000.0-25868000.0-40289000.0-45210000.0-47539000.0-7250000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.5-4.2-5.5-3.8-5.1-2.5-3.7-3.2-1.9-3.6-3.2-1.8-2.6-2.7-3.8-3.0-2.6-1.8-2.5-4.0-3.6-3.6-2.7-2.5-4.2-4.6-3.4-3.7-4.8-5.4-3.5-2.3-7.4-3.8-6.0-6.9-7.2-1.1

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value4037473324243125192431182421302523174542242925251820212217173832273034352713382424223610
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value-8.338-8.339-8.338-8.339-8.338-8.339-8.338-8.339-8.338-8.339-8.337-8.07-25.981-25.146-25.167-7.935-26.992-1.672-8.069-8.07-8.069-8.07-8.069-8.07-8.069-8.071-8.068-8.07-8.07-8.07-8.068-8.07-34.968-7.801-7.8-7.801-7.801-7.801
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-0.8-0.8-0.8-0.8-0.8-0.9-1.0-0.9-1.0-0.9-0.9-3.0-2.9-2.8-0.9-3.1-0.2-1.1-1.1-1.1-1.2-1.2-1.2-1.2-1.2-1.2-1.2-1.2-1.2-1.2-1.2-4.7-1.1-1.2-1.2-1.2-1.2

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value8.3388.3398.3388.3398.3388.3398.3388.3398.3388.3398.3378.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.078.0698.0718.0688.078.078.078.0688.07347.8017.87.8017.7997.801
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Dividends

us-gaap:Dividends

us-gaap:Dividends


Dividends
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-30
Value8.3398.3388.3398.3398.3398.3388.3398.3398.3398.3378.0698.0698.0688.069
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividendsus-gaap:
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-30
Value8.3398.3388.3398.3398.3398.3388.3398.3398.3398.3378.0698.0698.0688.069
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-27
Value1039790871199797
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value8337000.06612000.06405000.04691000.03124000.01264000.000225000.0161000.0925000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-29
Value-35.395198.748-49.61991-9.712419-6.021-0.5043.689
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-01
Value100.0100.01.01.01.01.01.01.01.01.01.01.01.0
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

wmk:FuelProduct, us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-06-262020-06-27
Value4.22.1
Percentage of ConcentrationRiskPercentage10.0210.0

wmk:FuelProduct, us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-30
Value3.43.20.0210.030.0390.0370.030.0390.0380.0330.033
Percentage of ConcentrationRiskPercentage13.43.22.13.03.93.73.03.93.83.33.3

wmk:Grocery, us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-06-262020-06-27
Value85.989.9
Percentage of ConcentrationRiskPercentage10.08990.0

wmk:Grocery, us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-30
Value86.987.70.8990.8760.8610.8660.8750.8550.870.8770.857
Percentage of ConcentrationRiskPercentage186.987.789.987.686.186.687.585.587.087.785.7

wmk:Manufacturing, us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-30
Value0.20.20.0020.0030.0030.0020.0020.0170.0020.0010.019
Percentage of ConcentrationRiskPercentage10.20.20.20.30.30.20.21.70.20.11.9

wmk:Pharmacy, us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-06-262020-06-27
Value9.77.8
Percentage of ConcentrationRiskPercentage10.0780.0

wmk:Pharmacy, us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-30
Value9.58.90.0780.0910.0970.0950.0930.0890.090.0890.091
Percentage of ConcentrationRiskPercentage19.58.97.89.19.79.59.38.99.08.99.1

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


Equity
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-30
Value-320000.0237000.0101000.0120000.0-91000.0-1922000.0338000.0844000.0223000.0625000.0
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value-339000.0-63000.0-1296000.0-760000.0-433000.0-1425000.0355000.0-331000.0-198000.0-608000.0-1350000.0233000.0-127000.0-30000.0-336000.02000.0238000.0796000.0-663000.0-632000.0-133000.075000.028000.0-245000.0279000.0-8000.099000.0724000.0-2000.01809000.0-553000.0-317000.02943000.0-40000.01687000.0-2000.0-208000.0-70000.00586000.0-12000.02000.0-205000.0-57000.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value5.877-49.7764910-21.221148.64820-10.511-18.912-1.4113.366-4.922-15.61635125.38-45.7894822-3.948-21.239188.979-3.846-9.666233.722-9.948-1.2983.5499.357-9.7626.4023.219-9.5628.778-7.4821-3.132.193-18.71153.554
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-26
Value3.0795.146-3.726-24.095159.329-2.6971.463-3.4065.5530.6930.2081.4087.021-0.299-1.033-1.0381.9480.155-6.186-6.70112
Percentage of IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


Investment
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-252010-06-26
Value0.3180.8445351.93.14.01.61.51.12.90.2641.10.178-0.3650.8310.6721.10.6870.6820.6370.857-0.4220.5850.5320.5210.3570.6560.7530.7531.1291.8240.9770.480.7691.1621.0571.0570.2270.9511.0910.5760.6340.267
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-30
Value11111212121212121212
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-30
Value11111111111111111111
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value195000.0-774000.0327000.0362000.01023000.095000.013000.0166000.0454000.0621000.0443000.0-175000.0-42000.0-403000.0-190000.0281000.0-198000.064000.0-671000.0-303000.0506000.0816000.0298000.0-241000.0-127000.018000.0-255000.014000.0235000.0933000.0476000.0-154000.0-964000.0607000.0-935000.0241000.0810000.0-124000.0551000.0101000.0559000.0179000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value195000.0-774000.0327000.0362000.01029000.089000.015000.0127000.0454000.0621000.0444000.0-175000.0-42000.0-365000.0-164000.0284000.0-198000.064000.0-671000.0-402000.0506000.0658000.0290000.0-241000.0-132000.015000.0-266000.014000.0232000.0910000.0395000.0-356000.0-1699000.0581000.0-961000.0241000.0418000.0-126000.0449000.0-47000.0327000.0-185000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-30
Value195000.0-774000.0327000.0362000.01029000.089000.015000.0127000.0454000.0621000.0444000.0-175000.0-42000.0-365000.0-164000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-03-272020-12-26
Value-774000.0327000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0

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
Value195000.0-774000.0327000.0362000.01029000.089000.015000.0127000.0454000.0621000.0444000.0-175000.0-42000.0-364000.0878000.0284000.0-198000.064000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-30
Value00002000.02000.030000.0-16000.000-1000.00015000.09000.02000.000-1000.070000.00111000.04000.004000.03000.05000.002000.018000.0-41000.0162000.0587000.021000.0-21000.00313000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax0.00.00.00.0100.0100.0100.0100.00.00.0100.00.00.0100.0100.0100.00.00.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value77000.0306000.0131000.0143000.0396000.038000.0988000.0-67000.0-179000.0243000.0-178000.068000.014000.0158000.0-49000.0194000.0137000.011000.0-499000.0184000.0353000.0570000.0-206000.0168000.088000.013000.0-180000.05000.0162000.0658000.0-234000.085000.0600000.0427000.0-697000.0180000.0603000.087000.0369000.072000.0355000.0127000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireAvailableForSaleSecurities


Payments
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value10125.065312.0794.45.0150.2453.962.3712.670.00.5861.3584.4664.2092.57911270.01.2845.145123.6059.907114.9252.610.6032.0652.755.822.02.8551.15.654.185256.122227
Percentage of PaymentsToAcquireAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:PaymentsToAcquireIntangibleAssets


Payments
Period End2020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-26
Value0168000.00-41000.0931000.018000.00540000.001878000.0162000.01500000.02151000.0147000.027000.01240000.0871000.0969000.0179000.0549000.0763000.0440000.0802000.0644000.0354000.0713000.0382000.030000.0239000.0215000.0473000.010000.0205000.0144000.0090000.000121000.00
Percentage of PaymentsToAcquireIntangibleAssets0.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-28
Value6.1254.041.0150.8751.81.842.54
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value5716000.029000.0162000.031000.0116000.0161000.02756000.0169000.01236000.084000.0621000.0792000.0313000.08000.051000.089000.0964000.01142000.0161000.0135000.022000.0124000.0627000.017000.01258000.027000.0326000.01130000.0116000.02042000.0825000.0240000.03078000.0308000.02217000.021000.0285000.019000.0189000.01330000.0204000.0374000.058000.033000.0
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-30
Value2614000.02309000.02350000.02116000.02133000.02037000.01954000.01945000.01976000.01874000.0
Percentage of SubleaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-30
Value2.552.6982.8122.8212.8672.6672.8082.6362.9112.643
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:CostOfSalesIncludingWarehousingAndDistributionExpenses

wmk:CostOfSalesIncludingWarehousingAndDistributionExpenses


Cost
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
Value766738756728805721663643651647665636630641649631636622666538528531535517519517520498504500505478471491503487489478546495494480490462469
Percentage of CostOfSalesIncludingWarehousingAndDistributionExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:IncreaseDecreaseInAccountsReceivableAndPrepaidExpenses

wmk:IncreaseDecreaseInAccountsReceivableAndPrepaidExpenses


Increase
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252011-03-262010-12-252010-09-25
Value-1.762-15.7635.4115.758-6.8572.4924.7743.557-0.868-9.8943.7567.5542.191-7.627101.282-3.89-17.539158.962-14.087-5.658192.3450.294-4.6084.4750.2732.676.1719-0.4618.462-16.491-2.3755.675-6.9661.097-6.5365.149-3.4243.147-11.183.051
Percentage of IncreaseDecreaseInAccountsReceivableAndPrepaidExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:InvestmentIncomeLossAndInterestExpense

wmk:InvestmentIncomeLossAndInterestExpense


Investment
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-26
Value2140000.01611000.02880000.01890000.03066000.0-4019000.01613000.01467000.01079000.02895000.0-2122000.01096000.0105000.0-532000.0705000.0657000.0412000.0824000.0472000.0666000.0682000.0637000.0857000.0-422000.0
Percentage of InvestmentIncomeLossAndInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:InvestmentIncomeLossAndInterestExpense us-gaap:RetirementPlanType

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Investment
Period End2021-06-262021-03-272020-06-272020-03-28
Value1800000.0775000.02600000.0-2700000.0
Percentage of InvestmentIncomeLossAndInterestExpense84.148.184.867.2

wmk:PaymentsForSerpInvestments

wmk:PaymentsForSerpInvestments


Payments
Period End2021-06-262021-03-272020-09-262020-06-272020-03-282019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-09-242016-06-252016-03-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-30
Value875000.0922000.0-11000.0586000.091000.0-277000.0760000.02716000.0117000.0481000.0933000.0401000.0566000.01486000.0306000.0501000.0763000.0-647000.0515000.0873000.0288000.0-1435000.0709000.0807000.0598000.0-425000.0387000.01134000.0
Percentage of PaymentsForSerpInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:PaymentsToAcquireIntangibleAssetsNet

wmk:PaymentsToAcquireIntangibleAssetsNet


Payments
Period End2021-06-262021-03-272020-06-272020-03-28
Value017000.00-41000.0
Percentage of PaymentsToAcquireIntangibleAssetsNet0.0100.00.0100.0

wmk:UnrealizedGainLossInSerp

wmk:UnrealizedGainLossInSerp


Unrealized
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-30
Value1320000.0448000.01881000.01143000.02293000.0-2676000.0-1154000.0-71000.0352000.01008000.0
Percentage of UnrealizedGainLossInSerp100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Accumulated
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value2706000.02512000.03286000.02959000.02598000.01569000.01480000.01465000.01337000.0883000.0262000.0-183000.0-8000.034000.05880000.05002000.04718000.04916000.04852000.05523000.05925000.05419000.04761000.04471000.04712000.04844000.04829000.05095000.05081000.04849000.03939000.03544000.03900000.05600000.05019000.05980000.05740000.05322000.05448000.04999000.05044000.04903000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value2400000.02800000.02100000.01946000.01455000.01967000.01578000.01882000.01526000.01415000.0
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AociTaxAttributableToParent

us-gaap:AociTaxAttributableToParent


Aoci
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-29
Value1070000.0993000.01299000.01168000.01026000.0629000.0593000.0584000.0533000.0353000.0110000.0
Percentage of AociTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value5040000.04878000.05723000.05346000.04535000.02272000.02091000.02060000.0426000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds


Available
Period End2020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value5346000.04535000.02272000.02091000.02060000.0426000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, wmk:CorporateAndMunicipalBonds


Available
Period End2021-03-272020-12-262019-12-28
Value4878000.05723000.02091000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value1264000.01374000.01139000.01218000.0912000.073000.018000.011000.053000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds


Available
Period End2020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value1218000.0912000.073000.018000.011000.053000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, wmk:CorporateAndMunicipalBonds


Available
Period End2021-03-272020-12-262019-12-28
Value1374000.01139000.018000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value10399918652524946
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds


Available
Period End2020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value918652524946
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, wmk:CorporateAndMunicipalBonds


Available
Period End2021-03-272020-12-262019-12-28
Value1039952
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

wmk:MarketableSecuritiesExcludingEquitySecurities


Available
Period End2021-03-272020-09-262020-06-272020-03-282019-09-28
Value10391865249
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesCurrent


Available
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value11411110297626360575954555861636363646781787891897980736965637375788283829189716825
Percentage of AvailableForSaleSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis


Available
Period End2021-06-262020-12-26
Value7.0869.146
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis us-gaap:FinancialInstrument

wmk:MarketableSecuritiesExcludingEquitySecurities


Available
Period End2021-03-272020-09-26
Value6.63110
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis0.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue


Available
Period End2021-06-262020-12-26
Value7.1239.233
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue us-gaap:FinancialInstrument

wmk:MarketableSecuritiesExcludingEquitySecurities


Available
Period End2021-03-272020-09-26
Value6.67510
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue0.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis


Available
Period End2021-06-262020-12-26
Value5246
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis us-gaap:FinancialInstrument

wmk:MarketableSecuritiesExcludingEquitySecurities


Available
Period End2021-03-272020-09-26
Value5242
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis0.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue


Available
Period End2021-06-262020-12-26
Value5449
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue us-gaap:FinancialInstrument

wmk:MarketableSecuritiesExcludingEquitySecurities


Available
Period End2021-03-272020-09-26
Value5445
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue0.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis


Available
Period End2021-06-262020-12-26
Value4544
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis us-gaap:FinancialInstrument

wmk:MarketableSecuritiesExcludingEquitySecurities


Available
Period End2021-03-272020-09-26
Value4437
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis0.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue


Available
Period End2021-06-262020-12-26
Value4645
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue us-gaap:FinancialInstrument

wmk:MarketableSecuritiesExcludingEquitySecurities


Available
Period End2021-03-272020-09-26
Value4639
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue0.00.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-262020-12-262019-12-28
Value10810454
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Available
Period End2021-06-262020-12-26
Value108104
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds


Available
Period End2020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value959054545147
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.0100.00.00.0

us-gaap:FairValueInputsLevel2, wmk:CorporateAndMunicipalBonds


Available
Period End2021-03-272020-12-262019-12-28
Value10710454
Percentage of AvailableForSaleSecuritiesDebtSecurities0.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

wmk:MarketableSecuritiesExcludingEquitySecurities


Available
Period End2021-03-272020-09-262020-06-272020-03-282019-09-28
Value10795905451
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.00.00.0

us-gaap:CashEquivalentsAtCarryingValue us-gaap:CashAndCashEquivalents

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:Investments


Cash
Period End2020-12-262019-12-282018-12-29
Value95325.4
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0

wmk:ConsumerElectronicPayments


Cash
Period End2020-12-262019-12-282018-12-29
Value412323
Percentage of CashEquivalentsAtCarryingValue43.570.2437.0

us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss

us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss


Debt
Period End2021-06-262020-12-26
Value10499
Percentage of DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value13612712111515813012912411496
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value32303027393322212119
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value7787000.06582000.08030000.07745000.05600000.05926000.06218000.05736000.06535000.06825000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value6204000.01405000.0842000.0388000.09826000.03143000.01161000.02785000.02891000.01554000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value6527000.05767000.05272000.05365000.06484000.05906000.07676000.07037000.06255000.05931000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-28
Value1407000.08136000.07967000.04373000.02224000.02173000.01358000.00
Percentage of DeferredTaxAssetsTaxDeferredExpenseOther100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value659000.0749000.0588000.0542000.0586000.0813000.0615000.0585000.0426000.0403000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance


Deferred
Period End2020-12-262019-12-28
Value8515000.07344000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value13139.8288.0267.6196.8087.4596.8096.2415.511
Percentage of DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value332000.05252000.05274000.05160000.07517000.09240000.06522000.04745000.01995000.01021000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOtherComprehensiveIncome

us-gaap:DeferredTaxLiabilitiesOtherComprehensiveIncome


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value3059000.02851000.01809000.02310000.03382000.03323000.03371000.02753000.03506000.03799000.0
Percentage of DeferredTaxLiabilitiesOtherComprehensiveIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses


Deferred
Period End2020-12-262019-12-28
Value5993000.04883000.0
Percentage of DeferredTaxLiabilitiesPrepaidExpenses100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value1131061049914011111110910286
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanBenefitObligation


Defined
Period End2020-12-262014-12-272013-12-282012-12-292011-12-312010-12-25
Value4000000.09077000.07800000.07726000.07487000.07744000.0
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths


Defined
Period End2020-12-26
Value1000000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent

us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent


Equity
Period End2021-06-262020-12-26
Value7328000.07410000.0
Percentage of EquitySecuritiesFvNiCurrentAndNoncurrent100.0100.0

us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Equity
Period End2021-06-262020-12-26
Value7328000.07410000.0
Percentage of EquitySecuritiesFvNiCurrentAndNoncurrent100.0100.0

us-gaap:ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue

us-gaap:ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue


Excess
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-29
Value707076787981797978
Percentage of ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value3345000.02888000.04975000.04077000.03005000.02619000.02428000.02306000.04105000.03835000.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

wmk:AssetAcquisitionsAndOther


Finite
Period End2020-12-262019-12-282018-12-29
Value3345000.02888000.04975000.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-26
Value444000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-26
Value147000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-26
Value310000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-26
Value310000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-26
Value320000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross

wmk:AssetAcquisitionsAndOther


Finite
Period End2020-12-262019-12-282018-12-29
Value5.0835.08311
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-26
Value20192623199.781
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0

us-gaap:LIFOInventoryAmount

us-gaap:LIFOInventoryAmount


L
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value191204211221223181193187187173
Percentage of LIFOInventoryAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-26
Value46
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LineOfCredit us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCredit

us-gaap:LetterOfCredit, wmk:RevolvingCreditAgreementWellsFargoBankNationalAssociationLettersOfCredit


Line
Period End2021-06-26
Value4700000.0
Percentage of LineOfCredit100.0

us-gaap:LineOfCredit us-gaap:CreditFacility, us-gaap:LineOfCreditFacility

us-gaap:LetterOfCredit, wmk:WellsFargoBankN.a.


Line
Period End2021-03-272020-12-262020-09-26
Value4900000.04900000.05900000.0
Percentage of LineOfCredit0.00.00.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:RevolvingCreditFacility, wmk:RevolvingCreditAgreementWellsFargoBankNationalAssociation


Line
Period End2021-06-26
Value25
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:LineOfCreditFacility

us-gaap:RevolvingCreditFacility, wmk:WellsFargoBankN.a.


Line
Period End2021-03-272020-12-262020-09-26
Value252524
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.00.0

us-gaap:MarketableSecurities

us-gaap:MarketableSecurities


Marketable
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282018-12-29
Value1151141111029762636054
Percentage of MarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-262019-12-282019-09-282019-06-292019-03-302018-12-29
Value3.360.03470.03630.03570.04040.0384
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-26
Value72
Percentage of OperatingLossCarryforwards100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292012-09-292012-06-302012-03-312011-12-312011-09-242011-06-252010-12-25
Value252929262423211623242117191920141616211516171914171719151817181614109.3128.8267.978.9957.7547.8936.439
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SelfInsuranceReserveCurrent

us-gaap:SelfInsuranceReserveCurrent


Self
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272014-12-27
Value2120191917151514151515151616171413141916171716171818
Percentage of SelfInsuranceReserveCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SelfInsuranceReserveNoncurrent

us-gaap:SelfInsuranceReserveNoncurrent


Self
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262014-12-27
Value20202017171717171717172020202021212121222222222222
Percentage of SelfInsuranceReserveNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityBeforeTreasuryStock

us-gaap:StockholdersEquityBeforeTreasuryStock


Stockholders
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282013-12-28
Value1337131212961285126212281209119911921180117311681162115111431088109110811077104510431035102210131021101310081003997984
Percentage of StockholdersEquityBeforeTreasuryStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-27
Value1700000.01800000.01714000.01567000.01860000.01264000.00
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.00.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:AllowanceForCreditLoss


Valuation
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-26
Value2427000.02757000.02090000.01946000.01455000.01967000.0
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageCostInventoryAmount

us-gaap:WeightedAverageCostInventoryAmount


Weighted
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value77756857534846535752
Percentage of WeightedAverageCostInventoryAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:AccountsReceivableEarnedAdvertisingCredits

wmk:AccountsReceivableEarnedAdvertisingCredits


Accounts
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value8861.01.61.00.8520.8420.3950.440.6090.095
Percentage of AccountsReceivableEarnedAdvertisingCredits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:AccountsReceivableEarnedPromotionalDiscounts

wmk:AccountsReceivableEarnedPromotionalDiscounts


Accounts
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value8.69.51213108.15.75.84.64.5
Percentage of AccountsReceivableEarnedPromotionalDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:DeferredTaxAssetsUnrecognizedTaxBenefits

wmk:DeferredTaxAssetsUnrecognizedTaxBenefits


Deferred
Period End2020-12-262019-12-28
Value1751000.01389000.0
Percentage of DeferredTaxAssetsUnrecognizedTaxBenefits100.0100.0

wmk:FutureSubleaseIncome

wmk:FutureSubleaseIncome


Future
Period End2020-12-26
Value17
Percentage of FutureSubleaseIncome100.0

wmk:IntangibleAssetsAssetsAndOtherAssetsNetExcludingGoodwill

wmk:IntangibleAssetsAssetsAndOtherAssetsNetExcludingGoodwill


Intangible
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312015-12-26
Value171717171817171718172222202019191718167.162
Percentage of IntangibleAssetsAssetsAndOtherAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:PercentageOfFacilitiesUnderOperatingLease

wmk:PercentageOfFacilitiesUnderOperatingLease


Percentage
Period End2021-06-262021-03-272020-12-262020-09-26
Value50.050.051.051.0
Percentage of PercentageOfFacilitiesUnderOperatingLease100.0100.0100.0100.0

wmk:PostretirementBenefitObligations

wmk:PostretirementBenefitObligations


Postretirement
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282014-03-292013-12-282013-09-282013-06-292013-03-302012-12-292011-12-31
Value282625232118222020191819191818161514151414131415161918171817171616151514
Percentage of PostretirementBenefitObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:RetirementPlansAccumulatedBenefitObligation

wmk:RetirementPlansAccumulatedBenefitObligation


Retirement
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value22191414119.0799.6469.3527.5316.999
Percentage of RetirementPlansAccumulatedBenefitObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:SerpInvestment

wmk:SerpInvestment


Serp
Period End2021-06-262021-03-272020-12-262020-09-262020-06-272020-03-282019-12-282019-09-282019-06-292019-03-302018-12-292018-09-292018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-242016-06-252016-03-262015-12-262015-09-262015-06-272015-03-282014-12-272014-09-272014-06-282013-12-282012-12-292010-12-25
Value2624222019161817181714161515141313121110109.8429.0799.862109.9949.1218.833108.7527.0586.8
Percentage of SerpInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wmk:StopLossInsuranceAggregatingDeductible

wmk:StopLossInsuranceAggregatingDeductible


Stop
Period End2020-12-26
Value450000.0
Percentage of StopLossInsuranceAggregatingDeductible100.0

wmk:SubleaseIncomeDueNextTwelveMonths

wmk:SubleaseIncomeDueNextTwelveMonths


Sublease
Period End2020-12-26
Value3683000.0
Percentage of SubleaseIncomeDueNextTwelveMonths100.0

wmk:SubleaseIncomeDueYearFive

wmk:SubleaseIncomeDueYearFive


Sublease
Period End2020-12-26
Value1336000.0
Percentage of SubleaseIncomeDueYearFive100.0

wmk:SubleaseIncomeDueYearFour

wmk:SubleaseIncomeDueYearFour


Sublease
Period End2020-12-26
Value1696000.0
Percentage of SubleaseIncomeDueYearFour100.0

wmk:SubleaseIncomeDueYearThree

wmk:SubleaseIncomeDueYearThree


Sublease
Period End2020-12-26
Value2462000.0
Percentage of SubleaseIncomeDueYearThree100.0

wmk:SubleaseIncomeDueYearTwo

wmk:SubleaseIncomeDueYearTwo


Sublease
Period End2020-12-26
Value3126000.0
Percentage of SubleaseIncomeDueYearTwo100.0

wmk:SubleaseIncomeNet

wmk:SubleaseIncomeNet


Sublease
Period End2020-12-26
Value17
Percentage of SubleaseIncomeNet100.0

wmk:SubleaseIncomePaymentsDueAfterYearFive

wmk:SubleaseIncomePaymentsDueAfterYearFive


Sublease
Period End2020-12-26
Value4846000.0
Percentage of SubleaseIncomePaymentsDueAfterYearFive100.0

wmk:UnearnedIncomeForVendorPrograms

wmk:UnearnedIncomeForVendorPrograms


Unearned
Period End2020-12-262019-12-282018-12-292017-12-302016-12-312015-12-262014-12-272013-12-282012-12-292011-12-31
Value3300000.05400000.07400000.09800000.04000000.0823000.0734000.0911000.0861000.01100000.0
Percentage of UnearnedIncomeForVendorPrograms100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
(None, 'us-gaap:SalesRevenueNet', 'us-gaap:ProductConcentrationRisk')
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service, us-gaap: Concentration Risk By Benchmark, us-gaap: Concentration Risk By Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components