PKE


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding
us-gaap:SubsequentEventType

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:StatementGeographical

us-gaap:Revenues

us-gaap:CostOfRevenue

us-gaap:CostOfGoodsAndServicesSold

us-gaap:GrossProfit

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:CashAndCashEquivalents
us-gaap:InvestmentType

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits
us-gaap:BalanceSheetLocation

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

pke:DisposalGroupIncludingDiscontinuedOperationRestructuringCharges

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax

us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation
us-gaap:StatementEquityComponents
us-gaap:DividendsCash

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInOperatingCapital

us-gaap:InterestAndOtherIncome

us-gaap:NetCashProvidedByUsedInContinuingOperations

us-gaap:NetCashProvidedByUsedInDiscontinuedOperations

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementScenario
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:StatementScenario
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:PaymentsForRestructuring
us-gaap:RestructuringPlan

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringCharges
us-gaap:RestructuringPlan
us-gaap:Range, us-gaap:TitleOfIndividual, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:Range, us-gaap:TitleOfIndividual, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
us-gaap:TitleOfIndividual, us-gaap:PlanName

us-gaap:StockRepurchasedDuringPeriodShares
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

pke:AociDebtSecuritiesAvailableforsaleAdjustmentAfterTax
us-gaap:FairValueByAssetClass
pke:CashAndMarketableSecurities
us-gaap:SubsequentEventType
pke:StockRepurchaseProgramPercentageOfOutstandingSharesAuthorizedToBeRepurchased

pke:StockoldersEquityIncludingTreasuryStock

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedSalariesCurrent

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance
us-gaap:PlanName

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves
us-gaap:LeaseContractualTerm
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
us-gaap:BalanceSheetLocation
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:LeaseContractualTerm
us-gaap:LeaseContractualTerm
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
us-gaap:LeaseContractualTerm
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
us-gaap:LeaseContractualTerm
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
us-gaap:BalanceSheetLocation
us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:LeaseContractualTerm

us-gaap:MarketableSecuritiesCurrent

us-gaap:OperatingLeaseLiability
us-gaap:LeaseContractualTerm
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:PreferredStockValue
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
us-gaap:RestructuringPlan
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringAndRelatedCostExpectedCost1
us-gaap:RestructuringPlan

us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringPlan

us-gaap:RestructuringReserveCurrent

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName
us-gaap:TaxCreditCarryforwardAmount
us-gaap:TaxCreditCarryforward

us-gaap:TreasuryStockShares

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:WorkersCompensationLiabilityCurrent

Tables

  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:CommonStockValue ▄▄2.0962.096NANA2.096NANANA2.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0952.0952.0882.0882.0872.0832.0832.0832.082.082.0792.0792.0752.075NA2.072NANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▄▄▄▄▄▄▄▄▄20.96514420.96514420.96514420.96514420.96514420.96514420.96514420.96514420.965144NANANA20.965144NANANA20.965144NANANA20.962644NANANANANANANANANANANANANANANANANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:TreasuryStock▁▁▁▂▂▇▇██0.4463210.4472050.4500170.4729910.4791910.6857360.6880360.7205860.723573NANANA0.730473NANANA0.730473NANANA0.130641NANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued 20.965144NANANA20.965144NANANA20.965144NANANA20.965144NANANA20.965144NANANA20.962644NANANA20.882844NANANA20.831578NANANA20.795591NANANA20.722179NANA
us-gaap:CommonStockSharesOutstanding 20.518823NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ██████▁█████████████████████████████20.57820.61720.60120.58620.50120.3520.02038220.29620.31120.26120.2520.24420.25320.23520.23520.23520.25120.25320.3420.56520.93720.98921.02920.98820.87320.91720.85220.84420.82220.80320.81920.84920.81620.75620.77620.82NA20.67420.642
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ██████▁█████████████████████████████20.51920.51820.49920.49220.3720.2780.02025320.24220.23820.23720.23620.23520.23520.23520.23520.23520.25120.25320.33720.54620.89620.94720.92520.8820.87320.85720.83620.82820.80620.80120.820.79620.76420.75420.74120.723NA20.63620.632
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOptionNA0.0760.0770.191NA0.1450.1460.544NA0.5990.7130.872NA0.8820.8821.025NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▄▄▄▄█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄0.120.120.10.135.10.180.130.160.890.040.030.070.120.090.10.150.230.20.230.230.230.10.240.39-2.880.230.390.240.20.230.160.240.150.260.370.350.400000000000000130.240.46
us-gaap:EarningsPerShareDiluted ▄▄▄▄█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄0.120.120.10.135.070.180.130.160.880.040.030.070.120.090.10.150.230.20.230.230.230.10.240.39-2.880.230.390.240.20.230.160.240.150.260.370.350.400000000000000130.240.46
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare ▂▂▂▂▂▂▂▁█▁▁1.3e-071.4e-071.0000000000000001e-071.3e-078e-081.0000000000000001e-079e-084e-088.5e-072e-084e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare ▂▂▂▂▂▂▂▁█▁▁1.3e-071.4e-071.0000000000000001e-071.3e-078e-081.0000000000000001e-079e-084e-088.5e-072e-084e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
 TTM Greenblatt ROC _ _NA3.0731.8992.882NA2.3011.0293.5061.1990.801-0.1680.2342.5911.9172.1013.385.4284.8755.2615.442NA2.2085.83610.066NA4.9327.4616.235NA5.6164.0835.9093.1876.0057.6348.419NANANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▂▂▂▂▂▁▁▄▄▁▁▄▄▄▄▄▅▅▅▅▅▅▆▇▅▆▆▆▆▆▇▇▆▇▇█▇▇█15.49415.84713.72314.9516.65912.85311.21131.10227.80410.22911.35527.41727.59926.46229.05831.4935.75634.32337.94737.82936.24134.67942.34948.81738.15139.67844.49743.43842.67541.26546.4346.04643.67647.31250.44951.81751.20146.9254.505
us-gaap:Revenues ▂▂▂▂▂▁▁▁▄▃▄▄▄▄▄▄▅▅▅▅▅▅▆▇▅▆▆▆▆▆▇▇▆▇▇█▇▇█15.49415.84713.72314.9516.65912.85311.21110.39327.80426.13929.83627.41727.59926.46229.05831.4935.75634.32337.94737.82936.24134.67942.34948.81738.15139.67844.49743.43842.67541.26546.4346.04643.67647.31250.44951.81751.20146.9254.505
us-gaap:CostOfRevenue NA10.8259.9110.146NA8.5698.06622.59462.8977.2648.14721.095NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostOfGoodsAndServicesSold NA10.8259.9110.146NA8.5698.06622.5947.1027.2648.14721.095NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit ▂▂▁▂▂▂▁▃▃▂▃▂▃▃▃▄▄▄▄▅▅▄▅▇▄▅▆▆▅▅▆▆▅▆▆▇▇▆█5.0345.0223.8134.8045.9034.2843.1458.5086.896.077.1776.3227.3866.6347.2348.78710.72710.29710.36111.36711.2558.59812.17116.92910.4511.03813.62112.99111.83512.5413.19912.97611.24112.99614.53615.96916.92914.49218.317
us-gaap:SellingGeneralAndAdministrativeExpense NA1.9491.9141.922NA1.9832.1164.8195.4044.7974.4434.7274.6884.6045.115.3375.1375.2645.0095.801NA5.7546.2526.596NA6.1066.0416.556NA6.3656.5917.0566.8046.9916.9027.556.5366.3817.238
us-gaap:OperatingIncomeLoss NA3.0731.8992.882NA2.3011.0293.5061.1990.801-0.1680.2342.5911.9172.1013.385.4284.8755.2615.442NA2.2085.83610.066NA4.9327.4616.235NA5.6164.0835.9093.1876.0057.6348.41910.3936.79911.079
us-gaap:IncomeLossFromContinuingOperations ▂▂▂▂▂▂▂▁█▁▁▁2.6332.8062.0522.7141.5882.0781.8240.81617.1970.3440.8590.072NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest NA3.8752.7623.83NA2.6941.3863.846-0.5830.5011.1160.473NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit NA1.0690.711.116NA0.616-0.4380.678-18.1340.13-0.54-0.9210.2190.1290.1550.4750.6170.6380.6530.561NA0.0380.7471.644NA0.163-0.6921.203NA1.0491.0161.1740.2390.8141.7581.3982.3361.9021.85
us-gaap:IncomeTaxesPaidNet NA0.633NANANA0.0-0.112.442-1.0341.54NANA0.6031.282NANA0.4731.3961.54911.31NA3.320.4590.0NA2.22.2630.002NA2.8922.4350.671-0.0732.647NANA0.7031.684NA
us-gaap:NetIncomeLoss ▄▄▄▄█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄2.3842.4462.1352.587103.9863.6912.73.16817.9650.7160.521.3942.4771.8751.9812.954.5744.1094.5694.7774.8412.0314.9558.216-60.0244.7218.0454.9294.0724.713.2464.9333.1515.3797.677.2428.2855.029.447
us-gaap:ComprehensiveIncomeNetOfTax NA2.2362.3282.933NA3.712.8263.13318.019-0.1310.6081.2042.4461.5351.9922.8654.7033.9654.4634.901NA2.0284.9618.151NA4.9667.845.294NA4.8821.6625.233.0015.227.6247.691NANANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:Assets ▁▁▁▂▂▁▁▁▁▅▅▅▅▅▆▆▆▆▆▆▇██████▇▇▇▇▇▇▇▇171.786184.558183.529189.675188.851177.939173.096169.456169.023301.347308.144307.706308.578310.044313.246317.003314.777325.924330.146330.807350.682388.812391.65389.486377.093382.143380.504375.671369.658369.418366.769371.867365.988366.735363.379NA353.808NANA
us-gaap:Liabilities ▁▁▁▁▁▂▂▂▂▅▆▆▆▆▆▆▆▇▇▇▇████▃▃▃▃▁▁▁▁▁▁30.11123.39522.72629.58529.8437.82834.89932.83733.762122.161127.037125.454125.752127.887130.865134.942133.91147.808154.321155.387169.083177.014179.988182.503176.5568.60170.7772.23769.73619.96120.27725.2822.77725.73425.684NA28.5NANA
us-gaap:LiabilitiesAndStockholdersEquity ▁▁▁▂▂▁▁▁▁▅▅▅▅▅▆▆▆▆▆▆▇██████▇▇▇▇▇▇▇▇171.786184.558183.529189.675188.851177.939173.096169.456169.023301.347308.144307.706308.578310.044313.246317.003314.777325.924330.146330.807350.682388.812391.65389.486377.093382.143380.504375.671369.658369.418366.769371.867365.988366.735363.379NA353.808NANA
us-gaap:StockholdersEquity ▁▂▂▂▂▁▁▁▁▂▂▃▃▃▃▃▂▂▂▂▃▄▃▃▃▇▇▆▆██████141.675161.163160.803160.09159.011140.111138.197136.619135.261179.186181.107182.252182.826182.157182.381182.061180.867178.116175.825175.42181.599211.798211.662206.983200.543313.542309.734303.434299.922349.457346.492346.587343.211341.001337.695NA325.308NANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:AssetsCurrent ▁▂▂▂▂▁▁▁▁▅▆▆▆▆▆▆▆▆▆▆▇███▇███▇▇▇▇▇▇▇145.194159.999160.749166.807167.933147.44142.384142.403141.268262.486268.747268.945269.13269.753272.116275.146272.185267.554270.906271.2313.259323.584327.358324.467311.24335.166332.834327.064320.674318.172317.283317.903311.59309.219305.297NA296.959NANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▁▂▃▃▁▂▁▁▂▂▃▅▅▅▅▅▄▄▃▆▇▅▆▆▆▅██▇▆▆▆▆▇▇▅▆▅5.416.6825.23149.96771.00716.99520.85416.63718.25430.59230.19147.313102.438106.474103.438106.8697.75776.73589.37961.559141.538150.256114.439135.096133.15128.679109.935189.083186.117152.943128.363128.588129.503137.649149.772164.872112.195124.297100.476
us-gaap:AccountsReceivableNetCurrent ▃▂▂▂▂▁▁▆▅▄▆▅▅▄▅▅▆▅▆▆▆▆▆█▆▆▇▇▇▇██▆██10.92510.1948.8558.9199.3525.8645.87821.29619.76216.46121.18217.70517.23816.01318.36918.4222.58320.09321.92121.52321.43120.97522.86928.45122.88122.85225.53226.65225.87825.05727.97527.51123.53327.66628.0NA29.822NANA
us-gaap:InventoryNet ▂▁▁▂▂▁▁▅▄▅▅▄▄▅▅▅▄▅▆▆▆▆▆▆▆▆▆▆▅▇▇█▇▇▆6.3793.9364.6265.245.2674.5773.99412.63911.15611.44911.91910.90811.10512.58711.74912.010.21412.64114.0514.53314.43914.19715.15715.07713.87114.63314.29914.29712.91815.89915.72518.40415.82316.18314.808NA12.888NANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▅▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▁▄▅▅▅▃▄▃▃▆█▆▆▃▃▃▃▃▄5.5351.7031.9131.5911.691.5031.5782.4172.1192.7512.5822.5322.1972.3292.2922.3221.9635.1775.4726.1265.2563.1054.1473.6984.1326.4218.8796.7976.6623.7063.9643.5443.4493.2874.819NA3.805NANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:NoncurrentAssets █▅▃▃▁26.59224.55922.7822.86820.918NANA27.05327.75528.86129.39728.76129.44829.16629.80231.85732.59232.09732.8733.66136.37740.22839.29240.01940.85346.97747.6748.60748.98451.24649.48648.98454.398NANANA56.849NANA
us-gaap:PropertyPlantAndEquipmentGross 48.824NANANA70.148NANANA166.4NANANA169.518NANANA170.058NANANA172.604NANANA172.824NANANA171.467NANANA176.299NANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment 32.724NANANA59.357NANANA149.868NANANA150.88NANANA148.546NANANA146.067NANANA143.15NANANA139.28NANANA137.604NANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ▃▂▂▂▁▁▁▃▃▃▃▃▃▃▃▄▄▄▄▄▅▅▅▅▆▆▆▆▆▆▆▇▇██16.114.01112.31112.28410.7918.8889.11115.8316.53217.11717.61617.94718.63819.33319.96920.74321.51222.25723.0323.82126.53727.36228.12928.79629.67430.15430.82131.75632.18732.99533.44537.95638.69540.4341.105NA41.292NANA
us-gaap:Goodwill 9.776NANANA9.776NANANA9.776NANANA9.776NANANA9.776NANANA9.776NANANA9.776NANA9.8549.7769.7767.5767.6617.6617.5767.576NA6.476NANA
us-gaap:IntangibleAssetsNetExcludingGoodwill 0.028NANANA0.035NANANA0.042NANANA0.049NANANA0.057NANANA0.064NANANA0.071NANANA0.078NANANA0.085NANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ▁▂▂▂▂▃▃▃▃▄▄▄▄▅▅▅▅▆▆▆▆▇▇▇▇██9.8049.8119.8119.8119.8119.8189.8189.8189.8189.8259.8259.8259.8259.8339.8339.8339.8339.849.849.849.849.8479.8479.8479.8479.8549.854NA9.854NANANA7.661NANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▅▇▁█0.420.4530.3730.462NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▂▆▆▆▆▇▇▇▇██0.2680.2840.2850.3110.3160.3840.3771.4051.4051.9191.9560.9890.9851.1251.3281.2811.2471.2731.370.9461.0463.0191.3161.3761.3326.9696.9956.9976.9438.4758.4658.3478.0429.519.401NA9.081NANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:LiabilitiesCurrent ▂▁▁▂▂▃▃▃▃▃▄▄▃▃▄▄▄▇▇▆▇███▆▄▄▅▄▄▄▆▅▅▅8.7075.9385.36110.52711.15514.2211.83613.07212.22713.65417.64715.26314.12313.61315.40418.51316.67826.9129.45326.76929.72432.12932.68132.69724.24315.59417.76319.2316.67818.67618.99223.94421.44122.85322.676NA25.253NANA
us-gaap:AccountsPayableCurrent ▄▂▂▂▃▁▁▃▃▃▄▃▃▄▄▅▅▄▆▅▅▄▆▇▅▅▅▆▅▅▅▇▆█▆4.7352.011.8191.9713.1691.7091.0914.4864.0253.4245.4443.6194.1834.6924.9366.8386.1555.5988.3155.9046.8824.6227.9249.36.1096.2246.3957.4196.4856.3316.5439.2558.42710.6528.602NA9.944NANA
us-gaap:OtherAccruedLiabilitiesCurrent 0.12NANANA0.194NANANA0.892NANANA1.161NANANA1.156NANANA1.235NANANA1.287NANANA1.516NANANA1.492NANANANANANA
us-gaap:AccruedIncomeTaxesCurrent ▃▂▂█▇▂▂▄▄▁▃▄▄▂▃▅▄▃▄▆▆▆▅▆▄▄▆▇▆▂▄▆▆▄▆2.1111.7371.4816.0265.0661.5391.4672.8212.8210.5911.8912.8943.0231.2762.1643.4642.9432.3163.2894.224.1414.3213.364.5992.9952.6914.795.4264.1771.4483.294.7014.1982.7714.618NA5.812NANA
us-gaap:AccruedLiabilitiesCurrent ▁▂▂▂▂▁▁▄▄▅▅▄▃▄▄▄▃▄▄▄▄▄▅▅▄▅▅▅▅█▇▇▇▇▇1.7092.0391.9522.3422.921.4611.1085.7655.3816.6397.0625.253.4174.6455.3045.2114.584.8845.2845.334.7675.6866.3976.2985.1396.6796.5786.3856.01610.8979.1599.9888.8169.439.456NA9.497NANA
us-gaap:OperatingLeaseLiabilityCurrent ▅▅▁█0.1520.1520.1090.188NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:DeferredIncomeTaxLiabilitiesNet 0.834NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent █▃▂▂▂▃▁▂▂▁▁▁▂▂▂▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▃▃4.3161.0671.051.0341.0161.060.3140.5430.5430.1690.3020.3531.0410.5861.0241.2421.2951.0951.2041.2041.2040.2610.1830.1830.1830.2460.2460.2460.2460.2740.2740.2740.2741.4211.548NA1.787NANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▂█▁▃0.2680.3010.2640.274NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:StockholdersEquity ▁▂▂▂▂▁▁▁▁▂▂▃▃▃▃▃▂▂▂▂▃▄▃▃▃▇▇▆▆██████141.675161.163160.803160.09159.011140.111138.197136.619135.261179.186181.107182.252182.826182.157182.381182.061180.867178.116175.825175.42181.599211.798211.662206.983200.543313.542309.734303.434299.922349.457346.492346.587343.211341.001337.695NA325.308NANA
us-gaap:CommonStockValue ▄▄2.0962.096NANA2.096NANANA2.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0952.0952.0882.0882.0872.0832.0832.0832.082.082.0792.0792.0752.075NA2.072NANA
us-gaap:AdditionalPaidInCapital ████████▇▇▇▇▆▆▆▆▆▅▅▅▅▄▄▃▂▂▁169.862169.542169.425169.463169.395169.489169.304169.198169.011168.305168.071167.851167.612167.366167.102166.75166.398166.061165.71165.288164.819164.229163.856162.054161.677160.558159.634NA158.79NANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▂▂▁▁▁▁▃▃▃▃▃▃▃▃▃▂▂▂▃▃▃▃▇▇▆▆██████-21.774-1.587-1.982-2.067-2.605-17.615-19.278-19.954-21.09923.67124.97926.48327.11226.65826.80626.84925.92223.37421.2918.7616.04844.57944.64341.77935.651149.957147.321141.36138.514188.59185.962184.794181.941180.866177.562NA166.795NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▂▃▂▁▂▂▁▁▁▄▃▄▄▅▅▅▅▅▆▅▄▄▄▅▄▃▄▃▄▃█▇██0.6680.3070.5170.324-0.0220.2410.2220.0960.1310.0770.9240.8361.0261.0571.3971.3861.4711.3421.4861.5921.4681.1611.1621.1561.2211.0340.790.9910.6290.9640.792.3742.0772.2272.386NA1.983NANA
us-gaap:TreasuryStockValue ▅▅▅▆▆██████████████▇▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁9.1779.1959.2539.7269.85314.114.14714.81714.87814.96314.96315.01415.0215.0215.0215.0215.0214.75714.75712.3162.8320.2660.0940.0940.0940.0940.0940.0940.0940.0940.0010.0010.0010.0010.001NA0.001NANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNA0.1390.1410.124NA0.1950.1990.201NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:NetCashProvidedByUsedInOperatingActivities NA3.264-3.6232.648NA7.4743.741-0.259-1.6383.477-1.0482.552.501NANA8.4157.1624.8057.799-5.818NA2.8118.8119.339NA9.716.5966.369NA6.9473.9312.388.6767.8324.7210.2068.65814.7NA
us-gaap:NetCashProvidedByUsedInInvestingActivities NA-19.8-19.357-21.71NA-8.0661.8820.594110.1930.032-13.267-54.909-3.651NANA3.48113.92-13.35426.925-35.508NA35.533-29.011-5.263NA10.938-83.902-1.877NA19.704-2.066-1.255-15.793-17.741-18.44644.411-0.00311.047NA
us-gaap:NetCashProvidedByUsedInFinancingActivities NA-2.015-1.756-1.978NA-1.991-1.448-1.976-121.928-3.024-2.991-2.767-2.773NANA-2.7731.009-4.525-6.98-38.999NA-2.2-0.587-2.012NA-1.395-1.835-2.035NA-2.173-1.952-2.048-0.978-2.075-1.381-1.961-20.926-1.674NA
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NANANA-21.04NANANA-1.617-12.3380.401-17.122-55.125-4.0363.036-3.4229.10321.022-12.64427.82-79.979NA35.817-20.6571.946NA18.744-79.1482.966NA24.58-0.225-0.915-8.146-12.123-15.152.677-12.10223.821NA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:NetCashProvidedByUsedInOperatingActivities NA3.264-3.6232.648NA7.4743.741-0.259-1.6383.477-1.0482.552.501NANA8.4157.1624.8057.799-5.818NA2.8118.8119.339NA9.716.5966.369NA6.9473.9312.388.6767.8324.7210.2068.65814.7NA
us-gaap:NetIncomeLoss ▄▄▄▄█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄2.3842.4462.1352.587103.9863.6912.73.16817.9650.7160.521.3942.4771.8751.9812.954.5744.1094.5694.7774.8412.0314.9558.216-60.0244.7218.0454.9294.0724.713.2464.9333.1515.3797.677.2428.2855.029.447
us-gaap:DepreciationDepletionAndAmortization NA0.4090.3670.366NA0.4520.1610.7040.750.7240.740.8070.7340.720.8250.8270.8450.8470.840.837NA0.890.8650.898NA1.0120.9950.968NA1.0341.071.11.5981.4371.4271.4291.561.723NA
us-gaap:ShareBasedCompensation NA0.1390.1410.124NA0.1940.1990.2010.7360.2340.2350.240.2460.2640.3520.3520.3430.3510.4220.419NA0.3070.3040.301NA0.240.2760.271NA0.2560.1930.1940.190.1610.2010.210.2090.2NA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:NetCashProvidedByUsedInInvestingActivities NA-19.8-19.357-21.71NA-8.0661.8820.594110.1930.032-13.267-54.909-3.651NANA3.48113.92-13.35426.925-35.508NA35.533-29.011-5.263NA10.938-83.902-1.877NA19.704-2.066-1.255-15.793-17.741-18.44644.411-0.00311.047NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment NA2.1090.3941.86NA0.2290.1570.0130.1830.2030.3950.1050.0480.10.0530.0410.0780.0940.050.176NA0.1490.1790.053NA0.160.1490.464NA0.5710.2310.3880.5460.8021.1431.5031.1140.732NA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
us-gaap:NetCashProvidedByUsedInFinancingActivities NA-2.015-1.756-1.978NA-1.991-1.448-1.976-121.928-3.024-2.991-2.767-2.773NANA-2.7731.009-4.525-6.98-38.999NA-2.2-0.587-2.012NA-1.395-1.835-2.035NA-2.173-1.952-2.048-0.978-2.075-1.381-1.961-20.926-1.674NA
us-gaap:PaymentsOfDividendsCommonStock NANANA2.049NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock NANANANANANANANANANANANANANANANA0.2630.02.4419.484NA0.1720.00.0NANANANANANANANANANANANANANANA
  2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-03-012019-12-012019-03-032018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value2096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02095000.02095000.02088000.02088000.02087000.02083000.02083000.02083000.02080000.02080000.02079000.02079000.02075000.02075000.02072000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.11.11.20.70.70.70.70.70.70.70.70.60.60.60.60.50.50.50.60.50.50.60.60.60.60.60.60.60.60.6

None

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-01
Value2020202020202020202020202020
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-01
Value0.5837180.4463210.4472050.4500170.4729910.4791910.6857360.6880360.7205860.7235730.7304730.7304730.7304730.130641
Percentage of SharesOutstanding2.82.12.12.12.32.33.33.33.43.53.53.53.50.6

None

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-262011-02-27
Value20202020202020202020
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


None
Period End2020-03-012017-10-042017-05-052016-10-032016-05-062015-01-07
Value202020202020
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


None
Period End2020-06-032020-01-102019-10-042019-07-032019-05-102019-01-032018-06-272017-05-05
Value2020202020202020
Percentage of CommonStockSharesOutstanding0.00.00.00.00.00.00.0100.0

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-08-302014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292010-11-282010-08-29
Value202020202020200.0203822020202020202020202020202020202121202020202020202020202020202020
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-08-302014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292010-11-282010-08-29
Value202020202020200.0202532020202020202020202020202020202020202020202020202020202020202020
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-282018-11-252018-08-262018-05-272017-11-262017-08-272017-05-282016-11-272016-08-282016-05-29
Value0.4260.0760.0770.1910.1450.1450.1460.5440.5990.7130.8720.8820.8821.025
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-08-302014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value0.10.120.120.10.135.10.180.130.160.890.040.030.070.120.090.10.150.230.20.230.230.230.10.240.240.39-2.880.230.390.240.20.230.160.240.150.260.370.350.40.240.46
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-08-302014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value0.10.120.120.10.135.070.180.130.160.880.040.030.070.120.090.10.150.230.20.230.230.230.10.240.240.39-2.880.230.390.240.20.230.160.240.150.260.370.350.40.240.46
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-27
Value0.10.130.140.10.130.080.10.090.040.850.020.04
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-27
Value0.10.130.140.10.130.080.10.090.040.850.020.04
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value12151513141612113127101127272629313534373736344248383944434241464643475051514654
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0100.0100.0100.0100.0100.0100.0100.0299.3100.039.138.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementGeographical

srt:Asia


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272017-05-28
Value0.1890.4730.1570.2520.150.2231110
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.53.01.11.71.22.036.836.6
Percentage of Revenues0.03.01.11.71.22.0110.036.6
Percentage of Revenues srt:Asia0.00.00.00.00.00.00.00.0

srt:Europe


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272017-05-28
Value0.2780.9050.6790.5080.480.7543.0271.968
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.35.74.93.43.76.79.77.2
Percentage of Revenues0.05.74.93.43.76.729.17.2
Percentage of Revenues srt:Europe0.00.00.00.00.00.00.00.0

srt:NorthAmerica


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272017-05-28
Value1114121412101615
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax96.291.393.994.995.191.353.556.2
Percentage of Revenues0.091.393.994.995.191.3160.156.2
Percentage of Revenues srt:NorthAmerica0.00.00.00.00.00.00.00.0

None

us-gaap:Revenues

us-gaap:Revenues


None
Period End2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value151513141612111027262927272629313534373736344248383944434241464643475051514654
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value8.539109.91108.5698.06622627.2648.14721
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.068.372.267.966.771.9217.4226.227.827.376.9

None

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value8.539109.91108.5698.066227.1027.2648.14721
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.068.372.267.966.771.9217.425.527.827.376.9

None

us-gaap:GrossProfit

us-gaap:GrossProfit


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value3.6745.0345.0223.8134.8045.9034.2843.1458.5086.896.077.1776.3227.3866.6347.2348.78710101011118.5981216101113121112131211121415161418
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.032.531.727.832.135.433.328.181.924.823.224.123.126.825.124.927.930.030.027.330.031.124.828.734.727.427.830.629.927.730.428.428.225.727.528.830.833.130.933.6

None

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value1.631.9491.9141.9221.9832.1164.8195.4044.7974.4434.7274.6884.6045.115.3375.1375.2645.0095.8015.7546.2526.5966.1066.0416.5566.3656.5917.0566.8046.9916.9027.556.5366.3817.238
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.012.313.912.915.418.946.419.418.414.917.217.017.417.616.914.415.313.215.316.614.813.515.413.615.115.414.215.315.614.813.714.612.813.613.3

None

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value2.0443.0731.8992.8822.3011.0293.5061.1990.801-0.1680.2342.5911.9172.1013.385.4284.8755.2615.4422.2085.836104.9327.4616.2355.6164.0835.9093.1876.0057.6348.419106.79911
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.019.413.819.317.99.233.74.33.1-0.60.99.47.27.210.715.214.213.914.46.413.820.612.416.814.413.68.812.87.312.715.116.220.314.520.3

None

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value1.9722.6332.8062.0522.7141.5882.0781.8240.816170.3440.8590.072
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.017.017.715.018.29.516.216.37.961.91.32.90.3

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value2.73.8752.7623.832.6941.3863.846-0.5830.5011.1160.473
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.024.520.125.621.012.437.0-2.11.93.71.7

None

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value0.7281.0690.711.1160.616-0.4380.678-18.1340.13-0.54-0.9210.2190.1290.1550.4750.6170.6380.6530.5610.0380.7471.6440.163-0.6921.2031.0491.0161.1740.2390.8141.7581.3982.3361.9021.85
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.06.75.27.54.8-3.96.5-65.20.5-1.8-3.40.80.50.51.51.71.91.71.50.11.83.40.4-1.62.82.52.22.50.51.73.52.74.64.13.4

None

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


None
Period End2020-05-312019-12-012018-11-252018-08-262018-05-272018-02-252017-11-262017-02-262016-11-272016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-02-272010-11-28
Value-0.3230.6330.0-0.112.442-1.0341.540.6031.2820.4731.3961.549113.320.4590.02.22.2630.0022.8922.4350.671-0.0732.6470.7031.684
Percentage of IncomeTaxesPaidNet100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.04.00.0-1.023.5-3.75.92.24.81.34.14.129.99.61.10.05.55.10.07.05.21.5-0.25.61.43.6

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-08-302014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value1.9572.3842.4462.1352.5871033.6912.73.168170.7160.521.3942.4771.8751.9812.954.5744.1094.5694.7774.8412.0314.9554.9558.216-60.0244.7218.0454.9294.0724.713.2464.9333.1515.3797.677.2428.2855.029.447
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.015.415.415.617.3624.228.724.130.564.62.71.75.19.07.16.89.412.812.012.012.613.45.911.70.016.8-157.311.918.111.39.511.47.010.77.211.415.214.016.210.717.3

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-27
Value1.9572.4462.1352.5873.6912.73.168
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.015.415.617.328.724.130.5
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

None

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-29
Value2.1612.2362.3282.9333.712.8263.13318-0.1310.6081.2042.4461.5351.9922.8654.7033.9654.4634.9012.0284.9618.1514.9667.845.2944.8821.6625.233.0015.227.6247.691
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.014.117.019.628.925.230.164.8-0.52.04.48.95.86.99.113.211.611.813.05.811.716.712.517.612.211.83.611.46.911.015.114.8

None

us-gaap:Assets

us-gaap:Assets


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value168171184183189188177173169169301308307308310313317314325330330350388391389377382380375369369366371365366363353
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:Liabilities

us-gaap:Liabilities


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value283023222929373432331221271251251271301341331471541551691771791821766870726919202522252528
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.717.512.712.415.615.821.320.219.420.040.541.240.840.841.241.842.642.545.446.747.048.245.546.046.946.818.018.619.218.95.45.56.86.27.07.18.1

None

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value168171184183189188177173169169301308307308310313317314325330330350388391389377382380375369369366371365366363353
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value140141161160160159140138136135179181182182182182182180178175175181211211206200313309303299349346346343341337325
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets83.382.587.387.684.484.278.779.880.680.059.558.859.259.258.858.257.457.554.653.353.051.854.554.053.153.282.081.480.881.194.694.593.293.893.092.991.9

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value0.8720.6680.3070.5170.324-0.0220.2410.2220.0960.1311.0261.4711.4711.4681.2210.6292.0771.9831.6161.622
Percentage of StockholdersEquity0.60.50.20.30.2-0.00.20.20.10.10.60.00.80.80.60.20.60.60.00.0
Percentage of Assets0.50.40.20.30.2-0.00.10.10.10.10.30.00.50.40.30.20.60.60.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value169169169169169169169169169169167166166164161158157154149146
Percentage of StockholdersEquity121.2119.9105.2105.4105.9106.5121.0122.5123.8125.091.70.092.090.880.652.945.847.50.00.0
Percentage of Assets100.998.991.992.389.389.795.397.899.8100.054.30.052.947.042.943.042.943.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value2.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0882.0832.0792.0722.0542.047
Percentage of StockholdersEquity1.51.51.31.31.31.31.51.51.51.51.10.01.21.21.00.70.60.60.00.0
Percentage of Assets1.21.21.11.11.11.11.21.21.21.20.70.00.70.60.60.60.60.60.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value-21.855-21.774-1.587-1.982-2.067-2.605-17.615-19.278-19.954-21.0992725251635138181166163145
Percentage of StockholdersEquity-15.6-15.4-1.0-1.2-1.3-1.6-12.6-13.9-14.6-15.614.80.014.38.817.846.253.051.30.00.0
Percentage of Assets-13.0-12.7-0.9-1.1-1.1-1.4-9.9-11.1-11.8-12.58.80.08.24.69.537.549.747.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value-10.821-9.177-9.195-9.253-9.726-9.853-14.1-14.147-14.817-14.878-15.02-15.02-15.02-2.832-0.094-0.094-0.001-0.001-0.001-0.001
Percentage of StockholdersEquity-7.7-6.5-5.7-5.8-6.1-6.2-10.1-10.2-10.8-11.0-8.20.0-8.3-1.6-0.0-0.0-0.0-0.00.00.0
Percentage of Assets-6.4-5.3-5.0-5.0-5.1-5.2-7.9-8.2-8.7-8.8-4.90.0-4.8-0.8-0.0-0.0-0.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value139145159160166167147142142141262268268269269272275272267270271313323327324311335332327320318317317311309305296
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets82.984.586.787.687.988.982.982.384.083.687.187.287.487.287.086.986.886.582.182.182.089.383.283.683.382.587.787.587.186.786.186.585.585.184.384.083.9

None

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-292010-02-282009-03-01
Value8.4055.416.68254971162016183030471021061031069776896114115011413513312810918918615212812812913714916411212410013440
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.03.13.613.726.337.69.612.09.810.810.29.815.433.234.333.033.731.123.527.118.640.438.629.234.735.333.728.950.350.341.435.034.635.437.541.20.031.70.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:CashAndCashEquivalents

pke:CashAndCashEquivalentsForeignFinancialInstitutions


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-01
Value0.021657.513222828
Percentage of CashAndCashEquivalentsAtCarryingValue0.491.741.221.729.520.5
Percentage of Assets0.034.54.47.29.28.3
Percentage of Assets pke:CashAndCashEquivalentsForeignFinancialInstitutions0.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:InvestmentType

us-gaap:DebtSecurities


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-03
Value2.496494.98329390.0190.0
Percentage of CashAndCashEquivalentsAtCarryingValue46.170.027.329.240.90.015.00.0
Percentage of Assets1.526.32.99.712.70.05.30.0
Percentage of Assets us-gaap:DebtSecurities0.00.00.00.00.00.00.00.0

None

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value6.5910108.8558.9199.3525.8645.8782119162117171618182220212121202228222225262525272723272829
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.96.45.54.84.75.03.33.412.611.75.56.95.85.65.25.95.87.26.26.66.56.15.45.87.36.16.06.77.17.06.87.67.46.47.57.78.4

None

us-gaap:InventoryNet

us-gaap:InventoryNet


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value6.686.3793.9364.6265.245.2674.5773.9941211111110111211121012141414141515131414141215151815161412
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.03.72.12.52.82.82.62.37.56.63.83.93.53.64.13.83.83.23.94.34.44.13.73.93.93.73.83.83.83.54.34.34.94.34.44.13.6

None

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value5243000.05535000.01703000.01913000.01591000.01690000.01503000.01578000.02417000.02119000.02751000.02582000.02532000.02197000.02329000.02292000.02322000.01963000.05177000.05472000.06126000.05256000.03105000.04147000.03698000.04132000.06421000.08879000.06797000.06662000.03706000.03964000.03544000.03449000.03287000.04819000.03805000.0
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.20.91.00.80.90.80.91.41.30.90.80.80.70.80.70.70.61.61.71.91.50.81.10.91.11.72.31.81.81.01.11.00.90.91.31.1

None

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-05-272018-03-032018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-02-27
Value28262422222027202728292829292931323232333640394040464748485149485456
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.115.513.312.412.111.116.00.016.49.69.59.39.59.49.510.010.49.810.010.210.410.310.010.310.812.312.512.913.313.913.513.214.916.1

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

srt:Asia


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-05-272018-03-032018-02-252017-02-262016-02-28
Value1.611.651.6921.7331.7751.5467.231.5467.4838.449.478
Percentage of NoncurrentAssets5.66.26.97.67.87.426.77.427.028.729.1
Percentage of Assets1.01.00.90.90.90.84.30.04.42.73.0
Percentage of Assets srt:Asia0.00.00.00.00.00.00.00.00.00.00.0

srt:NorthAmerica


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-05-272018-03-032018-02-252017-02-262016-02-28
Value2724222121191919202022
Percentage of NoncurrentAssets94.493.893.192.492.292.672.592.672.270.670.1
Percentage of Assets16.214.512.411.511.110.311.60.011.96.77.3
Percentage of Assets srt:NorthAmerica0.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value4870166169170172172171176
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.437.198.454.954.049.245.846.448.2

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

pke:MachineryEquipmentFurnitureAndFixtures


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value3556127129130130133131135
Percentage of PropertyPlantAndEquipmentGross72.181.276.376.576.575.777.077.076.6
Percentage of Assets20.530.275.242.041.337.235.335.736.9
Percentage of Assets pke:MachineryEquipmentFurnitureAndFixtures0.00.00.00.00.00.00.00.00.0

us-gaap:LandBuildingsAndImprovements


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value131339393942393941
Percentage of PropertyPlantAndEquipmentGross27.918.823.723.523.524.323.023.023.4
Percentage of Assets7.97.023.312.912.712.010.510.711.2
Percentage of Assets us-gaap:LandBuildingsAndImprovements0.00.00.00.00.00.00.00.00.0

None

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value3259149150148146143139137
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.031.488.748.947.241.738.037.737.6

None

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value1816141212108.8889.1111516171717181919202122232326272828293030313232333738404141
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.99.47.66.76.55.75.05.39.39.85.75.75.86.06.26.46.56.86.87.07.27.67.07.27.47.97.98.18.58.78.99.110.210.611.011.311.7

None

us-gaap:Goodwill

us-gaap:Goodwill


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value9776000.09776000.09776000.09776000.09776000.09776000.09776000.09854000.09776000.09776000.07576000.07661000.07661000.07576000.07576000.06476000.0
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.75.25.83.23.12.82.62.62.62.62.12.12.12.12.11.8

None

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value28000.035000.042000.049000.057000.064000.071000.078000.085000.0
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0

None

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-03-032012-02-26
Value9804000.09804000.09811000.09811000.09811000.09811000.09818000.09818000.09818000.09818000.09825000.09825000.09825000.09825000.09833000.09833000.09833000.09833000.09840000.09840000.09840000.09840000.09847000.09847000.09847000.09847000.09854000.09854000.09854000.07661000.0
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.85.75.35.35.25.25.55.75.85.83.33.23.23.23.23.13.13.13.03.03.02.82.52.52.52.62.62.62.72.1

None

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-02
Value387000.0420000.0453000.0373000.0462000.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.2

None

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value264000.0268000.0284000.0285000.0311000.0316000.0384000.0377000.01405000.01405000.01919000.01956000.0989000.0985000.01125000.01328000.01281000.01247000.01273000.01370000.0946000.01046000.03019000.01316000.01376000.01332000.06969000.06995000.06997000.06943000.08475000.08465000.08347000.08042000.09510000.09401000.09081000.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.80.80.60.60.30.30.40.40.40.40.40.40.30.30.80.30.40.41.81.81.91.92.32.32.22.22.62.62.6

None

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value6.8148.7075.9385.361101114111312131715141315181626292629323232241517191618182321222225
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.05.13.22.95.65.98.06.87.77.24.55.75.04.64.44.95.85.38.38.98.18.58.38.38.46.44.14.75.14.55.15.26.45.96.26.27.1

None

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value2.4874.7352.011.8191.9713.1691.7091.0914.4864.0253.4245.4443.6194.1834.6924.9366.8386.1555.5988.3155.9046.8824.6227.9249.36.1096.2246.3957.4196.4856.3316.5439.2558.427108.6029.944
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.52.81.11.01.01.71.00.62.62.41.11.81.21.41.51.62.22.01.72.51.82.01.22.02.41.61.61.72.01.81.71.82.52.32.92.42.8

None

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value120000.0194000.0892000.01161000.01156000.01235000.01287000.01516000.01492000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.50.40.40.40.30.40.4

None

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value2824000.02111000.01737000.01481000.06026000.05066000.01539000.01467000.02821000.02821000.0591000.01891000.02894000.03023000.01276000.02164000.03464000.02943000.02316000.03289000.04220000.04141000.04321000.03360000.04599000.02995000.02691000.04790000.05426000.04177000.01448000.03290000.04701000.04198000.02771000.04618000.05812000.0
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.20.90.83.22.70.90.81.71.70.20.60.91.00.40.71.10.90.71.01.31.21.10.91.20.80.71.31.41.10.40.91.31.10.81.31.6

None

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value1.3611.7092.0391.9522.3422.921.4611.1085.7655.3816.6397.0625.253.4174.6455.3045.2114.584.8845.2845.334.7675.6866.3976.2985.1396.6796.5786.3856.016109.1599.9888.8169.439.4569.497
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.81.01.11.11.21.50.80.63.43.22.22.31.71.11.51.71.61.51.51.61.61.41.51.61.61.41.71.71.71.62.92.52.72.42.62.62.7

None

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-02
Value142000.0152000.0152000.0109000.0188000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.1

None

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


None
Period End2020-05-312020-03-01
Value793000.0834000.0
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0
Percentage of Assets0.50.5

None

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value4367000.04316000.01067000.01050000.01034000.01016000.01060000.0314000.0543000.0543000.0169000.0302000.0353000.01041000.0586000.01024000.01242000.01295000.01095000.01204000.01204000.01204000.0261000.0183000.0183000.0183000.0246000.0246000.0246000.0246000.0274000.0274000.0274000.0274000.01421000.01548000.01787000.0
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.50.60.60.50.50.60.20.30.30.10.10.10.30.20.30.40.40.30.40.40.30.10.00.00.00.10.10.10.10.10.10.10.10.40.40.5

None

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-02
Value245000.0268000.0301000.0264000.0274000.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.10.1

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value140141161160160159140138136135179181182182182182182180178175175181211211206200313309303299349346346343341337325
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets83.382.587.387.684.484.278.779.880.680.059.558.859.259.258.858.257.457.554.653.353.051.854.554.053.153.282.081.480.881.194.694.593.293.893.092.991.9

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value0.8720.6680.3070.5170.324-0.0220.2410.2220.0960.1311.0261.4711.4711.4681.2210.6292.0771.9831.6161.622
Percentage of StockholdersEquity0.60.50.20.30.2-0.00.20.20.10.10.60.00.80.80.60.20.60.60.00.0
Percentage of Assets0.50.40.20.30.2-0.00.10.10.10.10.30.00.50.40.30.20.60.60.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value169169169169169169169169169169167166166164161158157154149146
Percentage of StockholdersEquity121.2119.9105.2105.4105.9106.5121.0122.5123.8125.091.70.092.090.880.652.945.847.50.00.0
Percentage of Assets100.998.991.992.389.389.795.397.899.8100.054.30.052.947.042.943.042.943.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value2.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0962.0882.0832.0792.0722.0542.047
Percentage of StockholdersEquity1.51.51.31.31.31.31.51.51.51.51.10.01.21.21.00.70.60.60.00.0
Percentage of Assets1.21.21.11.11.11.11.21.21.21.20.70.00.70.60.60.60.60.60.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value-21.855-21.774-1.587-1.982-2.067-2.605-17.615-19.278-19.954-21.0992725251635138181166163145
Percentage of StockholdersEquity-15.6-15.4-1.0-1.2-1.3-1.6-12.6-13.9-14.6-15.614.80.014.38.817.846.253.051.30.00.0
Percentage of Assets-13.0-12.7-0.9-1.1-1.1-1.4-9.9-11.1-11.8-12.58.80.08.24.69.537.549.747.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-02-262016-03-012016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-282009-03-01
Value-10.821-9.177-9.195-9.253-9.726-9.853-14.1-14.147-14.817-14.878-15.02-15.02-15.02-2.832-0.094-0.094-0.001-0.001-0.001-0.001
Percentage of StockholdersEquity-7.7-6.5-5.7-5.8-6.1-6.2-10.1-10.2-10.8-11.0-8.20.0-8.3-1.6-0.0-0.0-0.0-0.00.00.0
Percentage of Assets-6.4-5.3-5.0-5.0-5.1-5.2-7.9-8.2-8.7-8.8-4.90.0-4.8-0.8-0.0-0.0-0.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-03-012019-12-012019-03-032018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value2096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02095000.02095000.02088000.02088000.02087000.02083000.02083000.02083000.02080000.02080000.02079000.02079000.02075000.02075000.02072000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.11.11.20.70.70.70.70.70.70.70.70.60.60.60.60.50.50.50.60.50.50.60.60.60.60.60.60.60.60.6

None

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-03-03
Value169169169169169169169169169169168168167167167167166166166165165164164163162161160159158
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.998.991.992.389.389.795.397.899.8100.055.954.554.554.354.053.352.652.951.050.250.047.042.241.841.642.942.042.043.0

None

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value-21.855-21.774-1.587-1.982-2.067-2.605-17.615-19.278-19.954-21.09923242627262626252321181644444135149147141138188185184181180177166
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-13.0-12.7-0.9-1.1-1.1-1.4-9.9-11.1-11.8-12.57.98.18.68.88.68.68.58.27.26.45.74.611.511.410.79.539.238.737.637.551.150.749.749.749.348.947.1

None

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value872000.0668000.0307000.0517000.0324000.0-22000.0241000.0222000.096000.0131000.077000.0924000.0836000.01026000.01057000.01397000.01386000.01471000.01342000.01486000.01592000.01468000.01161000.01162000.01156000.01221000.01034000.0790000.0991000.0629000.0964000.0790000.02374000.02077000.02227000.02386000.01983000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.40.20.30.2-0.00.10.10.10.10.00.30.30.30.30.40.40.50.40.50.50.40.30.30.30.30.30.20.30.20.30.20.60.60.60.70.6

None

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value109.1779.1959.2539.7269.8531414141414141515151515151414122.8320.2660.0940.0940.0940.0940.0940.0940.0940.0940.0010.0010.0010.0010.0010.001
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.45.35.05.05.15.27.98.28.78.85.04.94.94.94.84.84.74.84.54.53.70.80.10.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdditionalPaidInCapital


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-27
Value43000.0139000.0141000.0124000.0195000.0199000.0201000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value4.7263.264-3.6232.6487.4743.741-0.259-1.6383.477-1.0482.552.5018.4157.1624.8057.799-5.8182.8118.8119.3399.716.5966.3696.9473.9312.388.6767.8324.72108.65814
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.020.6-26.417.758.133.4-2.5-5.913.3-3.59.39.126.720.014.020.6-15.48.120.819.124.514.814.716.88.55.219.916.69.419.716.931.3

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value1.951-19.8-19.357-21.71-8.0661.8820.5941100.032-13.267-54.909-3.6513.48113-13.35426-35.50835-29.011-5.26310-83.902-1.87719-2.066-1.255-15.793-17.741-18.44644-0.00311
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-124.9-141.1-145.2-62.816.85.7396.30.1-44.5-200.3-13.211.138.9-38.971.0-93.9102.5-68.5-10.827.6-188.6-4.347.7-4.4-2.7-36.2-37.5-36.685.7-0.023.5

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value-3682000.0-2015000.0-1756000.0-1978000.0-1991000.0-1448000.0-1976000.0-121930000.0-3024000.0-2991000.0-2767000.0-2773000.0-2773000.01009000.0-4525000.0-6980000.0-38999000.0-2200000.0-587000.0-2012000.0-1395000.0-1835000.0-2035000.0-2173000.0-1952000.0-2048000.0-978000.0-2075000.0-1381000.0-1961000.0-20926000.0-1674000.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-12.7-12.8-13.2-15.5-12.9-19.0-438.5-11.6-10.0-10.1-10.0-8.82.8-13.2-18.4-103.1-6.3-1.4-4.1-3.5-4.1-4.7-5.3-4.2-4.4-2.2-4.4-2.7-3.8-40.9-3.6

None

us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease

us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease


None
Period End2020-05-312019-06-022018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value2.995-21.04-1.617-12.3380.401-17.122-55.125-4.0363.036-3.4229.10321-12.64427-79.97935-20.6571.94618-79.1482.96624-0.225-0.915-8.146-12.123-15.152-12.10223
Percentage of CashAndCashEquivalentsPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-140.7-15.6-44.41.5-57.4-201.1-14.611.5-11.828.958.8-36.873.3-211.4103.3-48.84.047.2-177.96.859.6-0.5-2.0-18.7-25.6-29.9101.7-23.650.8

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value4.7263.264-3.6232.6487.4743.741-0.259-1.6383.477-1.0482.552.5018.4157.1624.8057.799-5.8182.8118.8119.3399.716.5966.3696.9473.9312.388.6767.8324.72108.65814
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.020.6-26.417.758.133.4-2.5-5.913.3-3.59.39.126.720.014.020.6-15.48.120.819.124.514.814.716.88.55.219.916.69.419.716.931.3

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-08-302014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value1.9572.3842.4462.1352.5871033.6912.73.168170.7160.521.3942.4771.8751.9812.954.5744.1094.5694.7774.8412.0314.9554.9558.216-60.0244.7218.0454.9294.0724.713.2464.9333.1515.3797.677.2428.2855.029.447
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.015.415.415.617.3624.228.724.130.564.62.71.75.19.07.16.89.412.812.012.012.613.45.911.70.016.8-157.311.918.111.39.511.47.010.77.211.415.214.016.210.717.3

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-27
Value1.9572.4462.1352.5873.6912.73.168
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.015.415.617.328.724.130.5
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

None

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value277000.0409000.0367000.0366000.0452000.0161000.0704000.0750000.0724000.0740000.0807000.0734000.0720000.0825000.0827000.0845000.0847000.0840000.0837000.0890000.0865000.0898000.01012000.0995000.0968000.01034000.01070000.01100000.01598000.01437000.01427000.01429000.01560000.01723000.0
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value43000.0139000.0141000.0124000.0194000.0199000.0201000.0736000.0234000.0235000.0240000.0246000.0264000.0352000.0352000.0343000.0351000.0422000.0419000.0307000.0304000.0301000.0240000.0276000.0271000.0256000.0193000.0194000.0190000.0161000.0201000.0210000.0209000.0200000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value1.951-19.8-19.357-21.71-8.0661.8820.5941100.032-13.267-54.909-3.6513.48113-13.35426-35.50835-29.011-5.26310-83.902-1.87719-2.066-1.255-15.793-17.741-18.44644-0.00311
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-124.9-141.1-145.2-62.816.85.7396.30.1-44.5-200.3-13.211.138.9-38.971.0-93.9102.5-68.5-10.827.6-188.6-4.347.7-4.4-2.7-36.2-37.5-36.685.7-0.023.5

None

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value2541000.02109000.0394000.01860000.0229000.0157000.013000.0183000.0203000.0395000.0105000.048000.0100000.053000.041000.078000.094000.050000.0176000.0149000.0179000.053000.0160000.0149000.0464000.0571000.0231000.0388000.0546000.0802000.01143000.01503000.01114000.0732000.0
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value-3682000.0-2015000.0-1756000.0-1978000.0-1991000.0-1448000.0-1976000.0-121930000.0-3024000.0-2991000.0-2767000.0-2773000.0-2773000.01009000.0-4525000.0-6980000.0-38999000.0-2200000.0-587000.0-2012000.0-1395000.0-1835000.0-2035000.0-2173000.0-1952000.0-2048000.0-978000.0-2075000.0-1381000.0-1961000.0-20926000.0-1674000.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.0-12.7-12.8-13.2-15.5-12.9-19.0-438.5-11.6-10.0-10.1-10.0-8.82.8-13.2-18.4-103.1-6.3-1.4-4.1-3.5-4.1-4.7-5.3-4.2-4.4-2.2-4.4-2.7-3.8-40.9-3.6

None

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


None
Period End2020-05-312019-06-02
Value2.0382.049
Percentage of PaymentsOfDividendsCommonStock100.0100.0

None

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


None
Period End2020-05-312016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-01
Value1.6440.2630.02.4419.4840.1720.00.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.0100.0100.0100.00.00.0

None

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-28
Value0.270.2760.2570.2910.229-0.3160.176-17.4820.3130.23-1.943-0.0050.0640.0730.139-0.0010.1340.1250.1050.0180.1310.1670.033-0.0940.1960.1820.2380.192-0.0120.1310.186
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-05-272018-02-252017-02-262016-11-272016-02-282015-11-292015-08-302015-05-312015-03-012014-03-022013-03-032012-11-252012-08-262012-02-262011-02-272010-02-28
Value637480.0510630.0518360.0559240.0582210.0540710.0748900.0875250.0885550.01070500.01077300.01226400.01027000.01055400.01134500.0966690.01081100.0977780.01023100.0822610.0915950.0802090.01018100.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-05-272018-02-252017-02-262016-11-272016-02-282015-11-292015-08-302015-05-312015-03-012014-03-022013-03-032012-11-252012-08-262012-02-262011-02-272010-02-28
Value12.4712.4513.4813.513.4713.4917.2817.5617.5521.0821.0521.1922.4922.5122.4322.5523.8425.5425.3925.3325.426.0524.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value1.6521.8691.8694.837.0427.312108.9156.9778.366
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-262011-02-27
Value4164000.0937000.0314000.01024000.01255000.01135000.0276000.03053000.03999000.02044000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefits us-gaap:BalanceSheetLocation

us-gaap:OtherNoncurrentLiabilities


None
Period End2020-03-012019-03-032014-03-02
Value4356000.01016000.0124000.0
Percentage of UnrecognizedTaxBenefits104.6108.444.9

None

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value3.1752.7552.75510101111111211
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

pke:NelcoTechnologyZhuhaiFTZLtd, us-gaap:StateAndLocalJurisdiction, us-gaap:NewYorkStateDivisionOfTaxationAndFinance


None
Period End2020-03-012019-03-03
Value3.1752.755
Percentage of DeferredTaxAssetsValuationAllowance0.0100.0

pke:DisposalGroupIncludingDiscontinuedOperationRestructuringCharges

pke:DisposalGroupIncludingDiscontinuedOperationRestructuringCharges


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-26
Value20000.0484000.082000.033000.0836000.0454000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationRestructuringCharges100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value-8000.016000.04000.0-56000.0-58000.02000.022000.066000.096000.081000.044000.080000.076000.0145000.0133000.0148000.0284000.0249000.0205000.0128000.0214000.0316000.0206000.0271000.0409000.0437000.0397000.0306000.0432000.0279000.0409000.0361000.0292000.0781000.0
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-26
Value2.995-18.551-24.736-21.04-2.5834.175-1.641-13.3730.485
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-26
Value-0.015-0.360.083-0.1273.8860.5121.3338.0581.064
Percentage of CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-26
Value-0.02-0.4840.111-0.1692.231.057
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax100.0100.0100.0100.0100.0100.0

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-26
Value-0.02-0.484-0.177-0.169-0.7151.057
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax100.0100.0100.0100.0100.0100.0

us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation

us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-26
Value-0.005-0.1240.028-0.0420.6170.181
Percentage of DiscontinuedOperationTaxEffectOfDiscontinuedOperation100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash us-gaap:StatementEquityComponents

us-gaap:DividendsCash

us-gaap:RetainedEarnings


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-27
Value2.0382.0512.052.0492.0282.0242.023
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value-0.015-0.249-0.360.083-0.1271021.6130.8762.3520.7680.372-0.3391.322
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare


None
Period End2020-03-012019-12-012019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value-0.01-0.025.020.080.040.120.040.02-0.010.07
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare


None
Period End2020-03-012019-12-012019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value-0.01-0.024.990.080.040.120.040.02-0.010.07
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


None
Period End2020-05-312019-06-02
Value41000.0-97000.0
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


None
Period End2020-05-312019-06-02
Value5.4171
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable


None
Period End2020-05-312019-06-02
Value8.40549
Percentage of IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable100.0100.0

us-gaap:IncreaseDecreaseInOperatingCapital

us-gaap:IncreaseDecreaseInOperatingCapital


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272017-11-262017-08-272017-05-282016-11-272016-08-282016-05-292015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272011-11-272011-08-282011-05-292010-11-28
Value-2498000.0-216000.06238000.0470000.0-1124000.0-2800000.04354000.0-2700000.05116000.0-65000.01194000.02916000.0-4168000.0972000.0-1719000.01196000.0-1355000.0-2473000.0392000.0-3531000.02991000.0208000.0-510000.03130000.04153000.0-576000.04987000.0-964000.0-6976000.0
Percentage of IncreaseDecreaseInOperatingCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndOtherIncome

us-gaap:InterestAndOtherIncome


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-282010-08-29
Value656000.0802000.0863000.0948000.0393000.0357000.0340000.0441000.0734000.0751000.0749000.0527000.0430000.0369000.0378000.0340000.0227000.0317000.0265000.0222000.0226000.0147000.0139000.077000.064000.0143000.0179000.0198000.0-1395000.0188000.01794000.0221000.0228000.0123000.0218000.0
Percentage of InterestAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInContinuingOperations

us-gaap:NetCashProvidedByUsedInContinuingOperations


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-26
Value3010000.0-18191000.0-24819000.0-20913000.0-6334000.03683000.0-2971000.0-21391000.0-439000.0
Percentage of NetCashProvidedByUsedInContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInDiscontinuedOperations

us-gaap:NetCashProvidedByUsedInDiscontinuedOperations


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-26
Value-0.015-0.360.083-0.1273.7510.4921.338.0180.924
Percentage of NetCashProvidedByUsedInDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-29
Value-3682000.0-2015000.0-1756000.0-1978000.0-1991000.0-1448000.0-1976000.0-121930000.0-3024000.0-2991000.0-2767000.0-2773000.0-2773000.0-2774000.0-2773000.01009000.0-4525000.0
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-29
Value1.951-19.8-19.357-21.71-7.9311.9020.5971100.307-13.267-54.909-3.6513.847-1.1993.48113-13.354
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-29
Value4.7413.624-3.7062.7753.5883.229-1.592-9.6961.93-1.0482.552.5011.8490.4028.4157.1624.805
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282015-11-29
Value204000.0-210000.0193000.0346000.019000.0126000.0-35000.054000.0-847000.088000.0-190000.0-31000.0-190000.011000.0-85000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax us-gaap:StatementScenario

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

pke:GainsOnMarketableSecurities


None
Period End2020-05-312019-12-012019-06-022018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012012-11-25
Value17000.01000.08000.0-96000.017000.027000.069000.068000.0105000.0-93000.0148000.01000.011000.03000.03000.08000.0008000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-27
Value204000.0-210000.0193000.0346000.011000.0108000.0-16000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:StatementScenario

pke:GainsOnMarketableSecurities


None
Period End2020-05-312019-12-012019-09-012019-06-022017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-25
Value288000.024000.0193000.0344000.0021000.03000.065000.03000.011000.080000.0-47000.070000.014000.0103000.084000.0-10000.032000.0176000.04000.030000.039000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax141.2-11.4100.099.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pke:LossesOnMarketableSecurities


None
Period End2020-05-312019-12-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012012-11-252012-08-26
Value-67000.0-248000.0-3000.0-19000.0-1000.0-17000.0-1267000.0-805000.00-117000.0-50000.0-292000.0-45000.0-13000.0179000.0-264000.0-128000.0-31000.0-7000.0-12000.0-3000.029000.0-75000.0-49000.0-9000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax-32.8118.1-0.9-172.7-0.9106.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PaymentsForRestructuring us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:PaymentsForRestructuring

pke:FacilityLeaseCosts, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-26
Value244000.0338000.0205000.0205000.0933000.0273000.0181000.0-273000.0-511000.0-342000.0
Percentage of PaymentsForRestructuring100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRestructuring, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-05-28
Value7000.0-4000.055000.020000.0180000.043000.066000.0-52000.0-595000.0-531000.0-121000.0
Percentage of PaymentsForRestructuring2.9-1.226.89.819.315.836.519.0116.4155.30.0

us-gaap:PaymentsForRestructuring us-gaap:RestructuringPlan

pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-05-28
Value251000.0643000.0275000.0225000.01113000.0316000.0247000.0-325000.0-2187000.0-1903000.0-512000.0
Percentage of PaymentsForRestructuring102.9190.2134.1109.8119.3115.8136.5119.0428.0556.40.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302014-08-312014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value15303634114.9272.4842.0812066752817111613438.465400.001383727123474.9954073543065214748
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292013-06-022012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-05-292011-02-272010-11-28
Value191217144.1586.9893.09111220532024219.9041946253872381448694760
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:RestructuringCharges

pke:FacilityLeaseCosts, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-02-252017-11-262017-05-28
Value13000.075000.012000.013000.081000.018000.051000.02749000.0-4000.02753000.0
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRestructuring, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-05-28
Value7000.0-4000.055000.020000.0180000.043000.066000.052000.0599000.0410000.067000.0
Percentage of RestructuringCharges53.8-5.3458.3153.8222.2238.9129.40.021.8-10250.02.4

us-gaap:RestructuringCharges us-gaap:RestructuringPlan

pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value20000.0380000.082000.033000.0261000.061000.0117000.052000.04429000.0360000.02813000.01250000.0
Percentage of RestructuringCharges153.8506.7683.3253.8322.2338.9229.40.0161.1-9000.00.045.4

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:Range, us-gaap:TitleOfIndividual, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

srt:Maximum, pke:DirectorsAndCertainOfEmployees, pke:The2018StockOptionPlan


None
Period End2020-05-312019-12-012019-09-012019-06-02
Value0.272000.315
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.00.00.0100.0

srt:Minimum, pke:DirectorsAndCertainOfEmployees, pke:The2018StockOptionPlan


None
Period End2020-05-312019-12-012019-09-012019-06-02
Value0.269000.304
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate98.90.00.096.5

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:Range, us-gaap:TitleOfIndividual, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

srt:Maximum, pke:DirectorsAndCertainOfEmployees, pke:The2018StockOptionPlan


None
Period End2020-05-312019-12-012019-09-012019-06-02
Value0.0042000.0226
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.00.00.0100.0

srt:Minimum, pke:DirectorsAndCertainOfEmployees, pke:The2018StockOptionPlan


None
Period End2020-05-312019-12-012019-09-012019-06-02
Value0.0023000.0224
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate54.80.00.099.1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-27
Value129100.000114450.0002650.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross100.00.00.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross us-gaap:TitleOfIndividual, us-gaap:PlanName

pke:DirectorsAndCertainOfEmployees, pke:The2018StockOptionPlan


None
Period End2020-05-312019-12-012019-09-012019-06-02
Value129100.000114450.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross100.00.00.0100.0

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodShares


None
Period End2020-05-312019-09-012019-06-022018-11-252018-08-262018-05-272017-11-262017-08-272017-05-282016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312014-11-302012-11-25
Value137400.000000000000155000.00444830.0444830.08000.04000.0
Percentage of StockRepurchasedDuringPeriodShares100.00.00.00.00.00.00.00.00.00.00.00.0100.00.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStock


None
Period End2020-05-31
Value137400.0
Percentage of TreasuryStockSharesAcquired100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStock


None
Period End2020-05-31
Value1.644
Percentage of TreasuryStockValueAcquiredCostMethod100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


None
Period End2020-05-312019-12-012019-09-012019-06-022018-11-252018-08-262018-05-272017-11-262017-08-272017-05-282015-08-302015-05-312014-11-302014-08-312014-08-302014-06-012013-12-012013-09-012013-06-022012-11-252012-08-262012-05-272011-11-272011-08-28
Value58000.099000.0102000.094000.074000.0129.054000.024000.014000.09000.03000.019000.042000.0104000.0104000.0108000.060000.016000.016000.02000.019000.053000.02000.035000.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pke:AociDebtSecuritiesAvailableforsaleAdjustmentAfterTax

pke:AociDebtSecuritiesAvailableforsaleAdjustmentAfterTax


None
Period End2020-03-012019-03-03
Value690000.01157000.0
Percentage of AociDebtSecuritiesAvailableforsaleAdjustmentAfterTax100.0100.0

pke:CashAndMarketableSecurities us-gaap:FairValueByAssetClass

pke:CashAndMarketableSecurities

pke:CompanysWhollyOwnedForeignSubsidiaries


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-28
Value29126108237231
Percentage of CashAndMarketableSecurities100.0100.0100.0100.0100.0

pke:StockRepurchaseProgramPercentageOfOutstandingSharesAuthorizedToBeRepurchased us-gaap:SubsequentEventType

pke:StockRepurchaseProgramPercentageOfOutstandingSharesAuthorizedToBeRepurchased

us-gaap:SubsequentEvent


None
Period End2020-06-032020-05-102020-01-102019-10-042019-07-032019-05-102019-01-032018-06-272017-05-05
Value0.0680.0750.0750.0750.0750.0750.0760.0760.076
Percentage of StockRepurchaseProgramPercentageOfOutstandingSharesAuthorizedToBeRepurchased100.0100.0100.0100.0100.0100.0100.0100.0100.0

pke:StockoldersEquityIncludingTreasuryStock

pke:StockoldersEquityIncludingTreasuryStock


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-03-02
Value151150170170169168154152151150194196197197197197197195192190187184212200
Percentage of StockoldersEquityIncludingTreasuryStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedEmployeeBenefitsCurrent


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value1000.06000.093000.0147000.0279000.0262000.0274000.0297000.0474000.0
Percentage of AccruedEmployeeBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedIncomeTaxesNoncurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-25
Value15151515171718181820
Percentage of AccruedIncomeTaxesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value467000.0451000.0597000.0578000.0762000.0671000.01116000.01002000.01498000.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedSalariesCurrent

us-gaap:AccruedSalariesCurrent


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value578000.0823000.01263000.01361000.02078000.02117000.01910000.02210000.02698000.0
Percentage of AccruedSalariesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value668000.0-22000.0-1179000.0-334000.0141000.0200000.0138000.0-34000.024000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-022013-12-012013-09-012013-03-032012-02-262011-02-27
Value77000.073000.044000.040000.036000.032000.032000.032000.0257000.0259.0258000.0285000.0290000.0294000.0361000.0326000.0324000.0324000.0365000.0400000.0400000.0396000.0400000.0409000.0443000.0416000.0421000.0425000.0423000.0598000.0599000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value1163000.0846000.0499000.0705000.0424000.051000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:DomesticCorporateDebtSecurities


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value118000.082000.059000.048000.038000.07000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax10.19.711.86.89.013.7

us-gaap:USTreasuryAndGovernment


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value1045000.0764000.0440000.0657000.0386000.044000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax89.990.388.293.291.086.3

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


None
Period End2020-05-312019-12-012019-09-012019-06-022019-03-03
Value59000.0111000.050000.014000.085000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:DomesticCorporateDebtSecurities


None
Period End2020-05-312019-12-012019-09-012019-06-022019-03-03
Value59000.023000.016000.01000.032000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.020.732.07.137.6

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value11111613711910080
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

us-gaap:DomesticCorporateDebtSecurities


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value181527231111
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis16.613.320.419.311.914.8

us-gaap:USTreasuryAndGovernment


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value93100109968868
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis83.486.779.680.788.185.2

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value11211613712010180
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value11211613712010180
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel1, us-gaap:DomesticCorporateDebtSecurities


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value181527231111
Percentage of AvailableForSaleSecuritiesDebtSecurities16.513.320.419.211.814.8

us-gaap:FairValueInputsLevel1, us-gaap:USTreasuryAndGovernment


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value94101109978968
Percentage of AvailableForSaleSecuritiesDebtSecurities83.586.779.680.888.285.2

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

us-gaap:DomesticCorporateDebtSecurities


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value181527231111
Percentage of AvailableForSaleSecuritiesDebtSecurities16.513.320.419.211.814.8

us-gaap:USTreasuryAndGovernment


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-03
Value94101109978968
Percentage of AvailableForSaleSecuritiesDebtSecurities83.586.779.680.888.285.2

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


None
Period End2020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-02-262016-02-28
Value5.416.6825497116201618303010297
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance


None
Period End2020-03-012019-03-03
Value692100.01340700.0
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:PlanName

pke:The2018StockOptionPlan


None
Period End2020-03-01
Value692100.0
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value2.4441.8551.8554.59485065660.8121.062
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value4.8274.6244.62415171822201920
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value2.6082.7092.7091011101412119.753
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value478000.0574000.0574000.0671000.0282000.0578000.0531000.0665000.0369000.02220000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value621000.0135000.0135000.0360000.0677000.01363000.01811000.01695000.01343000.02019000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-03
Value1120000.01206000.01206000.01269000.01865000.01925000.01899000.01693000.0953000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-03
Value699000.0154000.0154000.0771000.0781000.01281000.01257000.01616000.0741000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value1743000.01368000.01368000.0619000.0572000.0526000.0446000.0867000.0468000.0741000.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings


None
Period End2020-03-032019-03-032019-02-252018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value0.0020.3330.3333.2474863630.3440.321
Percentage of DeferredTaxLiabilitiesUndistributedForeignEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-02
Value994000.0806000.0739000.0428000.0923000.0479000.0937000.01159000.02931000.02173000.02579000.01533000.02796000.02585000.03048000.02455000.02792000.02172000.03445000.03301000.04028000.03605000.03637000.03916000.04421000.03223000.0
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-02
Value5481000.05319000.02764000.03486000.04025000.04556000.03407000.02570000.06940000.06826000.06157000.07305000.05508000.05842000.06822000.06844000.06607000.05462000.06446000.07468000.07187000.07376000.07434000.08011000.06983000.07253000.0
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-11-292015-08-302015-05-312015-03-012014-11-302014-08-312014-06-012014-03-02
Value205000.0254000.0433000.0712000.0292000.0232000.0233000.0265000.02642000.02005000.02424000.02714000.02264000.02329000.02341000.02169000.02269000.02215000.02343000.02895000.02923000.03114000.02788000.02955000.03433000.03097000.0
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive us-gaap:LeaseContractualTerm

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

pke:LeasesWithRenewalOptions


None
Period End2020-03-01
Value161000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths us-gaap:BalanceSheetLocation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

pke:AccruedLiabilitiesCurrent


None
Period End2020-03-01
Value334000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths us-gaap:LeaseContractualTerm

pke:LeasesWithRenewalOptions


None
Period End2020-03-01
Value152000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths45.5

pke:LeasesWithoutRenewalOptions


None
Period End2020-03-01
Value152000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths45.5

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour us-gaap:LeaseContractualTerm

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

pke:LeasesWithRenewalOptions


None
Period End2020-03-01
Value61000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0

pke:LeasesWithoutRenewalOptions


None
Period End2020-03-01
Value61000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree us-gaap:LeaseContractualTerm

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

pke:LeasesWithRenewalOptions


None
Period End2020-03-01
Value61000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0

pke:LeasesWithoutRenewalOptions


None
Period End2020-03-01
Value61000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo us-gaap:LeaseContractualTerm

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

pke:LeasesWithRenewalOptions


None
Period End2020-03-01
Value90000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0

pke:LeasesWithoutRenewalOptions


None
Period End2020-03-01
Value90000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear us-gaap:BalanceSheetLocation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:AccountsPayableAndAccruedLiabilities


None
Period End2020-05-31
Value136000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear us-gaap:LeaseContractualTerm

pke:LeasesWithRenewalOptions


None
Period End2020-05-31
Value114000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear83.8

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-262016-11-272016-08-282016-05-292016-02-282015-03-012014-06-012014-03-022013-12-012013-09-012013-06-022013-03-032012-11-252012-08-262012-05-272012-02-262011-11-272011-08-282011-02-27
Value11211613712010180958789892012021901361321361351391301421371621749089120141139139124107138
Percentage of MarketableSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


None
Period End2020-05-312020-03-01
Value387000.0420000.0
Percentage of OperatingLeaseLiability100.0100.0

us-gaap:OperatingLeaseLiability us-gaap:LeaseContractualTerm

pke:LeasesWithRenewalOptions


None
Period End2020-05-312020-03-01
Value387000.0420000.0
Percentage of OperatingLeaseLiability100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:ForeignCountry


None
Period End2020-03-012019-03-032018-02-25
Value7.7987.8627.862
Percentage of OperatingLossCarryforwards100.0100.0100.0

us-gaap:StateAndLocalJurisdiction


None
Period End2020-03-012019-03-032018-02-25
Value2.5153.1615.909
Percentage of OperatingLossCarryforwards32.340.275.2

us-gaap:PreferredStockValue

us-gaap:PreferredStockValue


None
Period End2020-05-312020-03-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252015-03-012014-03-022013-03-03
Value2096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.02096000.0000
Percentage of PreferredStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:RestructuringAndRelatedCostCostIncurredToDate1 us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:RestructuringAndRelatedCostCostIncurredToDate1

pke:EquipmentRemoval, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-01
Value586000.0586000.0324000.015000.0
Percentage of RestructuringAndRelatedCostCostIncurredToDate1100.0100.0100.0100.0

pke:FacilityLeaseCosts, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-27
Value2942000.02929000.02941000.02854000.02842000.02830000.02818000.02800000.02749000.02749000.02749000.02753000.0
Percentage of RestructuringAndRelatedCostCostIncurredToDate1502.0499.8907.719026.70.00.00.00.00.00.00.00.0

us-gaap:EmployeeSeverance, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value1081000.01081000.01081000.01081000.01081000.01081000.01081000.01081000.01081000.01081000.01076000.01122000.01183000.0
Percentage of RestructuringAndRelatedCostCostIncurredToDate1184.5184.5333.67206.70.00.00.00.00.00.00.00.00.0

us-gaap:OtherRestructuring, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value934000.0927000.0839000.0855000.0799000.0779000.0760000.0717000.0651000.0599000.0598000.0188000.067000.0
Percentage of RestructuringAndRelatedCostCostIncurredToDate1159.4158.2259.05700.00.00.00.00.00.00.00.00.00.0

us-gaap:RestructuringAndRelatedCostCostIncurredToDate1 us-gaap:RestructuringPlan

pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value5543000.05523000.05185000.04805000.04722000.04690000.04659000.04598000.04481000.04429000.04423000.04063000.01250000.0
Percentage of RestructuringAndRelatedCostCostIncurredToDate1945.9942.51600.332033.30.00.00.00.00.00.00.00.00.0

us-gaap:RestructuringAndRelatedCostExpectedCost1 us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:RestructuringAndRelatedCostExpectedCost1

pke:EquipmentRemoval, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value586000.0586000.0615000.0700000.0700000.0700000.0700000.0700000.0700000.0700000.0700000.0700000.0700000.0
Percentage of RestructuringAndRelatedCostExpectedCost1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pke:FacilityLeaseCosts, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value3000000.03000000.02941000.02854000.02842000.02830000.02818000.02800000.02749000.02749000.02749000.02753000.02739000.0
Percentage of RestructuringAndRelatedCostExpectedCost1511.9511.9478.2407.7406.0404.3402.6400.0392.7392.7392.7393.3391.3

us-gaap:EmployeeSeverance, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value1081000.01081000.01081000.01081000.01081000.01081000.01081000.01081000.01081000.01081000.01076000.01122000.01183000.0
Percentage of RestructuringAndRelatedCostExpectedCost1184.5184.5175.8154.4154.4154.4154.4154.4154.4154.4153.7160.3169.0

us-gaap:OtherRestructuring, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value950000.0950000.0863000.0865000.0877000.0889000.0901000.0919000.0970000.0970000.0975000.0925000.0878000.0
Percentage of RestructuringAndRelatedCostExpectedCost1162.1162.1140.3123.6125.3127.0128.7131.3138.6138.6139.3132.1125.4

us-gaap:RestructuringAndRelatedCostExpectedCost1 us-gaap:RestructuringPlan

pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value5617000.05617000.05500000.05500000.05500000.05500000.05500000.05500000.05500000.05500000.05500000.05500000.05500000.0
Percentage of RestructuringAndRelatedCostExpectedCost1958.5958.5894.3785.7785.7785.7785.7785.7785.7785.7785.7785.7785.7

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


None
Period End2020-03-012019-03-03
Value432000.01324000.0
Percentage of RestructuringReserve100.0100.0

us-gaap:RestructuringReserve us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

pke:FacilityLeaseCosts, pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-28
Value201000.0432000.0676000.0939000.01132000.01324000.01580000.01835000.01965000.02238000.02407000.02753000.02753000.0
Percentage of RestructuringReserve0.0100.00.00.00.0100.00.00.00.00.00.00.00.0

us-gaap:RestructuringReserve us-gaap:RestructuringPlan

pke:ConsolidationOfNelcoProductsIncAndNeltecInc


None
Period End2020-05-312020-03-012019-12-012019-09-012019-06-022019-03-032018-11-252018-08-262018-05-272018-02-252017-11-262017-08-272017-05-282017-02-26
Value201000.0432000.0676000.0939000.01132000.01324000.01580000.01835000.01965000.02175000.02453000.04063000.01183000.01250000.0
Percentage of RestructuringReserve0.0100.00.00.00.0100.00.00.00.00.00.00.00.00.0

us-gaap:RestructuringReserveCurrent

us-gaap:RestructuringReserveCurrent


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value432000.01324000.02326000.016000.064000.0182000.0198000.0304000.01685000.0
Percentage of RestructuringReserveCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


None
Period End2020-03-012019-12-012019-03-032012-11-252012-08-262012-02-26
Value746000.01467000.01525000.0486000.01566000.04338000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-03
Value109980.025600.0196240.0308310.0504870.0271990.0416790.0363710.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-03
Value3.963.56.096.096.098.278.418.07
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:TaxCreditCarryforwardAmount

us-gaap:StateAndLocalJurisdiction, pke:ArizonaDepartmentOfRevenue


None
Period End2020-03-012019-03-03
Value576000.0135000.0
Percentage of TaxCreditCarryforwardAmount100.0100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:TaxCreditCarryforward

us-gaap:Research


None
Period End2020-03-012019-03-032018-02-25
Value45000.00142000.0
Percentage of TaxCreditCarryforwardAmount7.80.00.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-262011-02-27
Value446320.0479190.0723570.0730470.0730470.0130640.04074.04066.0158.0158.0
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value193000.079000.041000.016000.051000.070000.098000.095000.0137000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:AllowanceForCreditLoss


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-01
Value0.0730.0320.2590.2940.3240.396
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowanceOfDeferredTaxAssets


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-262011-02-272010-02-28
Value3.1752.75510101111111246511661108779814
Percentage of ValuationAllowancesAndReservesBalance4349.38609.44093.43595.63430.63001.80.00.00.00.00.0

us-gaap:WorkersCompensationLiabilityCurrent

us-gaap:WorkersCompensationLiabilityCurrent


None
Period End2020-03-012019-03-032018-02-252017-02-262016-02-282015-03-012014-03-022013-03-032012-02-26
Value111000.0122000.0210000.0154000.0241000.0300000.0354000.0687000.0969000.0
Percentage of WorkersCompensationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:SharesOutstanding
us-gaap:StatementEquityComponents
(None,)
None
TTM Greenblatt ROC
_
(None,)
None
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:StatementGeographical
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:NoncurrentAssets
us-gaap:StatementGeographical
(None,)
None
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None