Document And Entity Information
Statistical Measurement [Axis]
Marketable Securities, Policy [Policy Text Block]
Note To Financial Statement Details Textual
srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Share Repurchase Program, Authorized, Number of Shares (in shares)
Income tax provision (Note 4)
Income Tax Expense (Benefit)
Significant Accounting Policies
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Note 1 - Summary of Significant Accounting Policies
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Note 2 - Marketable Securities
Trading Arrangements, by Individual [Table]
Note 3 - Other Consolidated Balance Sheet Data
Material Terms of Trading Arrangement [Text Block]
Note 4 - Income Taxes
Insider Trading Policies and Procedures Adopted [Flag]
Insider Trading Policies and Procedures Adopted [Flag]
Note 5 - Stock-based Compensation
Financial Instrument [Axis]
Note 6 - Shareholders' Equity
Investment in Debt and Equity Securities and Other Trading Assets [Text Block]
Note 7 - Earnings Per Share
Note 9 - Leases and Commitments
Minimum [Member]
Gross unrealized losses
Note 11 - Geographic Regions
Gross unrealized gains
Schedule II - Valuation and Qualifying Accounts
Statistical Measurement [Domain]
Goodwill
Insider Trading Policies and Procedures [Line Items]
Note 1 - Summary of Significant Accounting Policies - Supplemental Cash Flow information (Details)
Maximum [Member]
Note 2 - Marketable Securities - Summary of Available-for-sale Securities (Details)
Foreign
Note 2 - Marketable Securities - Summary of Unrealized Gains and Losses on Available-for-sale Securities (Details)
Note 2 - Marketable Securities - Summary of Realized Gains (Losses) on Available-for-Sale Securities (Details)
United States
Note 2 - Marketable Securities - Estimated Fair Value of Securities by Contractual Maturity (Details)
Note 3 - Other Consolidated Balance Sheet Data - Other Consolidated Balance Sheet Data (Details)
Note 4 - Income Taxes - Provision for Income Taxes (Details)
Note 4 - Income Taxes - Components of Earnings Before Income Taxes (Details)
Note 4 - Income Taxes - Effective Income Tax Reconciliation (Details)
Note 4 - Income Taxes - Components of Deferred Tax Liabilities and Assets (Details)
Note 4 - Income Taxes - Schedule of Income Taxes Paid (Details)
Note 4 - Income Taxes - Unrecognized Tax Benefits (Details)
Note 4 - Income Taxes - Open Tax Years by Major Jurisdiction (Details)
Note 5 - Stock-based Compensation - Fair Value Assumptions (Details)
Note 5 - Stock-based Compensation - Option Activity (Details)
Note 5 - Stock-based Compensation - Non-vested Options (Details)
Note 6 - Shareholders' Equity - Accumulated Other Comprehensive Income (Details)
Note 6 - Shareholders' Equity - Accumulated Other Comprehensive Income (Details) (Parentheticals)
Note 7 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details)
Note 9 - Leases and Commitments- Future Minimum Lease Payments (Details)
Note 9 - Leases and Commitments - Schedule of Right-of-use Assets and Operating Lease Liabilities (Details)
Counterparty Name [Axis]
Note 11 - Geographic Regions - Financial Information by Geographic Region (Details)
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Total, percent
Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details)
Statutory U.S. Federal tax rate, percent
Notes To Financial Statements
Foreign tax rate differentials, percent
Foreign tax rate differentials, percent
Notes To Financial Statements [Abstract]
Granted, weighted average exercise price (in dollars per share)
Exercised, weighted average exercise price (in dollars per share)
Income Tax Jurisdiction [Domain]
Interest and other income
Nontaxable or nondeductible items, percent
Loss on sale of marketable securities
Cash dividends
Cash dividends
Financial Instruments [Domain]
us-gaap_CommonStockDividendsPerShareDeclared
Common Stock, Dividends, Per Share, Declared (in dollars per share)
State and local taxes, net of Federal benefit, percent
Change in unrecognized tax benefits
us-gaap_IncreaseDecreaseInInventories
Inventories
Counterparty Name [Domain]
Other adjustments, percent
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsForeign
Foreign tax credits, percent
Foreign tax credits
us-gaap_ContractualObligationDueInSecondYear
Contractual Obligation, to be Paid, Year Two
us-gaap_ContractualObligationDueInThirdYear
Contractual Obligation, to be Paid, Year Three
Change in uncertain tax positions, percent
Dividends [Axis]
pke_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerShareOfOptionGrants
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Fair Value Per Share of Option Grants
The weighted average fair value per share of option grants assumption that is used in valuing an option on its own shares.
Dividends [Domain]
us-gaap_ContractualObligation
Contractual Obligation
Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain]
us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
Tax credits - research & development, percent
Adjustments to reconcile net earnings to net cash provided by operating activities:
Award Type [Axis]
Preferred stock, $1 par value per shares-authorized, 500,000 shares; issued, none
us-gaap_Liabilities
Total liabilities
Plan Name [Axis]
Plan Name [Domain]
Defined Benefit Plan [Table]
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and shareholders' equity
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other current assets
General Electric [Member]
Represents information about General Electric.
Selling, general and administrative expenses
us-gaap_ShareBasedCompensation
Stock-based compensation
Lessee, Lease, Description [Table]
Share-Based Payment Arrangement [Text Block]
Lease Contractual Term [Axis]
Lease Contractual Term [Domain]
North America [Member]
Accounts payable
us-gaap_PreferredStockSharesIssued
Preferred Stock, Shares Issued (in shares)
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-Lived Intangible Asset, Useful Life (Year)
Europe [Member]
Asia [Member]
us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Authorized (in shares)
us-gaap_PreferredStockParOrStatedValuePerShare
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Accrued liabilities
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Increase in cash and cash equivalents
us-gaap_CommonStockDividendsPerShareCashPaid
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)
Geographic Regions [Text Block]
The entire disclosure for geographic regions.
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and cash equivalents, beginning of year
Cash and cash equivalents, end of year
Antidilutive Securities, Name [Domain]
Statement [Table]
pke_StockoldersEquityIncludingTreasuryStock
Stockholders' Equity, Including Treasury Stock
Total of all stockholders' equity (deficit), including treasury stock.
California Franchise Tax Board [Member]
us-gaap_OperatingLeasePayments
Operating Lease, Payments
Inland Revenue, Singapore (IRAS) [Member]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
Goodwill and other intangible assets, net (Note 3)
New York State Division of Taxation and Finance [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost
Share-Based Payment Arrangement, Plan Modification, Incremental Cost
Consolidated Entities [Axis]
us-gaap_PropertyPlantAndEquipmentUsefulLife
Property, Plant, and Equipment, Useful Life
Consolidated Entities [Domain]
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table Text Block]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Thereafter
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total undiscounted operating lease payments
us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables
Accounts receivable
Ministry of the Economy, Finance and Industry, France [Member]
us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent
Operating Lease, Weighted Average Discount Rate, Percent
Granted, weighted average grant date fair value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
2027
2031
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
pke_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExpectedToVestOutstandingNumber
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expected to Vest, Outstanding, Number (in shares)
As of the balance sheet date, the number of shares into which expected to vest stock options outstanding can be converted under the option plan.
us-gaap_OperatingLeaseExpense
Operating Lease, Expense
pke_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExpectedToVestOutstandingWeightedAverageExercisePrice
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expected to Vest, Outstanding, Weighted Average Exercise Price (in dollars per share)
As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are expected to vest.
Vested and exercisable (in shares)
Vested and exercisable, weighted average exercise price (in dollars per share)
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Outstanding options (in shares)
Outstanding options (in shares)
2029
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Balance, weighted average exercise price (in dollars per share)
Balance, weighted average exercise price (in dollars per share)
2028
Commitments and Contingencies Disclosure [Text Block]
Statement [Line Items]
Fair Value Hierarchy and NAV [Axis]
Balance, March 3, 2024
2030
us-gaap_CommonStockSharesIssued
Common Stock, Shares, Issued (in shares)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Award Type [Domain]
us-gaap_CommonStockSharesOutstanding
Common Stock, Shares, Outstanding
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
us-gaap_CommonStockSharesAuthorized
Common Stock, Shares Authorized (in shares)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Gains on Marketable Securities [Member]
Gains on marketable securities.
Losses on Marketable Securities [Member]
Represents losses on marketable securities.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
us-gaap_DividendsPayableCurrentAndNoncurrent
Dividends Payable
Common stock, $0.10 par value per shares-authorized, 60,000,000 shares; issued, 20,965,144 shares
pke_PolicyTable
Proceeds from issuance of stock, net of issuance costs
Proceeds from Issuance of Common Stock
us-gaap_AccountsPayableCurrent
Accounts payable
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
us-gaap_TableTextBlock
Notes Tables
Property Taxes
us-gaap_ComprehensiveIncomeNetOfTax
Total comprehensive earnings
Proceeds from sales and maturities of marketable securities
Payroll and payroll related
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Professional fees
Concentration Risk [Table]
Accrued liabilities (Note 3)
Accrued Liabilities, Current
Concentration Risk Type [Axis]
pke_StormDamageCharges
Storm damage charge
Charges related to storm damages during the period.
Concentration Risk Disclosure [Text Block]
S2023FYDividends [Member]
Represents the special dividends for Q1 in 2023
Significant Accounting Policies [Text Block]
pke_NoncashStormDamageCharge
Non-cash storm damage charge
The non-cash charge related to storm damage.
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less imputed interest
Long-term operating lease liabilities (Note 9)
Long-term operating lease liabilities
Balance, weighted average remaining contractual term (Year)
Other
Present value of operating lease payments
Total operating lease liabilities
Operating lease liabilities (Note 9)
Operating lease liabilities
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term (Year)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term
Vested and exercisable, weighted average remaining contractual term (Year)
Workers' compensation
Concentration Risk Type [Domain]
Amortized cost basis
Income Tax Jurisdiction, Domestic Federal [Member]
us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Proceeds from sales of property, plant and equipment
Income Tax Jurisdiction, Domestic State and Local [Member]
Other comprehensive earnings, net of tax:
Statement of Stockholders' Equity [Abstract]
Loss Contingencies [Table]
Statement of Comprehensive Income [Abstract]
Statement of Cash Flows [Abstract]
Due in one year or less
us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Other comprehensive earnings (loss)
Shareholders' equity (Note 6):
Equity Components [Axis]
us-gaap_PaymentsOfStockIssuanceCosts
Payments of Stock Issuance Costs
pke_OperatingLeaseExpenseIncludingRealEstateTaxesAndOtherCosts
Operating Lease, Expense, Including Real Estate Taxes and Other Costs
Amount of operating lease expense including real estate taxes and other costs.
Share-Based Payment Arrangement [Policy Text Block]
us-gaap_ProceedsFromStockOptionsExercised
Proceeds from exercise of stock options
Equity Component [Domain]
Fair Value, Inputs, Level 2 [Member]
Leases with Renewal Options [Member]
Information related to the leases with renewal options.
Fair Value, Inputs, Level 3 [Member]
AOCI Attributable to Parent [Member]
Fair Value, Inputs, Level 1 [Member]
Equity [Text Block]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Cost of sales
Income Tax Jurisdiction, Foreign [Member]
Property, plant and equipment, net (Note 3)
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
NQSO expirations and cancellations
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to NQSO expirations and cancellations.
Property, plant, and equipment, gross
Compensation and Employee Benefit Plans [Text Block]
Unrecognized Tax Benefits, Decrease Resulting From Uncertain Tax Positions
Amount of decrease in unrecognized tax benefits resulting from uncertain tax positions.
Allowance for credit losses
Property, Plant, and Equipment [Policy Text Block]
Sale of Stock [Axis]
Stock-based compensation
Contract with Customer, Shipping and Handling Cost, Policy [Policy Text Block]
Disclosure of accounting policy for shipping and and handling cost under Topic 606.
Contract with Customer, Sales Allowances and Product Warranties [Policy Text Block]
Disclosure of accounting policy for sales allowances and product warranties under Topic 606.
Arizona Department of Revenue [Member]
Represents Arizona Department of Revenue.
Kansas Department of Revenue [Member]
Represents Kansas Department of Revenue.
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Deferred Profit Sharing [Member]
Deferred income taxes (Note 4)
Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis]
Summary of Income Tax Examinations [Table Text Block]
us-gaap_GainLossOnDispositionOfAssets
Gain on sale of fixed assets
Share-Based Payment Arrangement, Option [Member]
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Nonvested Share Activity [Table Text Block]
Current liabilities:
us-gaap_CurrentIncomeTaxExpenseBenefit
Current Income Tax Expense (Benefit)
us-gaap_LiabilitiesCurrent
Total current liabilities
us-gaap_CurrentFederalTaxExpenseBenefit
Federal
us-gaap_CurrentForeignTaxExpenseBenefit
Foreign
us-gaap_AccrualForEnvironmentalLossContingencies
Accrual for Environmental Loss Contingencies
us-gaap_CurrentStateAndLocalTaxExpenseBenefit
State and local
Accounts receivable, less allowance for credit losses of $111 and $125, respectively
us-gaap_TaxCreditCarryforwardAmount
Tax Credit Carryforward, Amount
Customer Concentration Risk [Member]
Marketable securities (Note 2)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Outstanding options, terminated or expired (in shares)
Revenue Benchmark [Member]
Lessee, Leases [Policy Text Block]
Less: accumulated depreciation and amortization
Accumulated other comprehensive loss
Accumulated balance
Terminated or expired, weighted average exercise price (in dollars per share)
Fiscal Period, Policy [Policy Text Block]
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Earnings from operations before income taxes
us-gaap_PaymentsToAcquireMarketableSecurities
Purchases of marketable securities
Additional paid-in capital
Prepaid expenses and other current assets
Use of Estimates, Policy [Policy Text Block]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Shares sold under At the Market Offering Program, net of issuance costs
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchases of property, plant and equipment
Lessee, Operating Leases [Text Block]
Current assets:
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Stock options exercised
us-gaap_AssetsCurrent
Total current assets
us-gaap_GrossProfit
Gross profit
Shares sold under At the Market Offering Program, net of issuance costs (in shares)
Stock Issued During Period, Shares, New Issues (in shares)
Stock options exercised (in shares)
Stock options exercised (in shares)
us-gaap_Depreciation
Depreciation
Repurchase of treasury shares (in shares)
us-gaap_TreasuryStockValue
Less treasury stock, at cost, 87,285 and 962,476 shares, respectively
Cash flows from operating activities:
Cash flows from investing activities:
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by (used in) operating activities
Raw materials
Cash flows from financing activities:
Work-in-process
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash provided by investing activities
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash provided by (used in) financing activities
Finished goods
us-gaap_LiabilityForUncertainTaxPositionsNoncurrent
Liability for Uncertainty in Income Taxes, Noncurrent
Addition to operating right-of-use asset from new operating lease liability
Amount of lessee's right to use underlying asset from new operating lease liability.
us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Impairment, Long-Lived Asset, Held-for-Use
Realized Gain (Loss) on Investments [Table Text Block]
us-gaap_GoodwillImpairmentLoss
Goodwill, Impairment Loss
Accounting Policies [Abstract]
Long-Lived Asset, Excluding Intangible Asset and Goodwill, Impairment and Disposal [Policy Text Block]
Unrealized losses on investments, net of taxes of $840 and $2,279, respectively
us-gaap_LongTermPurchaseCommitmentAmount
Long-Term Purchase Commitment, Amount
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table]
Accounting Standards Update and Change in Accounting Principle [Text Block]
Accounts receivable, allowance for doubtful accounts
Accounts Receivable, Allowance for Credit Loss, Current
US Treasury and Government [Member]
Long-lived assets
us-gaap_NoncurrentAssets
Accounts Receivable [Policy Text Block]
us-gaap_StockRepurchasedDuringPeriodValue
Stock Repurchased During Period, Value
us-gaap_StockRepurchasedDuringPeriodShares
Stock Repurchased During Period, Shares (in shares)
us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Foreign
Income Statement [Abstract]
us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Federal
us-gaap_UnrecognizedTaxBenefits
Balance, beginning of year
Balance, end of year
us-gaap_DeferredIncomeTaxLiabilities
Total deferred tax liabilities
Provision for deferred income taxes
Deferred Income Tax Expense (Benefit)
Gross increases - current period tax positions
us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Share Repurchase Program, Remaining Authorized, Number of Shares (in shares)
us-gaap_TreasuryStockCommonShares
Treasury Stock, Common, Shares (in shares)
Balance (in shares)
Balance (in shares)
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
Treasury Stock, Common [Member]
us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
Gross decreases - tax positions in prior period
Net earnings
Net earnings
Net earnings
Net earnings
pke_StockRepurchaseProgramPercentageOfOutstandingSharesAuthorizedToBeRepurchased
Stock Repurchase Program, Percentage of Outstanding Shares Authorized to be Repurchased
The percent of outstanding stock authorized to be repurchased
Subpart F income, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in Subpart F.
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
State and local
Accumulated Other Comprehensive Income (Loss) [Table]
us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
us-gaap_DeferredTaxAssetsGross
Deferred Tax Assets, Gross
Income Tax Disclosure [Text Block]
us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Net operating loss carryforwards
Accounting Standards Update and Change in Accounting Principle [Table]
us-gaap_DeferredTaxAssetsNet
Total deferred tax assets, net of valuation allowance
Income Tax, Policy [Policy Text Block]
Foreign tax rate differentials
Statutory U.S. Federal tax rate
pke_ValuationAllowancesAndReservesTranslationAdjustment
52 weeks ended March 1, 2026
Amount of translation adjustment in valuation and qualifying accounts and reserves.
Tax credits carryforward
Supplemental disclosure of non-cash activities:
Other, net
pke_ValuationAllowancesAndReservesWriteoffNet
52 weeks ended March 1, 2026
Amount of write-off, net of recovery, in valuation and qualifying accounts and reserves.
Repurchase of treasury shares
Repurchase of treasury shares
Repurchase of treasury shares
Nontaxable or nondeductible items
Supplemental Balance Sheet Disclosures [Text Block]
Company’s Wholly Owned Foreign Subsidiaries [Member]
Represents the company's wholly owned foreign subsidiaries.
Change in uncertain tax positions
pke_SalesReturnsAndAllowanceAsPercentageOfSales
Sales Returns and Allowance as Percentage of Sales
Amount of returns and allowances resulting from defective or damaged products.
State and local taxes, net of Federal benefit
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
Machinery, Equipment, Furniture and Fixtures [Member]
Represents the machinery, equipment, furniture, and fixtures.
Stock options
Other adjustments
Schedule of Other Balance Sheet Data [Table Text Block]
Tabular disclosure the provides a schedule for net values on the company's balance sheet.
Treasury Stock Policy [Policy Text Block]
Disclosure of Treasury Stock policy.
Fair Value Hierarchy and NAV [Domain]
us-gaap_IncomeTaxReconciliationTaxCreditsForeign
Foreign tax credits
Adjustment on tax accruals
The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the difference between adjustments of tax accruals and reserves recorded during the period.
us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts
Additions Other
U.S. Federal
us-gaap_ValuationAllowancesAndReservesDeductions
Reductions
us-gaap_ValuationAllowancesAndReservesBalance
Balance at Beginning of Period
Balance at End of Period
Statement of Financial Position [Abstract]
us-gaap_DeferredTaxAssetsValuationAllowance
Deferred Tax Assets, Valuation Allowance
Valuation allowance on deferred tax assets
us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Additions Costs and Expenses
us-gaap_ContractualObligationDueInNextTwelveMonths
Contractual Obligation, to be Paid, Year One
us-gaap_IncomeTaxReconciliationTaxCreditsResearch
Tax credits - research & development
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Total income tax payments, net of refunds
Cash paid during the year for income taxes, net of refunds
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
us-gaap_DeferredTaxLiabilities
Net deferred tax liability
us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings
Deferred Tax Liabilities, Undistributed Foreign Earnings
Undistributed earnings
us-gaap_DeferredTaxLiabilitiesOther
Other
Subpart F income
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in Subpart F.
Other assets
Schedule of Income Taxes Paid [Table Text Block]
Represents the entire disclosure income taxes paid.
Aerojet Rocketdyne [Member]
Represents the Aerojet Rocketdyne.
us-gaap_PaymentsForRepurchaseOfCommonStock
Purchase of treasury stock
dei_DocumentType
Document Type
Document Information [Line Items]
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
dei_DocumentAnnualReport
Document Annual Report
us-gaap_LesseeOperatingLeaseRenewalTerm
Lessee, Operating Lease, Renewal Term (Year)
us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1
Operating Lease, Weighted Average Remaining Lease Term (Year)
Document Information [Table]
Other Department of Revenue [Member]
Represents the Other department of revenues.
pke_EquityIssuanceRemainingAmountAvailableToBeSold
Equity Issuance, Remaining Amount Available to be Sold
Amount of equity remaining to be sold.
us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Antidilutive Securities [Axis]
Diluted:
Net effect of dilutive options (in shares)
dei_EntityInteractiveDataCurrent
Entity Interactive Data Current
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)
dei_DocumentTransitionReport
Document Transition Report
Diluted weighted average shares (in shares)
Weighted average shares outstanding for diluted EPS (in shares)
dei_DocumentFinStmtErrorCorrectionFlag
Document Financial Statement Error Correction [Flag]
Basic:
pke_TreasuryStockCommonValueNewIssues
Shares sold under At the Market Offering Program, net of issuance costs
The value amount of newly issued common shares of treasury stock.
Basic weighted average shares (in shares)
pke_TreasuryStockCommonSharesNewIssues
Shares sold under At the Market Offering Program, net of issuance costs (in shares)
Number of newly issued common shares of treasury stock.
Basic earnings per share (in dollars per share)
us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherPercent
Deferred tax liability on undistributed foreign earnings, percent
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Effective Income Tax Rate Reconciliation [Table]
Kansas
Debt Securities, Available-for-Sale [Table Text Block]
United States Federal
Valuation Allowances and Reserves [Table Text Block]
Tabular disclosure of a schedule of allowance and reserve accounts where the valuation and qualifying accounts are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.
Income Tax Jurisdiction [Axis]
Amortization of bond premium
us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount
Deferred tax liability on undistributed foreign earnings
dei_IcfrAuditorAttestationFlag
ICFR Auditor Attestation Flag
Document Fiscal Period Focus
Customer [Domain]
Document Fiscal Year Focus
Investment, Name [Domain]
Amendment Flag
Common Stock [Member]
Gross realized losses on sale
dei_DocumentPeriodEndDate
Document Period End Date
Long-Lived Asset, Class [Domain]
Outstanding options, granted (in shares)
Granted (in shares)
Legal Entity [Axis]
dei_EntityFileNumber
Entity File Number
dei_EntityTaxIdentificationNumber
Entity Tax Identification Number
Land, Buildings and Improvements [Member]
Entity [Domain]
Entity Central Index Key
dei_EntityRegistrantName
Entity Registrant Name
dei_EntityWellKnownSeasonedIssuer
Entity Well-known Seasoned Issuer
dei_EntityCurrentReportingStatus
Entity Current Reporting Status
dei_EntityVoluntaryFilers
Entity Voluntary Filers
dei_EntityIncorporationStateCountryCode
Entity Incorporation, State or Country Code
Current Fiscal Year End Date
dei_EntityPublicFloat
Entity Public Float
Fair Value Measurement, Policy [Policy Text Block]
us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent
dei_EntityFilerCategory
Entity Filer Category
dei_EntityShellCompany
Entity Shell Company
dei_EntityEmergingGrowthCompany
Entity Emerging Growth Company
Schedule of Right-of-use Assets and Operating Lease Liabilities [Table Text Block]
Tabular disclosure of right-of-use assets and operating lease liabilities.
dei_EntitySmallBusiness
Entity Small Business
us-gaap_OperatingIncomeLoss
Earnings from operations
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Vested (in shares)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
Terminated or expired (in shares)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Non-vested, balance (in shares)
Non-vested, balance (in shares)
us-gaap_EffectiveIncomeTaxRateReconciliationFdiiPercent
Foreign derived intangible income, percent
dei_EntityAddressStateOrProvince
Entity Address, State or Province
dei_EntityAddressCityOrTown
Entity Address, City or Town
Marketable Securities [Table]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
Terminated or expired, weighted average grant date fair value (in dollars per share)
Accumulated deficit
dei_EntityAddressAddressLine1
Entity Address, Address Line One
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Non-vested, balance, weighted average grant date fair value (in dollars per share)
Non-vested, balance, weighted average grant date fair value (in dollars per share)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
Vested, weighted average grant date fair value (in dollars per share)
dei_CityAreaCode
City Area Code
The 2018 Stock Option Plan [Member]
Represents the information pertaining to 2018 Stock Option Plan.
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
dei_LocalPhoneNumber
Local Phone Number
dei_EntityAddressPostalZipCode
Entity Address, Postal Zip Code
us-gaap_EffectiveIncomeTaxRateReconciliationFdiiAmount
Foreign derived intangible income
Nelco Technology Zhuhai FTZ Ltd [Member]
Represents information related to the company Nelco Technology Zhuhai FTZ Ltd.
dei_Security12bTitle
Title of 12(b) Security
dei_SecurityExchangeName
Security Exchange Name
dei_TradingSymbol
Trading Symbol
Class of Stock [Axis]
Available-for-sale securities
Debt Securities, Available-for-Sale
Revenue [Policy Text Block]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
dei_EntityCommonStockSharesOutstanding
Entity Common Stock, Shares Outstanding (in shares)
Earnings Per Share [Text Block]
Unrealized loss on marketable securities, net of tax
Unrealized holding gains arising during the period
Income taxes payable
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Scenario [Axis]
Scenario [Domain]
Income taxes payable (Note 4)
pke_PercentageOfStockOptionsExercisableOneYearFromDateOfGrant
Percentage of Stock Options, Exercisable One Year From Date of Grant
Percentage of stock options exercisable one year from date of grant.
pke_PercentageOfStockOptionsExercisableOnEachSucceedingYearFromDateOfGrant
Percentage of Stock Options Exercisable On Each Succeeding Year from Date of Grant
Percentage of stock options exercisable on each succeeding year from the date of grant.
pke_MaximumAggregateOfferingPriceOfCommonShares
Maximum Aggregate Offering Price Of Common Shares
The value of maximum aggregate offering price of common shares.
At Market Offering Program [Member]
Represents the at market offering program.
Investments Classified by Contractual Maturity Date [Table Text Block]
Deferred tax liability on undistributed foreign earnings, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the undistributed foreign earnings.
Vested and exercisable, aggregate intrinsic value
us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer
Deferred Compensation Arrangement with Individual, Contributions by Employer
us-gaap_CommonStockParOrStatedValuePerShare
Common Stock, Par or Stated Value Per Share (in dollars per share)
Investment, Name [Axis]
pke_PercentageOfLegalDefenseAndRemediationCostsAssociatedWithSitesReimbursedByInsuranceCarriers
Percentage of Legal Defense and Remediation Costs Associated with Sites Reimbursed by Insurance Carriers
Percentage of legal defense and remediation costs associated with sites reimbursed by insurance carriers.
pke_NumberOfUnitsCoveredUnderGeneralLiabilityInsuranceCoverage
Number of Units Covered Under General Liability Insurance Coverage
Number of units covered under general liability insurance coverage.
ArianeGroup SAS [Member]
Represents ArianeGroup SAS.
pke_NumberOfInsuranceCarriers
Number of Insurance Carriers
Number of insurance carriers.
Long-Lived Asset, Class [Axis]
Sale of Stock [Domain]
us-gaap_Assets
Total assets
Less: reclassification adjustment for losses included in net earnings
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash and cash equivalents
Auditor Firm ID
dei_AuditorName
Auditor Name
Geographical [Domain]
dei_AuditorLocation
Auditor Location
Geographical [Axis]
us-gaap_CashCashEquivalentsAndShortTermInvestments
Cash, Cash Equivalents, and Short-Term Investments
us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Common Stock, Capital Shares Reserved for Future Issuance
Diluted earnings per share (in dollars per share)
Customer [Axis]
Depreciation and amortization
pke_IncreaseDecreaseInOtherAssetsAndLiabilitiesNet
Other assets and liabilities
Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.
Consolidation, Policy [Policy Text Block]
Inventories (Note 3)
Inventory, Net
us-gaap_StockholdersEquity
Total shareholders' equity
Balance
Balance
Award Timing MNPI Disclosure [Text Block]
us-gaap_PaymentsOfDividendsCommonStock
Dividends paid
ecd_AwardTmgMnpiCnsdrdFlag
Award Timing MNPI Considered [Flag]
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Stock, Class of Stock [Table]
Award Timing Disclosures [Line Items]
Concentration Risk Benchmark [Axis]
The 2022 Plan [Member]
Represents the 2022 Stock Option Plan
Concentration Risk Benchmark [Domain]
Operating right-of-use assets (Note 9)
Operating right-of-use assets
Other liabilities (Note 4)
us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Depreciation
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
Sales
Net sales
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Commitments and contingencies (Notes 9 and 10)
Inventory, Policy [Policy Text Block]