Note 6 - Shareholders' Equity - Accumulated Other Comprehensive Income (Details) (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
Feb. 25, 2018	Feb. 26, 2017
Currency translation adjustment, tax	$ (635)	$ (180)

Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) that results from the process of translating subsidiary financial statements and foreign equity investments.

No definition available.

Name:	pke_AccumulatedOtherComprehensiveIncomeLossForeigCurrencyTranslationAdjustmentTax
Namespace Prefix:	pke_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration