Note 6 - Accumulated Other Comprehensive Income (Details) (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
Feb. 28, 2016	Mar. 01, 2015
Currency translation adjustment, tax	$ 76	$ 108

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