Name:	pke_Note11ContingenciesDetailsLineItems
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Number of insurance carriers.

No definition available.

Name:	pke_NumberOfInsuranceCarriers
Namespace Prefix:	pke_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of insurance carriers that have asserted counter claims to the lawsuit.

No definition available.

Name:	pke_NumberOfInsuranceCarriersThatHaveAssertedCounterClaimsToLawsuit
Namespace Prefix:	pke_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of insurance carriers that have filed answers to the lawsuit.

No definition available.

Name:	pke_NumberOfInsuranceCarriersThatHaveFiledAnswersToLawsuit
Namespace Prefix:	pke_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of sites of the company or subsidiaries that have been named for potential environmental remediation liability.

No definition available.

Name:	pke_NumberOfSitesOfCompanyOrSubsidiariesThatHaveBeenNamedForPotentialEnvironmentalRemediationLiability
Namespace Prefix:	pke_
Data Type:	xbrli:integerItemType
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Period Type:	duration

Number of units covered under general liability insurance coverage.

No definition available.

Name:	pke_NumberOfUnitsCoveredUnderGeneralLiabilityInsuranceCoverage
Namespace Prefix:	pke_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Percentage of legal defense and remediation costs associated with sites reimbursed by insurance carriers.

No definition available.

Name:	pke_PercentageOfLegalDefenseAndRemediationCostsAssociatedWithSitesReimbursedByInsuranceCarriers
Namespace Prefix:	pke_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

No definition available.

Name:	us-gaap_LitigationSettlementExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Note 11 - Contingencies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended			12 Months Ended
	Jun. 02, 2013	Aug. 26, 2012	Sep. 01, 2013	Aug. 26, 2012	Sep. 01, 2013 Subsidiaries [Member]	Feb. 26, 2012 Insurance Carrier One [Member]
Note 11 - Contingencies (Details) [Line Items]
Number Of Sites Of Company Or Subsidiaries That Have Been Named For Potential Environmental Remediation Liability			4
Number Of Insurance Carriers That Have Asserted Counter Claims To Lawsuit			1		1
Percentage Of Legal Defense And Remediation Costs Associated With Sites Reimbursed By Insurance Carriers	100.00%		100.00%			45.00%
Number Of Units Covered Under General Liability Insurance Coverage			3
Litigation Settlement, Expense (in Dollars)		$ 12	$ 19	$ 23
Number Of Insurance Carriers			2			1
Number Of Insurance Carriers That Have Filed Answers To Lawsuit			3