Note 16 - Employee Benefits And Incentive Plans (Detail) (USD $)	12 Months Ended
Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 190,000	$ 175,000	$ 184,000

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

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