Note 16 - Employee Benefits and Incentive Plans (Details Textual) (USD $)	12 Months Ended
Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Pension and Other Postretirement Benefit Expense [Abstract]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 184,000	$ 202,000	$ 190,000

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