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Note 12 - Deferred Compensation (Detail) (USD $)
12 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Oct. 02, 2010
Deferred Compensation Arrangement with Individual, Allocated Share-based Compensation Expense $ 114,000    
Pension and Other Postretirement Benefit Expense $ 59,000 $ 62,000 $ 66,000
Fair Value Inputs, Discount Rate 8.00%