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Note 8 - Stock-Based Compensation (Details) - Restricted Stock And Restricted Stock Unit Activity (USD $)
12 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Oct. 01, 2011
Oct. 02, 2010
Note 8 - Stock-Based Compensation (Details) - Restricted Stock And Restricted Stock Unit Activity [Line Items]        
Restricted Stock Awards Outstanding 0 0 0  
Restricted Stock Awards Outstanding     (67,693)  
Restricted Stock Units (RSUs) [Member]
       
Note 8 - Stock-Based Compensation (Details) - Restricted Stock And Restricted Stock Unit Activity [Line Items]        
Restricted Stock Awards Outstanding 221,000 293,000 328,000 239,000
Weighted Average Grant Date Fair Value (in Dollars per share) $ 13.20 $ 10.74 $ 10.25 $ 9.23
Restricted Stock Awards Outstanding 73,000 99,000 119,000  
Weighted Average Grant Date Fair Value (in Dollars per share) $ 16.77 $ 11.77 $ 12.08  
Forfeited (6,000)      
Forfeited (in Dollars per share) $ 10.72      
Restricted Stock Awards Outstanding (139,000) (134,000) (30,000)  
Weighted Average Grant Date Fair Value (in Dollars per share) $ 10.00 $ 10.30 $ 9.39  
Restricted Stock [Member]
       
Note 8 - Stock-Based Compensation (Details) - Restricted Stock And Restricted Stock Unit Activity [Line Items]        
Restricted Stock Awards Outstanding     0 67,000
Weighted Average Grant Date Fair Value (in Dollars per share)     $ 0 $ 13.37
Restricted Stock Awards Outstanding     0  
Weighted Average Grant Date Fair Value (in Dollars per share)     $ 0  
Restricted Stock Awards Outstanding     (67,000)  
Weighted Average Grant Date Fair Value (in Dollars per share)     $ 13.37