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Indebtedness (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Mar. 29, 2013
Mar. 30, 2012
Mar. 29, 2013
Mar. 30, 2012
Weighted Average Borrowing Rate for Short-Term Debt 2.50% 2.70% 2.50% 2.70%
Interest Paid $ 409 $ 440 $ 620 $ 766
Long-term Debt, Fair Value 8,057 8,604 8,057 8,604
Revolvers [Member]
        
Initiation Date     Nov. 16, 2010  
Expiration Date     Nov. 16, 2014  
Remaining Borrowing Capacity 21,500   21,500  
Interest Rate at Period End 2.50%   2.50%  
Revolvers Borrowing Capacity Standard [Member]
        
Maximum Borrowing Capacity 75,000   75,000  
Revolvers Borrowing Capacity Annual Pay Down [Member]
        
Maximum Borrowing Capacity 30,000   30,000  
Annual Seasonal Pay Down Duration     60 days  
Term Loans [Member]
        
Interest Rate at Period End 5.25%   5.25%  
Pre Payment Penalty Percent     7.00%  
Annual Decrease Of Pre Payment Penalty     1.00%  
Financial Standby Letter of Credit [Member]
        
Letters of Credit Outstanding $ 1,401 $ 2,103 $ 1,401 $ 2,103