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Long-Term Debt (Details) (USD $)
0 Months Ended 9 Months Ended
Sep. 03, 2013
Dec. 25, 2012
Oct. 15, 2012
Three-Year Unsecured Revolving Credit Facility [Member]
Sep. 03, 2013
Three-Year Unsecured Revolving Credit Facility [Member]
Proforma Debt Instrument [Line Items]        
Credit facility maturity date     3 years  
Revolving credit facility     $ 25,000,000  
LIBOR interest rate       Borrowings under the new credit facility bear interest at a rate of LIBOR plus 1.50%.
Basis spread on variable rate     1.50%  
Percentage of commitment fee paid on unused revolving loan facility       0.25%
Revolving credit facility, amount outstanding 0 0    
Borrowings available under revolving credit facility 24,200,000 24,200,000    
Total outstanding letter of credit commitments $ 761,000 $ 761,000