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Long-Term Obligations (Details) (USD $)
3 Months Ended
Mar. 30, 2013
Dec. 29, 2012
Mar. 30, 2013
Revolving Credit Facility [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Federal Funds Rate [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Federal Funds Rate [Member]
Minimum [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Federal Funds Rate [Member]
Maximum [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Prime Rate [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Prime Rate [Member]
Minimum [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Prime Rate [Member]
Maximum [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Eurocurrency Rate [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Eurocurrency Rate [Member]
Minimum [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Eurocurrency Rate [Member]
Maximum [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Eurocurrency Rate Two [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Eurocurrency Rate Two [Member]
Minimum [Member]
Mar. 30, 2013
Revolving Credit Facility [Member]
Eurocurrency Rate Two [Member]
Maximum [Member]
Mar. 30, 2013
Commercial Real Estate Loan [Member]
Dec. 29, 2012
Commercial Real Estate Loan [Member]
Long-term obligations [Line Items]                                  
Total Long-Term Obligations                               $ 6,625,000 $ 6,875,000
Less: Current Maturities (500,000) (625,000)                              
Long-Term Obligations, less Current Maturities 6,125,000 6,250,000                              
Weighted average interest rate for long-term obligations (in hundredths) 6.38%                                
Term of unsecured revolving credit facility     5 years                            
Borrowing capacity available under committed portion     100,000,000                            
Additional borrowing capacity     50,000,000                            
Maturity date     Aug. 03, 2017                            
Interest rate description     Interest on any loans outstanding under the 2012 Credit Agreement accrues and is payable quarterly in arrears at one of the following rates selected by the Company: (i) the highest of (a) the federal funds rate plus 0.50% plus an applicable margin of 0% to 1%, (b) the prime rate, as defined, plus an applicable margin of 0% to 1% and (c) the Eurocurrency rate, as defined, plus 0.50% plus an applicable margin of 0% to 1% or (ii) the Eurocurrency rate, as defined, plus an applicable margin of 1% to 2%. The applicable margin is determined based upon the ratio of the Company's total debt to earnings before intrest, taxes, depreciation, and amortization (EBITDA), as defined in the 2012 Credit Agreement. For this purpose, total debt is defined as total debt less up to $25,000,000 of unrestricted domestic cash.                            
Basis spread on variable rate       federal funds rate     prime rate     Eurocurrency rate     Eurocurrency rate        
Basis spread on variable rate (in hundredths)       0.50%           0.50%              
Margin rate of debt instrument (in hundredths)         0.00% 1.00%   0.00% 1.00%   0.00% 1.00%   1.00% 2.00%    
Maximum capital expenditures     25,000,000                            
Maximum consolidated leverage ratio     3.5                            
Minimum consolidated interest coverage ratio     3                            
Remaining borrowing capacity     99,922,000                            
Face amount of debt     $ 100,000,000