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Stock Plans and Stock Compensation Expense (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Y
Dec. 31, 2011
Y
Dec. 25, 2010
Y
Dec. 26, 2009
Y
Dec. 30, 2006
Rate
Y
Aug. 21, 2012
Mar. 12, 2012
Mar. 14, 2011
Mar. 02, 2010
Jun. 06, 2006
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Minimum Market Value Per Share, Calculation of Shares $ 5.00                  
Allocated Share-based Compensation Expense $ 937 $ 663 $ 888              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years       7 years          
Age Eligible for Retirement 60                  
Restricted Stock Granted in Period           48,000 241,233 91,340 100,940 125,000
Grant Date Fair Value of Restricted Stock           156 998 417 266 1,556
Weighted Average Grant Date Fair Value of Resticted Stock           $ 3.255 $ 4.135 $ 4.565 $ 2.635 $ 12.45
Minimum Award Vesting Period of Restricted Stock Issued 2 2 2   2          
Share-based Compensation Arrangement by Share-based Awards, Maximum Award Vesting Period 15 16 17              
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent         92.00%          
Share-based Compensation Arrangement by Share-based Payment Award, Market Condition, Increase in Market Value, Percentage         35.00%          
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Description and Terms       1            
Share-based Compensation Arrangement by Share-based Payment Award, Minimum Years from Grant Date to Achieve Market Condition       3 5          
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost       $ 41            
Primary Long-Term Incentive Award [Member]
                   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years                  
Career Shares Award [Member]
                   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 2 years                  
2006 Stock Awards Plan [Member]
                   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of Shares Authorized 800,000                  
2006 Stock Awards Plan, as amended in 2010 [Member]
                   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of Shares Authorized 1,300,000