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Stockholders' Equity and Stock-Based Compensation (Details) (USD $)
 12 Months Ended 12 Months Ended
Dec. 28, 2013
Dec. 31, 2001
Supplemental Equity Plan 2001
Dec. 31, 2001
2001 Equity Plan
Dec. 28, 2013
2001 Equity Plan
Dec. 28, 2013
2010 Equity Plan
Dec. 28, 2013
2010 Equity Plan
Stock options
Dec. 28, 2013
2010 Equity Plan
Stock options
Minimum
Dec. 28, 2013
Period 2
Unvested Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period               2 years
Authorized stock repurchase amount $ 30,000,000              
Number of shares repurchased since inception 2,171,400              
Value of shares repurchased since inception $ 7,991,954              
Number of shares authorized     7,100,000          
Life of award   10 years 10 years     10 years    
Number of shares that may be issued   0   0 1,200,000      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 2,600,000              
Purchase price of common stock under equity plans as percent of fair value at the grant date           110.00% 100.00%