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Stock-Based Compensation (Details 2)
9 Months Ended
Sep. 27, 2013
Employee Stock Option [Member]
 
Schedule of Employee Service Share-based Compensation [Line Items]  
Options, Outstanding at December 28, 2012, Shares 3,376,000
Options, Granted, shares 560,000
Options, Exercised, Shares (515,000)
Options, Forfeited or expired, Shares (30,000)
Options, Outstanding at September 27, 2013, Shares 3,391,000
Options, Exercisable at September 27, 2013, Shares 2,198,000
Restricted Stock [Member]
 
Schedule of Employee Service Share-based Compensation [Line Items]  
Options, Outstanding at December 28, 2012, Shares 205,000
Options, Granted, shares 153,000
Options, Exercised, Shares (17,000)
Options, Forfeited or expired, Shares 0
Options, Outstanding at September 27, 2013, Shares 341,000
Options, Exercisable at September 27, 2013, Shares 0
Warrant [Member]
 
Schedule of Employee Service Share-based Compensation [Line Items]  
Options, Outstanding at December 28, 2012, Shares 1,470,000
Options, Granted, shares 0
Options, Exercised, Shares 0
Options, Forfeited or expired, Shares (70,000)
Options, Outstanding at September 27, 2013, Shares 1,400,000
Options, Exercisable at September 27, 2013, Shares 1,400,000