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Summary of Significant Accounting Policies (Detail Textuals 1)
6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Unvested Restricted Stock
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive shares excluded from earnings per share calculation 1,984,911 3,610,274
Unvested Share-based Awards
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive shares excluded from earnings per share calculation 5,203,075 4,515,590
Unexpired stock options
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive shares excluded from earnings per share calculation 870,147 905,316
Performance Shares
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive shares excluded from earnings per share calculation 2,348,017