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Summary of Significant Accounting Policies (Details 1) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Basic income per share:        
Net income $ (3,206) $ 3,068 $ (38,161) $ (11,657)
Less: Income attributable to participating securities   168    
Net income available to common stockholders   2,900    
Basic weighted average shares outstanding (in shares)   65,473 [1]    
Basic income per share (in dollars per share)   $ 0.04    
Diluted income per share:        
Net (loss) income (3,206) 3,068 (38,161) (11,657)
Less: Income attributable to participating securities   168    
Net income available to common stockholders   $ 2,900    
Basic weighted average shares outstanding (in shares)   65,473 [1]    
Common stock equivalents (in shares)         
Diluted weighted average shares outstanding (in shares)   65,473 [1]    
Diluted income per share (in dollars per share)   $ 0.04    
[1] This includes an adjustment to the weighted average number of common shares related to the 2013 Rights Offering used to calculate basic and diluted earnings per share in prior periods retrospectively by a factor of 1.0894.