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Summary of Significant Accounting Policies (Details 1) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jul. 05, 2014
Jun. 29, 2013
Jul. 05, 2014
Jun. 29, 2013
Basic income per share:        
Net income $ 3,236 $ (22,306) $ (5,372) $ (34,955)
Less: Income applicable to participating securities 89      
Net income available to common stockholders 3,147      
Basic weighted average shares outstanding 85,874      
Basic income per share (in dollars per share) $ 0.04      
Diluted income per share:        
Net income 3,236 (22,306) (5,372) (34,955)
Less: Income applicable to participating securities 89      
Net income available to common stockholders $ 3,147      
Basic weighted average shares outstanding 85,874      
Common stock equivalents         
Diluted weighted average shares outstanding 85,874      
Diluted income per share (in dollars per share) $ 0.04