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Earnings Per Share - Computation of Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jul. 04, 2015
Jun. 28, 2014
Jul. 04, 2015
Jun. 28, 2014
Weighted average shares:        
Basic weighted average shares outstanding 50,917 50,606 50,798 50,509
Effect of dilutive securities outstanding 0 672 0 620
Diluted weighted average and equivalent shares outstanding 50,917 51,278 50,798 51,129
Basic per share amounts:        
Net (loss) income $ (76,258) $ 27,557 $ (101,555) $ 69,163
Basic weighted average shares outstanding 50,917 50,606 50,798 50,509
Per share amount $ (1.50) $ 0.54 $ (2.00) $ 1.37
Diluted per share amounts:        
Net (loss) income $ (76,258) $ 27,557 $ (101,555) $ 69,163
Diluted weighted average and equivalent shares outstanding 50,917 51,278 50,798 51,129
Per share amount $ (1.50) $ 0.54 $ (2.00) $ 1.35