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Net Income (Loss) Per Share - Additional Information (Detail) (Employee stock option [Member])
3 Months Ended
Mar. 28, 2014
Mar. 29, 2013
Employee stock option [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share 288,237 1,020,222