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Stock-Based Compensation - Additional Information (Detail) (USD $)
3 Months Ended 3 Months Ended
Mar. 28, 2014
Mar. 29, 2013
Mar. 28, 2014
Stock Options [Member]
Mar. 29, 2013
Stock Options [Member]
Mar. 28, 2014
Employee Stock Purchase Plan [Member]
Aug. 14, 2013
Employee Stock Purchase Plan [Member]
Mar. 28, 2014
Restricted Stock Units Outstanding [Member]
Mar. 29, 2013
Restricted Stock Units Outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Expected dividend yield     0.00% 0.00% 0.00%      
Weighted-average fair value per share of options granted $ 2.35 $ 2.50            
Fair value of options vested $ 1,330,000 $ 1,260,000            
Total realized tax benefit 185,000 0            
Issuance of restricted stocks fair value             5,400,000 5,600,000
Discount percentage on purchase of stock         15.00%      
Value of stock purchase rights percentage of call option         85.00%      
Value of stock purchase rights percentage of put option         15.00%      
Weighted-average fair value per share other than option granted             $ 6.51  
Increase in authorized shares for ESPP           1,000,000 0  
Total unamortized stock-based compensation cost related to unvested stock options and restricted stock units $ 23,900,000              
Remaining weighted-average amortization period 2 years 0 months 0 days