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Employee Stock Benefit Plans - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 0 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended 0 Months Ended
Mar. 29, 2014
2005 Equity Incentive Plan [Member]
Mar. 29, 2014
Employee Stock Options [Member]
Mar. 29, 2014
Employee Stock Options [Member]
Minimum [Member]
Mar. 29, 2014
Employee Stock Options [Member]
Maximum [Member]
Mar. 29, 2014
Restricted Stock Units [Member]
Mar. 29, 2014
Restricted Stock Units [Member]
Minimum [Member]
Mar. 29, 2014
Restricted Stock Units [Member]
Maximum [Member]
Mar. 29, 2014
Employee Stock Purchase Plan [Member]
Mar. 29, 2014
Equity-Based Performance Stock Units [Member]
Mar. 25, 2014
Equity-Based Performance Stock Units [Member]
Senior Executives [Member]
Mar. 29, 2014
Equity-Based Performance Stock Units [Member]
Minimum [Member]
Mar. 25, 2014
Equity-Based Performance Stock Units [Member]
Minimum [Member]
Senior Executives [Member]
Mar. 29, 2014
Equity-Based Performance Stock Units [Member]
Maximum [Member]
Mar. 25, 2014
Equity-Based Performance Stock Units [Member]
Maximum [Member]
Senior Executives [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                            
Shares available for equity grants 628,165             322,422            
Range of period in which vested stock expire   10 years                        
Maximum period in which vested stock become exercisable     1 year 4 years   1 year 4 years   3 years          
Stock options outstanding   3,004,798                        
Weighted-average exercise price of stock options   $ 11.89                        
Aggregate intrinsic value of stock options   $ 2.8     $ 11.9       $ 3.9          
Weighted average remaining contractual term stock options   5 years 1 month 6 days                        
Stock options outstanding, Exercisable   2,333,487                        
Weighted-average exercise price of stock options, Exercisable   $ 12.26                        
Aggregate intrinsic value of stock options, Exercisable   $ 2.5                        
Weighted average remaining contractual term stock options, Exercisable   4 years 3 months 18 days                        
Number of common share granted         454,538                  
Units outstanding         1,131,871       368,875          
Weighted average remaining vesting period         1 year 10 months 24 days       2 years          
Award measurement period                 1 year          
Common stock granted on achievement of performance goals                     0.00%   150.00%  
Number of stock units issued                   192,019        
Shareholders return adjustment range                       75.00%   125.00%
Rate of shares vest                   50.00%        
Percentage of fair value of common stock, common stock price               85.00%            
Shares issued under Employee Stock Purchase Plan