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Stock Based Compensation - Additional Information (Detail) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified
3 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended
Mar. 30, 2014
Mar. 31, 2013
Mar. 30, 2014
Service-Based Restricted Stock Units
Mar. 31, 2013
Service-Based Restricted Stock Units
Mar. 30, 2014
Restricted Stock Units
Employees
Mar. 30, 2014
Stock Options
Jan. 24, 2014
Stock Options
Jan. 31, 2014
TSR Performance-Based Restricted Stock Units
Mar. 30, 2014
TSR Performance-Based Restricted Stock Units
Jan. 24, 2014
TSR Performance-Based Restricted Stock Units
Jan. 31, 2014
TSR Performance-Based Restricted Stock Units
Maximum
Jan. 31, 2014
TSR Performance-Based Restricted Stock Units
Minimum
Share-based Compensation Arrangement by Share-based Payment Award                        
Total shareholder return performance measurement period               3 years        
Percentage of vesting of target shares upon performance achieved                     200.00% 0.00%
Restricted stock unit awards to employees     1.4 1.6         0.1      
Weighted average grant date fair value of restricted stock units granted     $ 19.15 $ 16.57         $ 22.06      
Estimated annual dividend amount per share           $ 0.24     $ 0.24      
Stock price             $ 19.16     $ 19.16    
Number of service-based stock options granted to executive officers 0.1 0.2                    
Weighted average grant date fair value of stock options granted to executive officers $ 5.49 $ 6.09                    
Period of stock granted to employees and executive officers vest in equal installments         4 years 4 years            
Stock options term 7 years                      
Stock based compensation expense related to retirement agreement $ 6,600,000