XML 83 R63.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share-based Compensation (Details 3) (RSUs, USD $)
12 Months Ended
Dec. 31, 2013
Dec. 25, 2012
Dec. 27, 2011
Share-based compensation      
Unrecognized compensation cost of unvested stock awards (in dollars) $ 12,400,000    
Expected weighted-average period of recognition of unrecognized compensation cost of unvested awards 1 year 3 months 18 days    
Intrinsic value of awards vested (in dollars) 21,300,000 11,600,000 11,000,000
Restricted Stock Units, Shares      
Outstanding at the beginning of the period (in shares) 1,803,514    
Granted (in shares) 531,355    
Forfeited (in shares) (59,561)    
Vested (in shares) (991,446)    
Outstanding at the end of period (in shares) 1,283,862 1,803,514  
Restricted Stock Units, Weighted-Average Grant Date Fair Value      
Outstanding at the beginning of the period (in dollars per share) $ 15.73    
Granted (in dollars per share) $ 23.57    
Forfeited (in dollars per share) $ 17.93    
Vested (in dollars per share) $ 15.98    
Outstanding at the end of the period (in dollars per share) $ 18.68 $ 15.73  
Weighted-Average Remaining Contractual Term (years)      
Weighted-Average Remaining Contractual Term 8 years 6 months 11 days    
Aggregate Intrinsic Value      
Outstanding at the end of the period (in dollars) $ 35,691,000    
Minimum
     
Share-based compensation      
Vesting period 1 year    
Maximum
     
Share-based compensation      
Vesting period 5 years