Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary of Stock-Based Compensation Activity) (Details)

v2.4.0.8
Stock-Based Compensation (Summary of Stock-Based Compensation Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Mar. 30, 2014
Shares  
Outstanding and expected to vest at December 29, 2013 729,874
Granted 4,944
Exercised (50,004)
Forfeited (653)
Outstanding and expected to vest at March 30, 2014 684,161
Exercisable at March 30, 2014 463,252
Weighted Average Exercise Price  
Outstanding and expected to vest at December 29, 2013 $ 11.45
Granted $ 40.68
Exercised $ 6.05
Forfeited $ 13.54
Outstanding and expected to vest at March 30, 2014 $ 12.05
Exercisable at March 30, 2014 $ 7.00
Weighted Average Remaining Contractual Term (Years)  
Outstanding and expected to vest at March 30, 2014 5 years 6 months 21 days
Exercisable at March 30, 2014 4 years 3 months 18 days
Aggregate Intrinsic Value  
Outstanding and expected to vest at March 30, 2014 $ 19,843
Exercisable at March 30, 2014 $ 15,807