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
9 Months Ended
Sep. 28, 2014
Shares  
Outstanding and expected to vest at December 29, 2013 729,874
Granted 10,553
Exercised (55,223)
Forfeited (2,125)
Outstanding and expected to vest at September 28, 2014 683,079
Exercisable at September 28, 2014 477,185
Weighted Average Exercise Price  
Outstanding and expected to vest at December 29, 2013 $ 11.45
Granted $ 34.68
Exercised $ 5.82
Forfeited $ 21.03
Outstanding and expected to vest at September 28, 2014 $ 12.23
Exercisable at September 28, 2014 $ 7.49
Weighted Average Remaining Contractual Term (Years)  
Outstanding and expected to vest at September 28, 2014 5 years 1 month 6 days
Exercisable at September 28, 2014 3 years 11 months 10 days
Aggregate Intrinsic Value  
Outstanding and expected to vest at September 28, 2014 $ 13,144
Exercisable at September 28, 2014 $ 11,392