Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary Of Stock-Based Compensation Activity) (Detail)

v2.4.0.6
Stock-Based Compensation (Summary Of Stock-Based Compensation Activity) (Detail) (USD $)
6 Months Ended
Jun. 24, 2012
Schedule Of Stock Options [Line Items]  
Outstanding and expected to vest at December 25, 2011 970,273
Granted 63,797
Exercised   
Forfeited (4,350)
Outstanding and expected to vest at June 24, 2012 1,029,720
Exercisable at June 24, 2012 738,824
Outstanding and expected to vest at December 25, 2011 $ 4.36
Granted $ 13.54
Exercised   
Forfeited $ 8.88
Outstanding and expected to vest at June 24, 2012 $ 4.90
Exercisable at June 24, 2012 $ 3.72
Outstanding and expected to vest at June 24, 2012 5 years 7 months 10 days
Exercisable at June 24, 2012 5 years 7 days
Outstanding and expected to vest at June 24, 2012 $ 8,589
Exercisable at June 24, 2012 $ 6,882