Equity Compensation (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Option activity
Weighted Average Exercise Price, Outstanding (in dollars per share)	$ 14.39
Weighted Average Exercise Price, Granted (in dollars per share)	$ 27.14
Weighted Average Exercise Price, Exercised (in dollars per share)	$ 13.59
Weighted Average Exercise Price, Cancelled (in dollars per share)	$ 20.41
Weighted Average Exercise Price, Outstanding (in dollars per share)	$ 17.39	$ 14.39
Weighted Average Exercise Price, Exercisable (in dollars per share)	$ 13.61
Number of Options, Outstanding (in shares)	2,400
Number of Options, Granted (in shares)	498	508	806
Number of Options, Exercised (in shares)	(697)	(864)	(1,144)
Number of Options, Cancelled (in shares)	(97)
Number of Options, Outstanding (in shares)	2,104	2,400
Number of Options, Exercisable (in shares)	1,182
Weighted Average Remaining Contractual Term, Outstanding	4 years 3 months 7 days
Weighted Average Remaining Contractual Term, Exercisable	1 year 6 months 22 days
Aggregate Intrinsic Value, Outstanding	$ 58,030
Aggregate Intrinsic Value, Exercisable	$ 37,084