Share-based Compensation (Details 2) (Stock Options, Equity Incentive Plan, USD $)	3 Months Ended		9 Months Ended
	Sep. 24, 2013	Sep. 25, 2012	Sep. 24, 2013	Sep. 25, 2012
Stock Options | Equity Incentive Plan
Shares
Outstanding at the beginning of the period (in shares)			2,258,921
Forfeited (in shares)			(25,719)
Exercised (in shares)			(976,659)
Outstanding at the end of the period (in shares)	1,256,543		1,256,543
Exercisable at the end of period (in shares)	1,256,543		1,256,543
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)			$ 13.24
Forfeited (in dollars per share)			$ 12.55
Exercised (in dollars per share)			$ 13.31
Outstanding at the end of the period (in dollars per share)	$ 13.20		$ 13.20
Exercisable at the end of the period (in dollars per share)	$ 13.20		$ 13.20
Weighted-Average Remaining Contractual Term
Outstanding at the end of the period			2 years 3 months 29 days
Exercisable at the end of the period			2 years 3 months 29 days
Aggregate Intrinsic Value
Outstanding at the end of the period (in dollars)	$ 15,781,000		$ 15,781,000
Exercisable at the end of the period (in dollars)	15,781,000		15,781,000
Intrinsic value of options exercised (in dollars)	1,700,000	1,600,000	8,000,000	8,200,000
Awards vested (in shares)	0		0
Total grant date fair value of options vested (in dollars)				$ 100,000