Share-based Compensation (Tables)

12 Months Ended

Dec. 25, 2012

Share-based Compensation

Summary of allocation of share-based compensation expense

	Fiscal Year Ended
	December 25, 2012		December 27, 2011		December 28, 2010
Labor expense	$	4,570	$	3,905	$	3,364
General and administrative expense		8,623		6,620		4,322
Total share-based compensation expense	$	13,193	$	10,525	$	7,686

Summary of stock option activity

	Shares			Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding at December 27, 2011		3,486,642		$	12.02
Granted		—			—
Forfeited		(112,471	)		11.74
Exercised		(1,115,250	)		9.57
Outstanding at December 25, 2012		2,258,921		$	13.24		2.99	$	8,613
Exercisable at December 25, 2012		2,258,921		$	13.24		2.99	$	8,613

Summary of restricted stock unit activity

	Shares			Weighted-Average Grant Date Fair Value
Outstanding at December 27, 2011		1,186,480		$	13.71
Granted		1,356,462			16.13
Forfeited		(55,814	)		14.33
Vested		(683,614	)		13.15
Outstanding at December 25, 2012		1,803,514		$	15.73