Share-based Compensation (Tables)

9 Months Ended

Sep. 27, 2011

Share-based Compensation

Summary of allocation of share-based compensation expense

	13 Weeks Ended				39 Weeks Ended
	September 27, 2011		September 28, 2010		September 27, 2011		September 28, 2010
Labor expense	$	1,000	$	876	$	2,934	$	2,479
General and administrative expense	1,418		1,093		5,217		3,226
Total share-based compensation expense	$	2,418	$	1,969	$	8,151	$	5,705

Summary of stock option activity

	Shares		Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at December 28, 2010	3,996,512		$	11.87
Granted	—		—
Forfeited	(17,714	)	15.50
Exercised	(412,502	)	10.89
Outstanding at September 27, 2011	3,566,296		$	11.96	3.89	$	9,896
Exercisable at September 27, 2011	3,510,267		$	11.94	3.85	$	9,828

Summary of restricted stock unit activity

	Shares		Weighted- Average Grant Date Fair Value
Outstanding at December 28, 2010	1,205,410		$	11.71
Granted	676,852		16.55
Forfeited	(140,859	)	16.39
Vested	(557,677	)	11.86
Outstanding at September 27, 2011	1,183,726		$	13.67