Share-based Compensation (Tables)

9 Months Ended

Sep. 27, 2016

Share-based Compensation

Summary of allocation of share-based compensation expense

	13 Weeks Ended				39 Weeks Ended
	September 27, 2016		September 29, 2015		September 27, 2016		September 29, 2015
Labor expense	$	1,570	$	1,387	$	4,475	$	3,937
General and administrative expense		5,074		4,047		13,872		11,712
Total share-based compensation expense	$	6,644	$	5,434	$	18,347	$	15,649

Summary of restricted stock unit activity

		Weighted-Average		Weighted-Average
		Grant Date Fair		Remaining Contractual	Aggregate
	Shares	Value		Term (years)	Intrinsic Value
Outstanding at December 29, 2015	984,586	$	32.86
Granted	382,339		41.92
Forfeited	(27,997)		33.40
Vested	(424,357)		33.62
Outstanding at September 27, 2016	914,571	$	36.27	1.2	$	37,519

Summary of stock option activity

		Weighted-		Weighted-Average
		Average Exercise		Remaining Contractual	Aggregate
	Shares	Price		Term (years)	Intrinsic Value
Outstanding at December 29, 2015	328,498	$	13.10
Granted	—		—
Cancelled/Expired	(1,694)		14.60
Exercised	(175,428)		12.38
Outstanding at September 27, 2016	151,376	$	13.92	0.7	$	4,103
Exercisable at September 27, 2016	151,376	$	13.92	0.7	$	4,103