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Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Share-based Compensation

Summary of allocation of share-based compensation expense

		13 Weeks Ended						26 Weeks Ended
		June 30, 2015			July 1, 2014			June 30, 2015			July 1, 2014
Labor expense		$	1,035		$	1,402		$	2,550		$	2,770
General and administrative expense		4,276			2,376			7,665			4,629
Total share-based compensation expense		$	5,311		$	3,778		$	10,215		$	7,399

Summary of restricted stock unit activity

		Shares		Weighted- Average Grant Date Fair Value			Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding at December 30, 2014		978,124		$	22.52
Granted		538,568		35.30
Forfeited		(21,910	)	26.43
Vested		(506,980	)	19.79
Outstanding at June 30, 2015		987,802		$	30.80		1.4		$	36,973

Summary of stock option activity

		Shares		Weighted- Average Exercise Price			Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding at December 30, 2014		636,930		$	14.20
Granted		—		—
Forfeited		—		—
Exercised		(173,223	)	15.54
Outstanding at June 30, 2015		463,707		$	13.69		1.6		$	11,007
Exercisable at June 30, 2015		463,707		$	13.69		1.6		$	11,007

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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