Stock-Based Compensation (Tables)

12 Months Ended

Dec. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Valuation Assumptions

10. Stock-Based Compensation (continued)

The weighted-average assumpt

Schedule of Share-based Compensation, Stock Options, Activity

The tables below summarize the option activity under the Plan:

	Shares		Weighted- Average Exercise Price
Outstanding—January 3, 2012	2,621,023		8.67
Granted	516,473		11.27
Forfeited	(164,329	)	8.68
Exercised	—		—
Outstanding—January 1, 2013	2,973,167		9.12
Granted	555,273		18.06
Forfeited	(55,389	)	11.89
Exercised	(163,179	)	8.72
Outstanding—December 31, 2013	3,309,872		10.59
Granted	269,552		30.40
Forfeited	(73,673	)	19.72
Exercised	(260,487	)	8.85
Outstanding—December 30, 2014	3,245,264		$	12.17

	Shares	Weighted- Average Exercise Price		Weighted- Average Remaining Years of Contractual Life	Aggregate Intrinsic Value(1) (in thousands)
Outstanding as of December 30, 2014	3,245,264	$	12.17	6.86	$	47,385
Vested and expected to vest	3,218,628	12.08		6.84	47,222
Exercisable as of December 30, 2014	2,504,436	9.80		6.34	41,561

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(1) Aggregate intrinsic value represents the amount by which fair value of the Company's stock exceeds the exercise price of the option as of December 30, 2014.