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Stock Based Compensation (Tables)

12 Months Ended

Dec. 28, 2014

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

Summary of Activity Under Plans and Agreement

Activity under the Plans and the Agreement is as follows:

Options		Shares (Thousands)				Weighted Average Exercise Price				Aggregate Intrinsic Value (Thousands)				Weighted Average Remaining Term (Years)
Outstanding—December 25, 2011			4,261				9.19			$	2,229				6.34
Granted			504				8.65
Exercised			—				—
Canceled			(552	)			7.67
Outstanding—December 30, 2012			4,213				9.30			$	5,348				5.93
Granted			1,243				11.32
Exercised			(99	)			7.97
Canceled			(327	)			8.40
Outstanding—December 29, 2013			5,030				9.41			$	78,575				6.31
Granted			318				19.16
Exercised			(586	)			8.67
Canceled			(149	)			11.68
Outstanding—December 28, 2014			4,613				10.10			$	12,731				5.62
Vested and expected to vest—December 28, 2014			3,469				9.11			$	21,602				4.66
Exercisable—December 28, 2014			3,547				9.17			$	11,293				4.75

Schedule of Average Assumptions to Value Options

The following table reflects the average assumptions utilized in the Black-Scholes option-pricing model to value the options granted for each year:

		2014				2013				2012
Risk-free interest rate			1.3	%			1.2	%			1.0	%
Expected life (years)			7.00				6.05				6.06
Expected dividend yield			—				—				—
Volatility			49.2	%			46.9	%			46.4	%
Weighted average common stock fair value		$	19.16			$	11.32			$	8.65

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- Definition

Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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