Stockholders' Equity (Tables)

6 Months Ended

Jun. 27, 2015

Stockholders' Equity Note [Abstract]

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

Restricted stock unit (RSU) activity under our equity incentive plan during the six months endedJune 27, 2015 is set forth below:

	Units		Weighted Average Grant Date Fair Value
Restricted stock units at December 27, 2014	3,250,046		$	6.07
Awards granted	1,478,750		8.70
Awards vested	(1,922,779	)	6.04
Awards canceled	(138,619	)	6.18
Restricted stock units at June 27, 2015	2,667,398		$	7.54

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following weighted average assumptions were used in the estimated grant-date fair value calculations using the Black-Scholes option pricing model:

Stock Options:
Dividend yield	—	%
Expected volatility	47.5	%
Risk-free interest rate	1.57	%
Expected term (in years)	5.52