Employee Benefit Plans (Tables)

3 Months Ended

Apr. 03, 2015

Summary of Company's Stock Option and Restricted Stock Unit Activity

The following table summarizes the Company’s stock option and RSU unit activity during the three months ended April 3, 2015 (in thousands, except per share amounts):



			Stock Options Outstanding				Restricted Stock Units Outstanding
	Shares Available for Grant		Number of Shares		Weighted Average Exercise Price		Number of Units		Weighted Average Grant Date Fair Value
Balance at December 31, 2014	7,480		7,255		$	6.65	2,241		$	6.40
Authorized			—		—		—		—
Granted	(3,037	)	1,049		7.58		1,325		7.57
Options exercised	—		(617	)	5.49		—		—
Shares released	—		—		—		(925	)	6.56
Forfeited or cancelled	283		(172	)	6.86		(73	)	6.23
Balance at April 3, 2015	4,726		7,515		$	6.87	2,568		$	7.01

Summary of Stock Options Outstanding

The following table summarizes information about stock options outstanding as of April 3, 2015 (in thousands, except per share amounts):



	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Vested and expected to vest	7,126	$	6.87	3.7	$	6,331
Exercisable	4,694	6.94		2.5	4,571

Summary of Restricted Stock Units Outstanding

The following table summarizes information about RSUs outstanding as of April 3, 2015 (in thousands, except per share amounts):



	Number of Shares Underlying Restricted Stock Units	Weighted Average Remaining Vesting Period (Years)	Aggregate Fair Value
Vested and expected to vest	2,359	0.8	$	17,407