Stock-Based Compensation (Tables)

12 Months Ended

Mar. 29, 2015

A summary of stock option activity is as follows:


	Number of Options			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
	(In thousands)							(In thousands)
Outstanding at April 1, 2012		19,011		$	17.91
Granted		1,387			13.67
Exercised		(79	)		14.31			$	204
Forfeited (cancelled pre-vesting)		(177	)		15.82
Expired (cancelled post-vesting)		(3,313	)		20.23

Outstanding at March 31, 2013		16,829			17.14
Granted		75			10.90
Exercised		(88	)		12.00				36
Forfeited (cancelled pre-vesting)		(732	)		15.02
Expired (cancelled post-vesting)		(4,881	)		20.45

Outstanding at March 30, 2014		11,203			15.84
Granted		32			9.99
Exercised		(229	)		13.43				264
Forfeited (cancelled pre-vesting)		(273	)		14.88
Expired (cancelled post-vesting)		(2,238	)		15.42

Outstanding at March 29, 2015		8,495		$	16.03		3.6	$	1,556

Vested and expected to vest at March 29, 2015		8,482		$	16.03		3.6	$	1,545

Exercisable at March 29, 2015		8,225		$	16.11		3.5	$	1,213

Summary of Stock-Based Compensation Expense

A summary of stock-based compensation expense, by functional line item in the consolidated statements of operations, is as follows:


	2015		2014		2013
	(In thousands)
Cost of revenues	$	1,049	$	1,349	$	2,372
Engineering and development		10,024		10,918		13,584
Sales and marketing		4,631		5,337		6,853
General and administrative		4,841		5,034		7,554

	$	20,545	$	22,638	$	30,363

Weighted-Average Fair Values and Underlying Assumptions

The fair value of stock options granted and shares to be purchased under the ESPP have been estimated at the date of grant using a Black-Scholes option-pricing model. The weighted-average fair values and underlying assumptions are as follows:


	2015						2014						2013
	Stock Options			Employee Stock Purchase Plan			Stock Options			Employee Stock Purchase Plan			Stock Options			Employee Stock Purchase Plan
Fair value	$	3.74		$	2.20		$	4.12		$	2.41		$	4.97		$	2.66
Expected volatility		33	%		30	%		36	%		32	%		38	%		36	%
Risk-free interest rate		2.1	%		0.1	%		1.6	%		0.1	%		0.9	%		0.1	%
Expected life (years)		6.6			0.5			6.2			0.3			5.5			0.25
Dividend yield		—			—			—			—			—			—

Vesting Feature Service Conditions And Either Performance Or Market Condition [Member]

Summary of Activity of Restricted Stock Units

A summary of activity of restricted stock units subject to a service condition and either a performance or market condition is as follows:


	Number of RSUs			Weighted- Average Grant Date Fair Value		Aggregate Fair Value
	(In thousands)					(In thousands)
Outstanding and unvested at April 1, 2012		155		$	13.85
Granted		179			14.10
Vested		(36	)		13.85	$	508
Forfeited		(9	)		13.85

Outstanding and unvested at March 31, 2013		289			14.01
Granted		374			11.67
Vested		(60	)		13.97		558
Forfeited		(180	)		13.86

Outstanding and unvested at March 30, 2014		423			12.02
Granted		721			12.04
Vested		(24	)		13.98		242
Forfeited		(141	)		10.03

Outstanding and unvested at March 29, 2015		979		$	12.27

Vesting Feature Service Conditions [Member]

Summary of Activity of Restricted Stock Units

A summary of activity of restricted stock units subject to only a service condition is as follows:


	Number of RSUs			Weighted- Average Grant Date Fair Value		Aggregate Fair Value
	(In thousands)					(In thousands)
Outstanding and unvested at April 1, 2012		2,686		$	15.77
Granted		1,753			13.52
Vested		(1,002	)		15.43	$	14,057
Forfeited		(186	)		14.94

Outstanding and unvested at March 31, 2013		3,251			14.71
Granted		2,207			11.11
Vested		(1,150	)		14.90		11,136
Forfeited		(697	)		13.80

Outstanding and unvested at March 30, 2014		3,611			12.62
Granted		2,061			10.61
Vested		(1,102	)		13.42		11,839
Forfeited		(911	)		11.94

Outstanding and unvested at March 29, 2015		3,659		$	11.42