Stock-Based Compensation (Tables)

12 Months Ended

Apr. 03, 2016

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 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
Granted		22			14.91
Exercised		(1,034	)		14.50				793
Forfeited (cancelled pre-vesting)		(12	)		13.29
Expired (cancelled post-vesting)		(2,083	)		17.18
Outstanding at April 3, 2016		5,388		$	15.88		3.0	$	487
Vested and expected to vest at April 3, 2016		5,388		$	15.88		3.0	$	487
Exercisable at April 3, 2016		5,307		$	15.92		3.0	$	402

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:

	2016		2015		2014
	(In thousands)
Cost of revenues	$	825	$	1,049	$	1,349
Engineering and development		9,140		10,024		10,918
Sales and marketing		3,780		4,631		5,337
General and administrative		2,883		4,841		5,034
	$	16,628	$	20,545	$	22,638

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:

	2016						2015						2014
	Stock Options			Employee Stock Purchase Plan			Stock Options			Employee Stock Purchase Plan			Stock Options			Employee Stock Purchase Plan
Fair value	$	5.44		$	2.60		$	3.74		$	2.20		$	4.12		$	2.41
Expected volatility		33	%		39	%		33	%		30	%		36	%		32	%
Risk-free interest rate		1.9	%		0.2	%		2.1	%		0.1	%		1.6	%		0.1	%
Expected life (years)		6.5			0.6			6.6			0.5			6.2			0.3
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 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
Granted		641			15.45
Vested		(21	)		10.14		322
Forfeited		(1,094	)		13.60
Outstanding and unvested at April 3, 2016		505		$	13.52

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 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
Granted		1,578			14.40
Vested		(1,213	)		11.88		17,206
Forfeited		(1,086	)		12.45
Outstanding and unvested at April 3, 2016		2,938		$	12.44