Stock-Based Compensation (Tables)

3 Months Ended

Jun. 30, 2016

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

Summary of Stock-Based Compensation Expense of Stock Options and Restricted Stock Units

The following tables summarize the allocation of the stock-based compensation expense:

Stock-based compensation expense by type of grant:	Three Months Ended June 30,
	2016			2015
	(In thousands)
Employee stock purchase rights	$	327		$	207
RSUs	7,847			5,897
	8,174			6,104
Stock-based compensation capitalized to inventory	(9		)	(12		)
Total	$	8,165		$	6,092

Summary of Stock-Based Compensation Expense

Stock-based compensation expense by cost centers:	Three Months Ended June 30,
	2016			2015
	(In thousands)
Cost of revenues	$	167		$	105
Research and development	5,993			4,060
Selling, general and administrative	2,014			1,939
	8,174			6,104
Stock-based compensation capitalized to inventory	(9		)	(12		)
Total	$	8,165		$	6,092