Employee Benefits And Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]

Classification Of Stock-Based Compensation

The following table presents the classification of stock-based compensation:

	Year Ended December 31,
	2015		2014		2013
	(In thousands)
Stock-based compensation:
Cost of revenues	$	7,009	$	6,400	$	6,156
Sales and marketing	6,763		8,023		6,252
Research and development	6,488		7,018		7,199
General and administrative	25,815		22,536		17,042
Total stock-based compensation	$	46,075	$	43,977	$	36,649

Nature Of Total Stock-Based Compensation

The following table presents the nature of the Company’s total stock-based compensation:

	Year Ended December 31,
	2015			2014			2013
	(In thousands)
RSUs	$	36,664		$	32,304		$	29,123
Performance-based RSUs	8,078			10,232			5,033
ESPP	4,051			4,192			5,486
Capitalization (Included in Property and equipment, net)	(2,718		)	(2,751		)	(2,993		)
Total stock-based compensation expense	$	46,075		$	43,977		$	36,649

Summary Of Unvested RSUs Activity

The following table summarizes unvested RSUs activity:

	Year Ended December 31,
	2015				2014				2013
	Shares		Weighted-Average Grant-Date Fair Value		Shares		Weighted-Average Grant-Date Fair Value		Shares		Weighted-Average Grant-Date Fair Value
	(Shares in thousands)
Unvested at beginning of period	2,179		$	46.36	2,442		$	38.00	2,478		$	32.07
Granted	1,075		61.74		909		55.05		1,132		45.08
Vested and settled	(932	)	43.92		(878	)	35.99		(900	)	30.73
Forfeited	(212	)	51.47		(294	)	44.00		(268	)	36.09
	2,110		$	54.77	2,179		$	46.36	2,442		$	38.00