Employee Benefits And Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

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,
	2019		2018		2017
	(In thousands)
Cost of revenues	$	6,739	$	6,835	$	7,030
Sales and marketing	3,755		4,972		5,688
Research and development	6,370		6,728		6,113
General and administrative	33,762		33,969		34,076
Total stock-based compensation	$	50,626	$	52,504	$	52,907

Nature Of Total Stock-Based Compensation

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

	Year Ended December 31,
	2019			2018			2017
	(In thousands)
RSUs	$	36,930		$	38,005		$	38,087
PSUs	10,522			12,403			13,270
ESPP	4,864			4,166			4,005
Capitalization (Included in Property and equipment, net)	(1,690		)	(2,070		)	(2,455		)
Total stock-based compensation expenses	$	50,626		$	52,504		$	52,907

Summary Of Unvested RSUs Activity

The following table summarizes unvested RSUs activity for the year ended December 31, 2019:

	Shares		Weighted-Average Grant-Date Fair Value
	(Shares in thousands)
Unvested at beginning of period	1,222		$	90.88
Granted	307		$	172.87
PSU achievement adjustment	85		$	42.22
Vested and settled	(682	)	$	81.05
Forfeited	(56	)	$	110.45
	876		$	121.21