STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2019

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

Summary of Stock Based Compensation Expense

Expense

	Three Months Ended   March 31,
(in thousands)	2019			2018
Cost of revenues	$	4,519		$	3,701
Selling and marketing	7,374			4,658
Research and development	4,560			3,637
General and administrative	1,897			3,113
	$	18,350		$	15,109
Income tax benefit	$	(3,740	)	$	(3,141	)

Summary of stock based compensation award granted

Grants

The Company granted the following stock-based compensation awards:

	Three Months Ended March 31,
	2019
(in thousands)	Shares	Total Fair Value
RSUs	839	$	53,184
Non-qualified stock options	1,770	$	33,344