Share-Based Payments (Tables)

9 Months Ended

Sep. 30, 2018

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

Schedule of Stock Option and Restricted Stock Unit Compensation Expense

Compensation expense, included within other selling and administrative expenses in the consolidated statements of operations, related to stock options and RSUs is as follows:

	For the Three Months Ended				For the Nine Months Ended
	September 30, 2018		September 30, 2017		September 30, 2018		September 30, 2017
	(In thousands)
Stock option compensation expense	$	2,751	$	3,446	$	6,125	$	9,262
RSU compensation expense	11,019		13,583		30,062		38,320
	$	13,770	$	17,029	$	36,187	$	47,582