Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

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

Schedule of share-based compensation expenses

Total share-based compensation expenses were comprised as follows (in thousands):

	Three months ended September 30,						Nine months ended September 30,
	2018			2017			2018		2017
Option plan	$	6,821		$	5,766		$	16,636	$	12,837
Other share-based awards	(748		)	(3,919		)	18,988		18,191
Total share-based compensation before tax	6,073			1,847			35,624		31,028
Tax benefit	1,446			686			8,479		11,524
Total share-based compensation expense included in net income	$	4,627		$	1,161		$	27,145	$	19,504