Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

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,
	2016			2015		2016		2015
Option plan	$	6,210		$	6,698	$	17,772	$	19,878
Other share-based awards	(3,139		)	5,689		15,680		22,167
Total share-based compensation before tax	3,071			12,387		33,452		42,045
Tax benefit	1,146			4,621		12,478		15,683
Total share-based compensation expense included in net income	$	1,925		$	7,766	$	20,974	$	26,362