Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2017

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 March 31,
	2017		2016
Option plan	$	1,422	$	5,404
Other share-based awards	9,092		9,457
Total share-based compensation before tax	10,514		14,861
Tax benefit	3,905		5,543
Total share-based compensation expense included in net income	$	6,609	$	9,318