Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

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

Schedule of share-based compensation expenses

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

	Three months ended March 31,
	2016		2015
Option plan	$	5,404	$	6,585
Other share-based awards	9,457		6,757
Total share-based compensation before tax	14,861		13,342
Tax benefit	5,543		4,977
Total share-based compensation expense included in net income	$	9,318	$	8,365