Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2015

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 September 30,				Nine months ended September 30,
	2015		2014		2015		2014
Option plan	$	6,698	$	6,310	$	19,878	$	18,263
Other share-based awards	5,689		8,103		22,167		19,202
Total share-based compensation before tax	12,387		14,413		42,045		37,465
Tax benefit	4,621		5,376		15,683		13,990
Total share-based compensation expense included in net income	$	7,766	$	9,037	$	26,362	$	23,475