CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income	$ 18,427	$ 17,577
Other comprehensive loss:
Foreign currency translation adjustment	(4,448)	(695)
Deferred income tax benefit	1,370	243
Other comprehensive loss, net of tax	(3,078)	(452)
Comprehensive income	$ 15,349	$ 17,125