Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income from continuing operations before income taxes:
U.S.	$ 11,525	$ 33,070	$ 10,343
International	146,421	133,430	97,231
Income from continuing operations before income taxes	157,946	166,500	107,574
Current:
U.S. – federal	(210)	22,673	8,356
U.S. – state	2,019	1,236	539
International	32,217	35,954	16,933
Current Income Tax Expense (Benefit)	34,026	59,863	25,828
Deferred:
U.S. – federal	7,670	(6,737)	13,792
U.S. – state	(1,137)	1,279	(110)
International	(3,993)	(8,446)	(4,257)
Deferred Income Tax Expense (Benefit)	2,540	(13,904)	9,425
Income taxes	$ 36,566	$ 45,959	$ 35,253