Income Taxes (Schedule of Income/(Loss) From Continuing Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
U.S.	$ (5,865)	$ 8,556	$ (7,211)
Non-U.S.	60,573	69,710	58,689
Income/(loss) before income taxes	54,708	78,266	51,478
Current:
Federal	1,551	3,728
State	1,770	176	1,993
Non-U.S.	19,282	19,979	20,842
Current income tax provision	22,603	23,883	22,835
Deferred:
Federal	1,881	2,138	(34,135)
State	(1,237)	1,984	(40)
Non-U.S.	(1,124)	(2,551)	5,553
Deferred income tax provision	(480)	1,571	(28,622)
Total income tax expense/(benefit)	$ 22,123	$ 25,454	$ (5,787)