Other (Income) Expense (Summary of other expense (income)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Nonoperating Income (Expense) [Abstract]
Foreign currency losses (gains)	$ 1,099	$ 9,295	$ 6,869
Release of indemnification asset	5,371	11,180	0
All other, net	(8,199)	(2,856)	3,829
Total other expense	$ 1,729	$ (17,619)	$ (10,698)