Restructuring (Schedule of Restructuring Liability) (Details) - Termination Costs [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Restructuring Reserve [Roll Forward]
Beginning balance	$ 10,177	$ 1,874
Restructuring charges accrued	6,801	10,212
Payments	(6,835)	(9,229)
Currency translation/other	13	(192)
Ending balance	$ 10,156	$ 2,665