Restructuring (Schedule of Restructuring Liability) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Restructuring Reserve [Roll Forward]
Beginning balance	$ 9,656	$ 4,947
Restructuring charges accrued	1,182	636
Payments	(4,633)	(1,716)
Currency translation/other	481	71
Ending balance	6,686	3,938
Termination Costs [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	9,656	4,947
Restructuring charges accrued	1,182	636
Payments	(4,633)	(1,716)
Currency translation/other	481	71
Ending balance	$ 6,686	$ 3,938