Restructuring (Schedule of Restructuring Liability) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Restructuring Reserve [Roll Forward]
Beginning balance	$ 4,947	$ 6,979
Restructuring charges accrued	636	803
Payments	(1,716)	(1,536)
Currency translation/other	71	59
Ending balance	3,938	6,305
Termination Costs [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	4,947	6,979
Restructuring charges accrued	636	803
Payments	(1,716)	(1,536)
Currency translation/other	71	59
Ending balance	$ 3,938	$ 6,305