Restructuring (Schedule of Restructuring Liability) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Restructuring Reserve [Roll Forward]
Beginning balance	$ 6,979	$ 2,809
Restructuring charges accrued	7,617	6,890
Payments	(9,672)	(2,707)
Currency translation/other	23	13
Ending balance	4,947	6,979
Termination Costs [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	6,979	2,809
Restructuring charges accrued	7,617	6,890
Payments	(9,672)	(2,707)
Currency translation/other	23	(13)
Ending balance	$ 4,947	$ 6,979