Special Charges (Schedule Of Restructuring Reserve By Type Of Cost) (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011
Balances at January 1, 2011	$ 4,682
Additions	10,370
Payments	(7,757)
Foreign currency translation adjustment and other	(189)
Balances at September 30, 2011	7,106
Employee Termination Costs [Member]
Balances at January 1, 2011	1,920
Additions	10,370
Payments	(5,111)
Foreign currency translation adjustment and other	(73)
Balances at September 30, 2011	7,106
Lease Termination Costs [Member]
Balances at January 1, 2011	2,762
Payments	(2,646)
Foreign currency translation adjustment and other	$ (116)