Restructuring (Schedule Of Restructuring Accruals Expenses) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Restructuring [Abstract]
Balance at January 1, 2011			$ 3,543
Restructuring costs	2,931	3,524	2,931	6,422
Payments/Utilization			(4,307)
Balance at September 30, 2011	$ 2,167		$ 2,167