Pensions (Changes In Plan Assets And Benefit Obligations Recognized In Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Current year actuarial loss	$ 18,115	$ 2,951
Amortization of actuarial loss	(1,728)	(1,405)
Amortization of prior service cost	(75)	(117)
Total recognized in other comprehensive income (loss)	16,312	1,429
Total recognized in net periodic pension cost and other comprehensive income (loss)	17,410	3,087
European Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Current year actuarial loss	(1,702)	159
Amortization of actuarial loss	(68)	(137)
Amortization of transition obligation		(10)
Curtailment		(1,040)
Foreign currency exchange	90	(216)
Total recognized in other comprehensive income (loss)	(1,680)	(1,244)
Total recognized in net periodic pension cost and other comprehensive income (loss)	$ (752)	$ (113)