Pension And Other Postretirement Benefits (Schedule Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost
Interest cost	897	904	2,691	2,834
Expected return on plan assets	(1,054)	(916)	(3,162)	(2,686)
Unrecognized prior service cost
Unrecognized net actuarial loss (gain)	308	310	924	1,028
FASB ASC 715-30 curtailment gain
Total net periodic benefit cost (income)	151	298	453	1,176
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	272	257	810	781
Interest cost	3,024	2,896	9,060	8,668
Expected return on plan assets	(2,794)	(2,597)	(8,380)	(7,731)
Unrecognized prior service cost	10	6	29	18
Unrecognized net actuarial loss (gain)	221	248	664	742
FASB ASC 715-30 curtailment gain				(837)
Total net periodic benefit cost (income)	733	810	2,183	1,641
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	7	9	22	17
Interest cost	193	194	579	692
Expected return on plan assets
Unrecognized prior service cost	(15)	(39)	(45)	(89)
Unrecognized net actuarial loss (gain)	(318)	(398)	(954)	(1,048)
FASB ASC 715-30 curtailment gain
Total net periodic benefit cost (income)	$ (133)	$ (234)	$ (398)	$ (428)