Pension Plans And Other Postretirement Benefits (Domestic And Foreign Pension And Postretirement Defined Benefit Plans) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Total net periodic pension and postretirement benefit cost	$ 6,880	$ 5,287	$ 20,551	$ 15,974
Pension Plans [Member]
Service cost	3,242	2,802	9,677	8,443
Interest cost	8,252	7,942	24,713	23,875
Expected return of assets	(12,152)	(10,397)	(36,438)	(31,200)
Amortization of net transition asset		(2)		(7)
Amortization of prior service benefit	(238)	(247)	(714)	(740)
Amortization of net loss	6,562	4,338	19,669	13,050
Total net periodic benefit cost	5,666	4,436	16,907	13,421
Postretirement Plan [Member]
Service cost	65	95	197	286
Interest cost	848	891	2,545	2,673
Expected return of assets	(127)	(132)	(382)	(395)
Amortization of prior service benefit	(174)	(426)	(523)	(1,278)
Amortization of net loss	602	423	1,807	1,267
Total net periodic benefit cost	$ 1,214	$ 851	$ 3,644	$ 2,553