Other (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Other general expense - net
Provisions for environmental matters - net	$ 5,105	$ 5,352
Gain on disposition of assets	(121)	(4,409)
Adjustments to prior provisions for qualified exit costs	53	229
Total	5,037	1,172
Other (income) expense - net
Dividend and royalty income	(1,250)	(1,325)
Net expense from financing activities	2,980	2,123
Foreign currency related (gains) losses	(5,078)	1,314
Other income	(3,251)	(3,317)
Other expense	1,612	1,253
Total	$ (4,987)	$ 48