Other (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Other general expense (income) - net
Provisions for environmental matters - net	$ 2,694	$ 1,974	$ 7,344	$ 6,696
Gain (loss) on disposition of assets	(1,094)	(2,643)	(5,493)	279
Adjustments to prior provisions for qualified exit costs		(148)	223	(761)
Other general expense (income) - net	1,600	(817)	2,074	6,214
Other expense - net
Dividend and royalty income	(1,067)	(1,913)	(4,052)	(4,406)
Net expense from financing activities	1,932	1,908	5,881	6,479
Foreign currency related losses	8,971	3,499	11,890	1,125
Other income	(5,877)	(2,424)	(14,213)	(7,348)
Other expense	2,673	1,979	7,117	4,442
Other expense - net	$ 6,632	$ 3,049	$ 6,623	$ 292