Other (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013 Contract OptionPlan	Jun. 30, 2012 OptionPlan Contract	Jun. 30, 2013 Contract OptionPlan	Jun. 30, 2012 OptionPlan Contract
Other general expense (income) - net
Provisions for environmental matters - net	$ 1,446	$ 3,988	$ 1,769	$ 9,093
(Gain) loss on disposition of assets	(1,173)	(814)	2,323	(935)
Adjustments to prior provisions for qualified exit costs	212	(88)	340	(35)
Total	485	3,086	4,432	8,123
Other expense (income) - net
Dividend and royalty income	(813)	(851)	(3,637)	(2,101)
Net expense from financing activities	2,845	1,041	4,743	4,021
Foreign currency transaction related losses (gains)	3,196	1,374	5,944	(3,704)
Other income	(7,107)	(5,229)	(14,419)	(8,480)
Other expense	2,594	3,561	5,363	5,173
Total	$ 715	$ (104)	$ (2,006)	$ (5,091)
Number of foreign currency option outstanding	0	0	0	0
Number of foreign forward contracts outstanding	0	0	0	0