Other (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 Contract OptionPlan	Jun. 30, 2013 OptionPlan Contract	Jun. 30, 2014 Contract OptionPlan	Jun. 30, 2013 OptionPlan Contract
Other general expense - net
Provisions for environmental matters - net	$ 259	$ 1,446	$ (175)	$ 1,769
Loss (gain) on disposition of assets	511	(1,173)	373	2,323
Adjustments to prior provisions for qualified exit costs		212	0	340
Total	770	485	198	4,432
Other (income) expense - net
Dividend and royalty income	(1,195)	(813)	(2,246)	(3,637)
Net expense from financing activities	2,547	2,845	5,469	4,743
Foreign currency transaction related (gains) losses	(1,830)	3,196	1,028	5,944
Other income	(6,973)	(7,107)	(13,279)	(14,419)
Other expense	2,304	2,594	4,384	5,363
Total	$ (5,147)	$ 715	$ (4,644)	$ (2,006)
Number of foreign currency option outstanding	0	0	0	0
Number of foreign forward contracts outstanding	0	0	0	0