Additional Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Non-cash operating items:
Equity in net loss (income) of affiliates	$ 11,353	$ (23,940)	$ 4,484	$ (70,186)
Deferred taxes			(1,910)	12,899
Depreciation and amortization			36	78
Stock based compensation			536	494
Amortization of prior service credits and net actuarial gain			338	81
Gain on disposition of net assets		(5,118)		(5,118)
Unrealized gain on non-qualified pension plan assets			(87)	(198)
(Gain) loss on foreign currency transactions and contracts			(1,350)	71
Net non-cash operating items - continuing operations			2,047	(61,879)
Non-cash operating items - discontinued operations			26,438	30,309
Non-cash investing activities:
Capital expenditures incurred not yet paid - discontinued operations			7,881	2,239
Non-cash financing activities:
Repurchase of voting common stock not yet paid - continuing operations	1,192		1,192
Supplemental information:
Interest paid - continuing operations			57	82
Interest paid - discontinued operations			914	958
Tax payments net of refunds			$ 85	$ 5,213