Basis Of Presentation (Additional Cash Flow Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Non-cash operating items:
Equity in net income of affiliates	$ 7,281	$ (6,869)
Deferred taxes	1,977	5,095
Depreciation and amortization	4	18
Stock based compensation	263	254
Amortization of prior service credits and net actuarial gain	1,501	169
Unrealized gain on non-qualified pension plan assets		(84)
Net non-cash operating items - continuing operations	11,026	(1,417)
Non-cash financing activities:
Dividend declared not yet paid		417,606
Continuing Operations [Member]
Supplemental information:
Interest paid	3	28
Tax payments	86	(157)
Discontinued Operations [Member]
Non-cash operating items:
Net non-cash operating items - continuing operations		5,866
Non-cash investing activities:
Capital expenditures incurred not yet paid - discontinued operations		3,663
Supplemental information:
Interest paid		415
Tax payments	$ 35,118