Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Operating activities:
Net income (loss)	$ 38,176	$ (21,353)
(Income) loss from discontinued operations, net of tax provision	8	2,365
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Non-cash operating items (Note 2)	(42,587)	21,871
Changes in operating assets and liabilities:
Other current assets and other assets	(430)	1,605
Accrued expenses and other current liabilities	136	(6,767)
Income taxes receivable and payable	1,137	(12,964)
Pension and other postretirement liabilities	(1,556)	(945)
Long-term liabilities	(454)	59
Net cash provided by (used in) operating activities - continuing operations	(5,570)	(16,129)
Net cash provided by (used in) operating activities - discontinued operations	846	(39,025)
Net cash provided by (used in) operating activities	(4,724)	(55,154)
Investing activities:
Tax indemnification recovery from affiliate	5,438
Proceeds from sale of investments, net		1,150
Capital expenditures	(4)	(10)
Net cash provided by (used in) investing activities - continuing operations	5,434	1,140
Receipt of principal, Land Note	67,333
Net cash provided by (used in) investing activities	72,767	1,140
Financing activities:
Funding of withholding taxes for stock-based compensation		(8,897)
Excess tax benefit associated with stock-based compensation	156	5,910
Net cash provided by (used in) financing activities - continuing operations	156	(2,987)
Net cash provided by (used in) financing activities - discontinued operations
Net cash provided by (used in) financing activities	156	(2,987)
Increase (decrease) in cash and cash equivalents	68,199	(57,001)
Cash and cash equivalents - beginning of period	5,926	87,370
Cash and cash equivalents - end of period	$ 74,125	$ 30,369