Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating activities:
Net (loss) income	$ (13,464)	$ 7,618
Income from discontinued operations, net of tax	(123)	(8,508)
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Non-cash operating items (Note 2)	11,026	(1,417)
Changes in operating assets and liabilities:
Other current assets and other assets	(1,856)	428
Accrued expenses and other current liabilities	(1,325)	(1,608)
Income taxes payable	306	116
Pension and other postretirement liabilities	(976)	(270)
Long-term liabilities	(68)	(2,162)
Net cash used in operating activities - continuing operations	(6,480)	(5,803)
Net cash (used in) provided by operating activities - discontinued operations	(36,921)	11,475
Net cash (used in) provided by operating activities	(43,401)	5,672
Investing activities:
Distributions received from affiliate		375,809
Capital expenditures	(3)
Net cash (used in) provided by investing activities - continuing operations	(3)	375,809
Net cash used in investing activities - discontinued operations		(63,974)
Net cash (used in) provided by investing activities	(3)	311,835
Financing activities:
Voting common stock repurchased		(472)
Proceeds from the exercise of stock options		178
Cash settlement of restricted stock units		(169)
Funding of withholding taxes on employee cashless stock option exercises		(4,899)
Excess tax benefit associated with exercise of stock options		19
Net cash used in financing activities - continuing operations		(5,343)
Net cash provided by financing activities - discontinued operations
Net cash used in financing activities		(5,343)
(Decrease) increase in cash and cash equivalents	(43,404)	312,164
Cash and cash equivalents - beginning of period	87,370	197,114
Cash and cash equivalents - end of period	$ 43,966	$ 509,278