Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 44,265	$ 5,926
Notes receivable	33,667	67,333
Income taxes receivable	10,628	13,234
Deferred tax assets		3,784
Other current assets	5,636	568
Total current assets	94,196	90,845
Long-term receivables		33,667
Investments in affiliates	158,583	116,820
Long-term deferred tax assets	77,999	83,708
Other assets	60	2,700
Total assets	330,838	327,740
Current liabilities:
Accrued employment costs	1,942	960
Other current liabilities	11,402	8,750
Total current liabilities	13,344	9,710
Pension and other postretirement liabilities	13,514	17,003
Long-term liabilities	85,758	93,117
Total liabilities	112,616	119,830
Commitments and contingencies
Shareholders' equity:
Preferred stock, 0.01 par value; 10,000,000 shares authorized, no shares issued and outstanding
Common Stock:
Paid-in capital	1,017,520	1,015,656
Treasury stock (at cost), 154,494 shares of voting common stock	(9,592)	(9,592)
Accumulated deficit	(771,693)	(777,549)
Accumulated other comprehensive loss	(18,324)	(20,916)
Total shareholders' equity	218,222	207,910
Total liabilities and equity	330,838	327,740
Voting Common Stock [Member]
Common Stock:
Common stock, 0.01 par value	216	216
Nonvoting Common Stock [Member]
Common Stock:
Common stock, 0.01 par value	$ 95	$ 95