CONSOLIDATED CONDENSED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) (USD $) In Thousands, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance at Dec. 31, 2011	$ 47,329	$ 993,434	$ 402,679	$ (43,615)	$ 1,399,827
Net Loss	0	0	(307,035)	0	(307,035)
Other Comprehensive Income:
Tax adjustment on minimum pension liability	0	0	0	(841)	(841)
Foreign currency translation (net of tax of $285)	0	0	0	419	419
Change in fair value of investments (net of tax of $158)	0	0	0	208	208
Change in fair value of interest rate swap (net of tax of $756)	0	0	0	(1,196)	(1,196)
Realized loss on sale of investments recorded in Net Loss (net of tax of $1,219)	0	0	0	2,005	2,005
Total Comprehensive Income (Loss)					(306,440)
Tax effect of stock-based compensation	0	(195)	0	0	(195)
Stock-based compensation expense	0	7,424	0	0	7,424
Issuance of common stock, net	227	(106)	0	0	121
Balance at Sep. 30, 2012	$ 47,556	$ 1,000,557	$ 95,644	$ (43,020)	$ 1,100,737