CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) [Abstract]
Net Income (Loss)	$ 42,591	$ 35,477	$ (307,035)	$ 62,100
Other Comprehensive Income:
Tax adjustment on minimum pension liability	(841)	0	(841)	0
Foreign currency translation (net of tax of $248, $0, $285, and $0, respectively)	362	(1,279)	419	(1,190)
Change in fair value of investments (net of tax of $0, $0, $158, and $0, respectively)	1	595	208	595
Change in fair value of interest rate swap (net of tax of $121, $0, $756, and $0, respectively)	(177)	0	(1,196)	0
Realized loss on sale of investments recorded in Net Income (Loss) (net of tax of $0, $0, $1,219 and $0, respectively)	0	0	2,005	0
Total Other Comprehensive Income (Loss)	(655)	(684)	595	(595)
Total Comprehensive Income (Loss)	$ 41,936	$ 34,793	$ (306,440)	$ 61,505