QUARTERLY FINANCIAL DATA (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Quarterly Financial Data [Abstract]
Sales Revenue, Services, Net	$ 276,882	$ 165,472	$ 249,656	$ 172,772	$ 257,413	$ 134,354	$ 201,726	$ 143,641	$ 864,782	$ 737,134	$ 681,945
Cost of Revenue	188,797	150,560	179,568	150,730	182,388	131,045	146,282	134,329	669,655	594,044	529,286
Operating Income (Loss)	(12,106)	(12,910)	39,473	(7,665)	41,903	(25,345)	25,452	(19,133)	6,792	22,877	(38,971)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	(77,225)	(82,196)	812	(20,995)	(25,442)	3,417	(52,913)	(41,986)	(179,604)	(116,924)	(70,983)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0	0	0	0	0	217,619	(3,922)	0	213,697	(36,824)
Net Income (Loss) Attributable to Parent	$ (72,391)	$ (82,074)	$ 968	$ (21,114)	$ (26,116)	$ 3,416	$ 165,169	$ (42,294)	$ (174,611)	$ 100,175	$ (97,157)
Earnings Per Share, Basic	$ (1.12)	$ (1.27)	$ 0.02	$ (0.33)	$ (0.41)	$ 0.05	$ 2.59	$ (0.67)	$ (2.71)	$ 1.57	$ (1.79)
Effect Of Dilutive Securities Per Share	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Earnings Per Share, Diluted	$ (1.12)	$ (1.27)	$ 0.02	$ (0.33)	$ (0.41)	$ 0.05	$ 2.59	$ (0.67)	$ (2.71)	$ 1.57	$ (1.79)