INTEREST EXPENSE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Interest Expense, Debt	$ 25,774	$ 28,380	$ 52,818	$ 56,141
Amortization of capitalized debt issuance costs	6,945	1,451	8,167	3,427
Amortization of Debt Issuance Discount	(1,590)	4,502	1,968	9,249
Net (gain) / loss on extinguishment of debt	(448)	3,424	(448)	24,979
Total Debt Related Expenses	4,907	9,377	9,687	37,655
Total interest expense	30,681	37,757	62,505	93,796
Senior Debt Obligations [Member]
Interest Expense, Debt	19,981	23,105	41,173	45,652
Convertible Debt [Member]
Interest Expense, Debt	4,077	4,574	8,475	8,795
Capital Leases And Other Financing Arrangements [Member]
Interest Expense, Debt	$ 1,716	$ 701	$ 3,170	$ 1,694