INTEREST EXPENSE (Details) (USD $) In Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Interest Expense, Debt	$ 28,420		$ 24,952		$ 84,562		$ 74,473
Amortization of capitalized debt issuance costs	1,537		1,387		4,963		4,170
Loss on extinguishment of debt	924	[1]	0	[1]	25,904	[1]	0	[1]
Total Debt Related Expenses	6,742		6,636		44,396		19,815
Total interest expense	35,162		31,588		128,958		94,288
Senior Debt Obligations [Member]
Interest Expense, Debt	22,543		18,083		68,195		54,308
Convertible Debt [Member]
Interest Expense, Debt	4,842		4,156		13,637		12,468
Amortization of Debt Issuance Discount	4,281		5,249		13,529		15,645
Capital Leases And Other Financing Arrangements [Member]
Interest Expense, Debt	$ 1,035		$ 2,713		$ 2,730		$ 7,697

[1] (1) See Note 5 “Long-Term Debt and Other Financing Arrangements” for detail of the loss on extinguishment of debt.