LONG-TERM DEBT AND OTHER FINANCING ARRANGEMENTS Convertible Notes (Details) (USD $)								6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 2017 Fixed Rate Notes [Member]	Dec. 31, 2013 2017 Fixed Rate Notes [Member]	Jun. 30, 2014 2015 Convertible Notes [Member]	Dec. 31, 2013 2015 Convertible Notes [Member]	Feb. 18, 2011 2015 Convertible Notes [Member]	Jun. 30, 2014 2015 Convertible Notes [Member] Class A Common Stock [Member]	Jun. 30, 2014 2017 PIK Notes [Member]		May 02, 2014 2017 PIK Notes [Member]	Dec. 31, 2013 2017 PIK Notes [Member]
Debt Instrument [Line Items]
Senior debt	$ 802,517,000	$ 956,956,000	$ 332,700,000	$ 336,581,000	$ 246,251,000	$ 241,193,000			$ 223,566,000	[1]		$ 0
Fair Value			345,820,000	344,223,000	258,040,000	237,011,000
Debt Instrument, Interest Rate, Stated Percentage			9.00%				5.00%		15.00%
Principal Amount of Liability Component			327,790,000		261,034,000	261,034,000			400,000,000	[1]	400,000,000
Debt Instrument, Convertible, Number of Equity Instruments								20
Debt Instrument Convertible Principle Amount								$ 1,000
Debt Instrument, Convertible, Conversion Price								$ 50.00
Beneficial Ownership Interest Total Voting Power Percentage	35.00%				50.00%
Debt Instrument, Convertible, Effective Interest Rate					10.00%

[1] The 2017 PIK Notes were issued, along with the Unit Warrants, as a unit in the Rights Offering and related financing transactions. The equity component above represents the fair value ascribed to the Unit Warrants (see Note 14, "Equity"). The fair value is accounted for as a discount on the 2017 PIK Notes and is being amortized over the life of the 2017 PIK Notes using the effective interest method.