BASIS OF PRESENTATION - Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013 Senior Secured Notes 2009 11 1/2% Second Lien Senior Secured Notes	Oct. 31, 2009 Senior Secured Notes 2009 11 1/2% Second Lien Senior Secured Notes	Jun. 30, 2013 Senior Secured Notes 2012 11 1/2% Second Lien Senior Secured Notes	Mar. 06, 2012 Senior Secured Notes 2012 11 1/2% Second Lien Senior Secured Notes	Jun. 30, 2013 Senior Secured Notes 2012 10 1/2% Third Lien Senior Secured Notes	Mar. 06, 2012 Senior Secured Notes 2012 10 1/2% Third Lien Senior Secured Notes	Jun. 30, 2013 Senior Subordinated Notes 2004 7 1/8% Senior Subordinated Notes	Aug. 31, 2004 Senior Subordinated Notes 2004 7 1/8% Senior Subordinated Notes	Jun. 30, 2013 Senior Subordinated Notes 2005 6 7/8% Senior Subordinated Notes	Feb. 28, 2005 Senior Subordinated Notes 2005 6 7/8% Senior Subordinated Notes	Jun. 30, 2013 Senior Subordinated Notes 2012 11 % Senior Subordinated Notes	Mar. 06, 2012 Senior Subordinated Notes 2012 11 % Senior Subordinated Notes	Jun. 30, 2013 Fair Value, Inputs, Level 2 Senior Secured Notes 2009 11 1/2% Second Lien Senior Secured Notes	Jun. 30, 2013 Fair Value, Inputs, Level 2 Senior Secured Notes 2012 11 1/2% Second Lien Senior Secured Notes	Jun. 30, 2013 Fair Value, Inputs, Level 2 Senior Secured Notes 2012 10 1/2% Third Lien Senior Secured Notes	Jun. 30, 2013 Fair Value, Inputs, Level 2 Senior Subordinated Notes 2004 7 1/8% Senior Subordinated Notes	Jun. 30, 2013 Fair Value, Inputs, Level 2 Senior Subordinated Notes 2005 6 7/8% Senior Subordinated Notes	Jun. 30, 2013 Fair Value, Inputs, Level 2 Senior Subordinated Notes 2012 11 % Senior Subordinated Notes	Jun. 30, 2013 Carrying Value Fair Value, Inputs, Level 2 Credit Facility Bank Credit Facility	Jun. 30, 2013 Carrying Value Fair Value, Inputs, Level 2 Credit Facility Term Loan Credit Facility	Jun. 30, 2013 Carrying Value Fair Value, Inputs, Level 2 Senior Secured Notes 2009 11 1/2% Second Lien Senior Secured Notes	Jun. 30, 2013 Carrying Value Fair Value, Inputs, Level 2 Senior Secured Notes 2012 11 1/2% Second Lien Senior Secured Notes	Jun. 30, 2013 Carrying Value Fair Value, Inputs, Level 2 Senior Secured Notes 2012 10 1/2% Third Lien Senior Secured Notes	Jun. 30, 2013 Carrying Value Fair Value, Inputs, Level 2 Senior Subordinated Notes 2004 7 1/8% Senior Subordinated Notes	Jun. 30, 2013 Carrying Value Fair Value, Inputs, Level 2 Senior Subordinated Notes 2005 6 7/8% Senior Subordinated Notes	Jun. 30, 2013 Carrying Value Fair Value, Inputs, Level 2 Senior Subordinated Notes 2012 11 % Senior Subordinated Notes	Jun. 30, 2013 Fair Value Fair Value, Inputs, Level 2 Credit Facility Bank Credit Facility	Jun. 30, 2013 Fair Value Fair Value, Inputs, Level 2 Credit Facility Term Loan Credit Facility	Jun. 30, 2013 Fair Value Fair Value, Inputs, Level 2 Senior Secured Notes 2009 11 1/2% Second Lien Senior Secured Notes	Jun. 30, 2013 Fair Value Fair Value, Inputs, Level 2 Senior Secured Notes 2012 11 1/2% Second Lien Senior Secured Notes	Jun. 30, 2013 Fair Value Fair Value, Inputs, Level 2 Senior Secured Notes 2012 10 1/2% Third Lien Senior Secured Notes	Jun. 30, 2013 Fair Value Fair Value, Inputs, Level 2 Senior Subordinated Notes 2004 7 1/8% Senior Subordinated Notes	Jun. 30, 2013 Fair Value Fair Value, Inputs, Level 2 Senior Subordinated Notes 2005 6 7/8% Senior Subordinated Notes	Jun. 30, 2013 Fair Value Fair Value, Inputs, Level 2 Senior Subordinated Notes 2012 11 % Senior Subordinated Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Note stated interest rate	11.50%	11.50%	11.50%	11.50%	10.50%	10.50%	7.125%	7.125%	6.875%	6.875%	11.00%	11.00%	11.50%	11.50%	10.50%	7.125%	6.875%	11.00%
Credit facility value																			$ 394,000	$ 221,737							$ 378,240	$ 221,625
Note value																					$ 195	$ 194,819	$ 417,771	$ 21,156	$ 9,654	$ 344,190			$ 222	$ 221,778	$ 406,805	$ 20,098	$ 9,503	$ 320,527