DEBT (Details) (USD $)	2 Months Ended	3 Months Ended	6 Months Ended		1 Months Ended	4 Months Ended	1 Months Ended		2 Months Ended	3 Months Ended	6 Months Ended					6 Months Ended	3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended	1 Months Ended	4 Months Ended		1 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Apr. 30, 2011 Predecessor Company	Apr. 30, 2011 Predecessor Company	Aug. 31, 2012 Existing Notes	Apr. 30, 2012 Existing Notes	Jun. 30, 2011 Existing Notes	Jun. 30, 2012 Existing Notes	Jun. 30, 2012 Existing Notes	Jul. 27, 2012 Existing Notes	Jul. 23, 2012 Existing Notes	Jul. 03, 2012 Existing Notes	Dec. 31, 2011 Existing Notes	Jun. 30, 2012 Existing Notes LIBOR	Jun. 30, 2012 Revolving Credit Facility	Jun. 30, 2012 Revolving Credit Facility	Dec. 31, 2011 Revolving Credit Facility	Jun. 30, 2012 Revolving Credit Facility Minimum	Jun. 30, 2012 Revolving Credit Facility Minimum	Apr. 30, 2011 Existing Floating Rate Notes Predecessor Company	Apr. 30, 2011 Existing Floating Rate Notes Predecessor Company	May 12, 2011 Existing Floating Rate Notes Predecessor Company	Aug. 31, 2012 New Notes	Jun. 30, 2012 New Notes	Jul. 03, 2012 New Notes
Debt
Total Debt		$ 325,000,000	$ 325,000,000	$ 325,000,000						$ 325,000,000	$ 325,000,000				$ 325,000,000									$ 325,000,000
Total Debt Outstanding		325,000,000	325,000,000	325,040,000
Variable rate basis																LIBOR
Margin (as a percent)																3.75%
Variable interest rate base floor (as a percent)																1.25%
Maximum Principal Exchange Amount												225,000,000		200,000,000
Interest rate applicable to the New Notes (as a percent)																											9.00%
Amount of Existing Notes tendered													255,500,000
Amount of existing Senior Floating Rate Notes that were exchanged for new Senior Notes							225,000,000
Amount of New Notes issued in exchange for Existing Notes tendered																									230,000,000
Additional premium received above the principal amount of notes exchanged (as a percent)							2.00%
Percentage of principal amount at which notes may be required to be repurchased in the event of change of control																										101.00%
Amount which would require entity to make bona fide offer to repurchase debt should no qualified alternative use for the funds be found by October 4, 2012								20,000,000
Amount to be maintained in excess availability plus qualified cash																		15,000,000
Qualified cash amount																				5,000,000	5,000,000
Aggregate amount of cash and cash equivalents																					20,000,000
Effective interest rate during the period (as a percent)									3.40%	5.00%	5.00%											3.70%	5.50%
Effective interest rate (as a percent)										5.00%	5.00%				5.00%
Interest expense									2,800,000	4,100,000	8,200,000											1,100,000	4,400,000
Deferred financing costs	0	434,000	434,000		4,400,000	4,400,000																4,400,000	4,400,000
Deferred financing costs																	700,000	700,000
Non-cash interest expense related to amortization of deferred financing costs			100,000		1,000,000	3,900,000
Fees to complete the amendment																		400,000
Amount outstanding under the Revolving Credit Facility				40,000															40,000
Letters of credit issued																	2,700,000	2,700,000	2,600,000
Available borrowing capacity																	$ 21,100,000	$ 21,100,000	$ 21,300,000