LONG-TERM DEBT LONG-TERM DEBT - Facilities due 2020 (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Jun. 01, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 15,000,000		$ 15,000,000
Credit Facility revolving loans, carrying value	0		0			$ 70,000,000
Letters of Credit Outstanding, Amount	$ 2,000,000		$ 2,000,000
ABL Facilities due 2020 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 100,000,000
Line of Credit Facility, Expiration Date			Feb. 28, 2020
Commitment fee minimum	1.00%		1.00%
Commitment fee maximum	1.25%		1.25%
Debt Instrument Interest Additional Interest Above annual L I B O R Rate			4.50%
Fixed charge coverage ratio	1.0		1.0
Credit Facility revolving loans, carrying value	$ 0		$ 0
Letters of Credit Outstanding, Amount	48,200,000		48,200,000
Line of Credit Facility, Remaining Borrowing Capacity	$ 30,500,000		30,500,000
Line Of Credit Facility Weighted Average Interest Rate During Period	0.00%
Term Loan Facilities due 2020 [Member]
Debt Instrument [Line Items]
Term Loan Facility due 2020	$ 314,212,000		$ 314,212,000		$ 315,000,000	$ 0
Term Loan Facilities, Expiration Date			Jun. 01, 2020
Original Issue Discount Rate	3.00%		3.00%
Debt Instrument Interest Additional Interest Above annual L I B O R Rate			9.25%
L I B O R floor			1.00%
Quarterly Loan Principal Payment	$ 787,500.000
Debt Instrument, Unamortized Discount	$ 9,400,000		$ 9,400,000
Loan Facility Weighted Average Interest Rate During Period	10.25%
Credit Facilities due 2020 [Member]
Debt Instrument [Line Items]
Deferred Finance Costs, Gross	$ 11,100,000		$ 11,100,000
Leverage ratio	1.5		1.5
Minimum liquidity requirement	$ 100,000,000		$ 100,000,000
2011 Credit Facility
Debt Instrument [Line Items]
Commitment fee minimum	0.50%		0.50%
Line Of Credit Facility Weighted Average Interest Rate During Period	0.00%	3.01%	3.14%	2.92%
2011 Credit Facility | Amendment Of Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 400,000,000		$ 400,000,000
Line of Credit Facility, Expiration Date			Mar. 31, 2016