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DEBT AND CREDIT FACILITIES (Narrative) (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2015 USD ($)
Line of Credit Facility [Line Items] |  |  |  |
Payments of Debt Issuance Costs | $ 5,200,000 |  | $ 33,100,000 |
Letters of credit outstanding | 110,300,000 |  |  | $ 186,300,000
Gain on extinguishment/restructuring of debt | $ 178,800,000 |  | $ 313,700,000 |
$400 Million 5.90% 2020 Senior Notes [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Stated interest rate | 5.90% |  |  |
Five hundred forty million Eight point two five Twenty twenty First Lien Notes [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Stated interest rate | 8.25% |  |  |
In the Event of Default Amount that will Accelerate | 0.25 |  |  |
Five hundred Forty-four Million Seven Point Seven Five Twenty Twenty Second Lien Notes [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Stated interest rate | 7.75% |  |  |
Revolving Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Credit facility, amount outstanding | $ 0 | [1] |  | 0
Line of Credit Facility, Maximum Borrowing Capacity | 368,900,000 |  |  | 366,000,000
Debt Instrument, Par Value | 550,000,000 |  |  | 550,000,000
Credit facility remaining capacity | 258,600,000 |  |  | $ 179,200,000
Letters of credit outstanding | $ 110,300,000 |  |  |
Revolving Credit Facility [Member] | Minimum [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Base Rate | 0.005 |  |  |
Two hundred Eighteen Point Five Million Eight Point Zero Twenty Twenty One Point Five Lien Notes [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Stated interest rate | 8.00% |  |  |
Repurchase Price of $218.5M 8.00% Notes if Triggering Event Occurs | 1.01 |  |  |
Initial Redemption Price | 1.04 |  |  |
Debt Instrument, Par Value | $ 218,500,000 |  |  |
Redemption Price after September 30, 2017 | 1.00 |  |  |
Redemption Price from time to time and prior to September 30, 2017 | 1.00 |  |  |
Amount in aggregate that can be redeemed on or prior to September 30, 2017 | 0.35 |  |  |
Redemption Price of 35 percent or less of Outstanding | 1.08 |  |  |
Amount to Remain Outstanding Prior to September 30, 2017 | 0.65 |  |  |
Exchange of Debt [Member] | Two hundred Eighteen Point Five Million Eight Point Zero Twenty Twenty One Point Five Lien Notes [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Gain on extinguishment/restructuring of debt | $ 174,300,000 |  |  |
[1] | As of March 31, 2016, no loans were drawn under the ABL Facility and we had total availability of $368.9 million as a result of borrowing base limitations. As of March 31, 2016, the principal amount of letter of credit obligations totaled $110.3 million, thereby further reducing available borrowing capacity on our ABL Facility to $258.6 million.

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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