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SUBSEQUENT EVENTS Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2015 | Jan. 27, 2016 | Jan. 04, 2016 | Dec. 31, 2014 | Feb. 21, 2013
Subsequent Event [Line Items] |  |  |  |  |
Common shares, issued (in shares) | 159,546,224 |  |  | 159,546,224 |
Exchange of Debt [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Exchange Notes Tendered |  | $ 465.3 |  |  |
Preferred Class A [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Series A Mandatory Convertible Preferred Stock, Class A, Percentage | 7.00% |  |  |  |
Common Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Common shares, issued (in shares) |  |  |  |  | 9,000,000
Common Stock [Member] | Conversion of Preferred Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Convertible Preferred Stock, Common Shares Issued Upon Conversion in Lieu of Dividend |  |  | 1,300,000 |  |
Convertible Preferred Stock, Shares Issued upon Conversion |  |  | 0.9052 |  |
Common shares, issued (in shares) |  |  | 26,500,000 |  |
Convertible Preferred Stock, Common Shares Issued Upon Conversion |  |  | 25,200,000 |  |
Maximum [Member] | Exchange of Debt [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Exchange Offer Amount |  | $ 710.0 |  |  |
Maximum [Member] | Common Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Convertible Preferred Stock, Shares Issued upon Conversion | 34.4840 |  |  |  |
Minimum [Member] | Common Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Convertible Preferred Stock, Shares Issued upon Conversion | 28.1480 |  |  |  |
Minimum [Member] | Common Stock [Member] | Conversion of Preferred Stock [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Convertible Preferred Stock, Shares Issued upon Conversion |  |  | 0.8621 |  |

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