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v3.20.1

SUBSEQUENT EVENTS (Narrative) (Details) - USD ($) $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Apr. 24, 2020 | Mar. 31, 2020 | Mar. 31, 2019 | Apr. 17, 2020
Subsequent Event [Line Items] |  |  |  |
Long-term Debt, Gross |  | $ 4,570.5 |  |
Extinguishment of Debt, Amount |  | $ 739.9 | $ 10.0 |
Subsequent Event [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Extinguishment of Debt, Amount | $ 736.4 |  |  |
Reduction of Principal Long-Term Debt | 181.3 |  |  |
9.875% 2025 Senior Secured Notes [Member] | Subsequent Event [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Long-term Debt, Gross | $ 555.2 |  |  | $ 400.0
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 9.875%
Debt issuance, discount rate | 99.00% |  |  | 94.50%

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