DEBT - Contractual maturities of debt obligation (Details) - USD ($)
$ in Millions |
Dec. 31, 2019 |
Dec. 31, 2018 |
Feb. 09, 2017 |
| Maturities of Long-term Debt [Abstract] |
|
|
|
| Long-term Debt, Maturities, Repayments of Principal in Year Two |
$ 145.2
|
|
|
| Long-term Debt, Maturities, Repayments of Principal in Year Three |
500.0
|
|
|
| Long-term Debt, Maturities, Repayments of Principal in Year Four |
2,070.0
|
|
|
| Long-term Debt, Maturities, Repayments of Principal in Year Five |
870.0
|
|
|
| Long-term Debt, Gross |
3,585.2
|
|
|
| Term Loan due 2023 |
|
|
|
| Maturities of Long-term Debt [Abstract] |
|
|
|
| Long-term Debt, Maturities, Repayments of Principal in Year Four |
2,070.0
|
|
|
| Long-term Debt, Gross |
2,070.0
|
$ 2,070.0
|
$ 2,245.0
|
| 9.250% Senior notes due 2024 |
|
|
|
| Maturities of Long-term Debt [Abstract] |
|
|
|
| Long-term Debt, Maturities, Repayments of Principal in Year Five |
750.0
|
|
|
| Long-term Debt, Gross |
750.0
|
750.0
|
|
| 12.00%/13.00% PIK notes due 2022 |
|
|
|
| Maturities of Long-term Debt [Abstract] |
|
|
|
| Long-term Debt, Maturities, Repayments of Principal in Year Three |
500.0
|
|
|
| Long-term Debt, Gross |
500.0
|
500.0
|
|
| ABL Revolving Credit Facility |
|
|
|
| Maturities of Long-term Debt [Abstract] |
|
|
|
| Long-term Debt, Maturities, Repayments of Principal in Year Two |
145.2
|
|
|
| Long-term Debt, Gross |
145.2
|
$ 245.1
|
|
| 10.00% notes due 2024 |
|
|
|
| Maturities of Long-term Debt [Abstract] |
|
|
|
| Long-term Debt, Maturities, Repayments of Principal in Year Five |
120.0
|
|
|
| Long-term Debt, Gross |
$ 120.0
|
|
|