DEBT - Redemption of Prior Notes (Details) - USD ($) $ in Millions	Feb. 07, 2020	Jan. 31, 2020
12.00%/13.00% Senior PIK Toggle Notes due 2022 | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount		$ 500.0
Cash interest rate, stated percentage		12.00%
PIK interest rate, stated percentage		13.00%
9.250% Notes due 2024 | Notes Payable to Banks
Debt Instrument [Line Items]
Aggregate principal amount	$ 0.5	$ 750.0
Stated interest rate		9.25%
10.00% Notes due 2024 | Notes Payable to Banks
Debt Instrument [Line Items]
Aggregate principal amount		$ 120.0
Stated interest rate		10.00%