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SUPPLEMENTAL GUARANTOR FINANCIAL INFORMATION (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Oct. 05, 2015
2023 Notes      
Business Acquisition [Line Items]      
2023 Senior Notes     $ 720.0
Interest rate 9.75% 9.75% 9.75%
2025 Notes      
Business Acquisition [Line Items]      
Interest rate 10.00% 10.00% 10.00%
2025 Senior Notes     $ 500.0