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LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Narrative (Details) - USD ($)
Mar. 12, 2020
Jun. 20, 2020
Feb. 29, 2020
Debt Instrument [Line Items]      
Unamortized debt discounts   $ 40,600,000 $ 41,300,000
Deferred financing costs   69,400,000 72,900,000
Outstanding balance on letters of credit   90,300,000 90,300,000
Asset-Based Loan Facility | Line of credit      
Debt Instrument [Line Items]      
Proceeds from lines of credit $ 2,000,000,000.0    
Outstanding balance on line of credit   0 0
LOC Sub-facility      
Debt Instrument [Line Items]      
Outstanding balance on letters of credit   $ 449,700,000 $ 454,500,000