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Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
Jul. 16, 2020
Jun. 30, 2020
Jan. 27, 2020
Dec. 31, 2019
Loss Contingencies [Line Items]        
Accrual for legal proceedings   $ 0.1   $ 0.1
Prepaid expenses and other current assets   49.9   $ 64.4
Blue Ribbon        
Loss Contingencies [Line Items]        
Debtor-in-possession financing to be provided $ 27.5   $ 20.0  
Blue Ribbon | Equity Method Investee        
Loss Contingencies [Line Items]        
Prepaid expenses and other current assets   $ 15.5