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Debt - Schedule of the Company's Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Unamortized debt issuance costs $ (2.6) $ (4.0)
Total long-term debt 291.9 296.0
8.25% Senior Notes Due October 15, 2024    
Debt Instrument [Line Items]    
Senior Unsecured notes 233.0 300.0
Revolving Credit Facility    
Debt Instrument [Line Items]    
Borrowings under the Revolving Facility $ 61.5 $ 0.0