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Leases - Schedule of Future Minimum Lease Payments for Operating Leases (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Leases [Abstract]      
Remainder of 2020 $ 4.7    
2021 8.6    
2022 5.8    
2023 3.7    
2024 2.5    
Thereafter 1.8    
Total 27.1    
Less: interest (2.0)    
Total lease liabilities $ 25.1   $ 28.4
Total   $ 11.9