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Leases - Summary of Maturities of Operating Lease Liabilities (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 12.1
2021 10.2
2022 8.3
2023 6.0
2024 4.5
Thereafter 16.5
Total lease payments 57.6
Less: imputed interest (9.6)
Present value of lease liabilities $ 48.0