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Leases - Operating Lease Maturities (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Leases [Abstract]  
2021 $ 11.8
2022 8.2
2023 6.3
2024 4.3
2025 3.3
Thereafter 16.7
Total lease payments 50.6
Less: imputed interest (8.2)
Total lease liabilities $ 42.4