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Operating Leases - Maturities (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Leases [Abstract]  
2019 $ 24.0
2020 22.0
2021 17.0
2022 13.0
2023 12.0
Later years 62.0
Total lease payments 150.0
Less: imputed interest (22.0)
Present value of lease liabilities $ 128.2