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Leases - Schedule of Future Undiscounted Cash Payments Related to Right of Use Assets (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Operating Lease Liabilities Payments Due [Abstract]  
2021 $ 12.0
2022 10.1
2023 8.9
2024 7.8
2025 5.7
Thereafter 23.1
Total $ 67.6