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Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Schedule of Future Estimated Amortization Expense, Other Intangible Assets  
2021 $ 52.9
2022 42.9
2023 37.3
2024 32.1
2025 $ 28.1