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Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Schedule of Future Estimated Amortization Expense, Other Intangible Assets  
2020 $ 55.9
2021 46.2
2022 38.2
2023 33.9
2024 $ 31.0