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Goodwill and Intangible Assets - Amortization Expense (Details)
$ in Millions
Mar. 31, 2021
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2021 $ 217.9
2022 289.9
2023 289.3
2024 279.8
2025 $ 277.1