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Goodwill and Intangible Assets - Summary of Amortization Expense (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2021 $ 99.2
2022 83.8
2023 65.9
2024 54.1
2025 41.1
Thereafter 100.8
Total estimated amortization expense $ 444.9