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Other Intangible Assets, Net - Schedule of Estimated Amortization Expense for Intangible Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Goodwill And Intangible Assets Disclosure [Abstract]    
2021 (remaining six months) $ 26.6  
2022 40.5  
2023 27.6  
2024 23.0  
2025 21.8  
Thereafter 45.6  
Net Carrying Value $ 185.1 $ 186.3