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Intangible Assets and Goodwill - Estimated Amortization Expense (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]    
2023 (excluding the nine months ended September 30, 2023) $ 32.7  
2024 130.7  
2025 130.6  
2026 130.5  
2027 120.4  
Thereafter 147.3  
Finite-lived intangible assets, net $ 692.2 $ 793.9