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Intangible Assets and Goodwill (Future Estimated Amortization Expense) (Details)
$ in Millions
Dec. 31, 2021
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2021 $ 232.0
2022 230.7
2023 224.2
2024 224.2
2025 224.2
Thereafter $ 1,946.7