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Goodwill And Intangible Assets (Future Amortization Expense) (Detail)
$ in Millions
Mar. 31, 2022
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2022 $ 32.0
2023 42.0
2024 41.2
2025 35.7
2026 and after $ 230.8