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Goodwill and Other Identifiable Intangible Assets - Estimated Future Amortization Expense for Identifiable Intangible Assets (Detail)
$ in Millions
Dec. 31, 2022
USD ($)
Expected Amortization Expense  
Estimated amortization expense 2023 $ 54.6
Estimated amortization expense 2024 54.1
Estimated amortization expense 2025 54.1
Estimated amortization expense 2026 52.8
Estimated amortization expense 2027 $ 51.5