Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Net Estimated Aggregate Future Amortization Expense for Intangible Assets (Detail)

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Goodwill and Other Intangible Assets - Net Estimated Aggregate Future Amortization Expense for Intangible Assets (Detail) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Finite-Lived Intangible Assets, Net [Abstract]    
For the nine months ended December 31, 2022 $ 0.6  
For the twelve months ended December 31, 2023 2.5  
For the twelve months ended December 31, 2024 2.5  
For the twelve months ended December 31, 2025 1.9  
For the twelve months ended December 31, 2026 1.5  
Thereafter 0.0  
Total $ 9.0 $ 10.7