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Property, Plant and Equipment - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Line Items]      
Amounts of assets held under finance leases $ 286.1 $ 269.7  
Depreciation charges 32.1 31.0 $ 27.9
Impairment of property, plant and equipment 22.9 0.0 $ 0.0
Assets Held under Capital Leases [Member]      
Property, Plant and Equipment [Line Items]      
Amounts of assets held under finance leases $ 0.0 $ 0.0