Annual report [Section 13 and 15(d), not S-K Item 405]

Segment Information - Schedule of Property, Plant and Equipment and Deferred Income Tax Assets by Geographic Area (Detail)

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Segment Information - Schedule of Property, Plant and Equipment and Deferred Income Tax Assets by Geographic Area (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule of Property Plant and Equipment and Deferred Tax Assets [Line Items]      
Total property, plant, and equipment, net $ 447.7 $ 460.2 $ 506.5
Total deferred income tax assets 568.8 501.8 287.8
United States [Member]      
Schedule of Property Plant and Equipment and Deferred Tax Assets [Line Items]      
Total property, plant, and equipment, net 399.7 409.9 437.6
Total deferred income tax assets 297.5 273.2 209.1
Foreign [Member]      
Schedule of Property Plant and Equipment and Deferred Tax Assets [Line Items]      
Total property, plant, and equipment, net 48.0 50.3 68.9
Total deferred income tax assets $ 271.3 $ 228.6 $ 78.7