v3.26.3
Property, plant and equipment - net - Schedule of property, plant and equipment (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Property, Plant, and Equipment [Abstract]    
Property, plant, and equipment - original cost $ 1,051.7 $ 881.2
Accumulated depreciation (380.7) (340.8)
Total Property, plant, and equipment - net $ 671.0 $ 540.4