v3.26.1
Property, net (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Sep. 30, 2025
Property, Plant, and Equipment [Abstract]    
Property, at cost $ 4,997.8 $ 4,955.3
Accumulated depreciation (2,349.0) (2,256.6)
Property, net $ 2,648.8 $ 2,698.7