v3.24.1.u1
Property, net (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Sep. 30, 2023
Property, Plant and Equipment [Abstract]    
Property, at cost $ 4,031.2 $ 3,769.4
Accumulated depreciation (1,886.1) (1,748.0)
Property, net $ 2,145.1 $ 2,021.4