v3.25.1
Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Sep. 30, 2024
Inventory [Abstract]    
Raw materials and supplies $ 66.6 $ 57.3
Work in process 0.0 0.0
Finished products 318.7 228.8
Inventories $ 385.3 $ 286.1