v3.26.1
Payables and Accruals (Details) - USD ($)
$ in Millions
6 Months Ended
Mar. 31, 2026
Sep. 30, 2025
Payables and Accruals [Abstract]    
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] Other liabilities Other current liabilities
Supplier Finance Program, Obligation $ 15.5 $ 13.8
Supplier Finance Program, Obligation, Addition 40.1  
Supplier Finance Program, Obligation, Settlement $ (38.4)