v3.26.1
Retirement Plans (Schedule of Fair Value of Plan Assets Measured at NAV) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Defined Benefit Plan Disclosure [Line Items]        
Cost of products sold $ 327.6 $ 310.3 $ 892.0 $ 832.7