XML 84 R65.htm IDEA: XBRL DOCUMENT v3.25.3
Commitments and Contingencies - Warranty Liability (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Changes in warranty liability    
Warranty liability, beginning of year $ 566.9 $ 512.4
Warranties issued 188.8 210.6
Changes in liability for pre-existing warranties (68.5) (36.0)
Settlements made (121.0) (120.1)
Warranty liability, end of year $ 566.2 $ 566.9