Commitments and Contingencies (Tables)

12 Months Ended

Sep. 30, 2025

Commitments and Contingencies Disclosure [Abstract]

Changes in warranty liability

Changes in the Company’s warranty liability during fiscal 2025 and 2024 were as follows:

	September 30,
	2025		2024
	(In millions)
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

Rollforward of reserves for legal claims

Changes in the Company’s legal claims reserves during fiscal 2025 and 2024 were as follows:

	September 30,
	2025		2024
	(In millions)
Reserves for legal claims, beginning of year	$	949.6	$	858.9
Increase in reserves	262.7		169.7
Payments	(68.7)		(79.0)
Reserves for legal claims, end of year	$	1,143.6	$	949.6

Lessee, Operating Lease, Liability, Maturity

At September 30, 2025, the future minimum annual lease payments under these agreements are as follows (in millions):

Fiscal 2026	$	29.0
Fiscal 2027	19.3
Fiscal 2028	11.5
Fiscal 2029	6.8
Fiscal 2030	4.3
Thereafter	1.0
	$	71.9