Commitments and Contingencies (Tables)

6 Months Ended

Mar. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Changes in warranty liability

Changes in the Company’s warranty liability during the three and six months ended March 31, 2021 and 2020 were as follows:

	Three Months Ended March 31,				Six Months Ended March 31,
	2021		2020		2021		2020
	(In millions)
Warranty liability, beginning of period	$	324.0	$	251.6	$	310.2	$	247.3
Warranties issued	36.3		24.5		69.7		45.6
Changes in liability for pre-existing warranties	1.1		5.6		3.7		8.4
Settlements made	(20.7)		(19.0)		(42.9)		(38.6)
Warranty liability, end of period	$	340.7	$	262.7	$	340.7	$	262.7

Changes in legal claims reserves

Changes in the Company’s legal claims reserves during the six months ended March 31, 2021 and 2020 were as follows:

	Six Months Ended March 31,
	2021		2020
	(In millions)
Reserves for legal claims, beginning of period	$	473.8	$	434.7
Increase in reserves	56.2		33.6
Payments	(5.6)		(26.1)
Reserves for legal claims, end of period	$	524.4	$	442.2