Commitments and Contingencies (Tables)

6 Months Ended

Mar. 31, 2019

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, 2019 and 2018 were as follows:

	Three Months Ended   March 31,						Six Months Ended   March 31,
	2019			2018			2019			2018
	(In millions)
Warranty liability, beginning of period	$	205.6		$	149.4		$	202.0		$	143.7
Warranties issued	21.0			19.3			38.9			35.8
Changes in liability for pre-existing warranties	6.0			13.7			11.5			20.5
Settlements made	(18.7		)	(19.8		)	(38.5		)	(37.4		)
Warranty liability, end of period	$	213.9		$	162.6		$	213.9		$	162.6

Changes in legal claims reserves

Changes in the Company’s legal claims reserves during the six months ended March 31, 2019 and 2018 were as follows:

	Six Months Ended   March 31,
	2019			2018
	(In millions)
Reserves for legal claims, beginning of period	$	408.1		$	420.6
Increase in reserves	23.3			41.4
Payments	(12.3		)	(18.4		)
Reserves for legal claims, end of period	$	419.1		$	443.6