Product Warranty Obligations (Tables)

6 Months Ended

Mar. 31, 2019

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

Changes in product warranty obligations are (in millions):

	Six Months Ended March 31,
	2019			2018
Balance at beginning of period	$	27.9		$	28.5
Accruals for warranties issued during the current period	11.0			12.9
Adjustments to pre-existing warranties	(4.3		)	2.7
Settlements of warranty claims	(9.3		)	(11.9		)
Balance at end of period	$	25.3		$	32.2