Warranties (Tables)

12 Months Ended

Sep. 30, 2019

Product Warranties Disclosures [Abstract]

Schedule of Changes in Warranty Liability and Unearned Extended Warranty Premiums

Changes in the Company’s service-type warranties were as follows (in millions):

	Fiscal Year Ended September 30,
	2019			2018
Balance at beginning of period	$	30.7		$	30.8
Adoption of ASC 606		35.7			—
Deferred revenue for new service-type warranties		27.5			12.7
Amortization of deferred revenue		(25.2	)		(14.2	)
Changes in liability for pre-existing warranties, net		—			1.8
Foreign currency translation		(0.5	)		(0.4	)
Balance at end of period	$	68.2		$	30.7

Changes in the Company’s assurance-type warranty liability were as follows (in millions):

	Fiscal Year Ended September 30,
	2019			2018
Balance at beginning of year	$	75.3		$	68.0
Adoption of ASC 606		(14.4	)		—
Warranty provisions		55.5			56.6
Settlements made		(50.2	)		(49.8	)
Changes in liability for pre-existing warranties, net		(0.8	)		0.6
Foreign currency translation		(0.3	)		(0.1	)
Balance at end of year	$	65.1		$	75.3