Warranties (Tables)

12 Months Ended

Dec. 31, 2022

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):

	Year Ended December 31,			Three Months Ended December 31, (transition period)			Year Ended September 30,
	2022			2021			2021			2020
Balance at beginning of period	$	66.9		$	65.8		$	64.4		$	68.2
Deferred revenue for new service warranties		31.5			6.4			26.2			23.6
Amortization of deferred revenue		(21.7	)		(5.3	)		(25.0	)		(27.9	)
Foreign currency translation		(0.6	)		—			0.2			0.5
Balance at end of period	$	76.1		$	66.9		$	65.8		$	64.4

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

	Year Ended December 31,			Three Months Ended December 31, (transition period)			Year Ended September 30,
	2022			2021			2021			2020
Balance at beginning of period	$	65.7		$	69.0		$	67.4		$	65.1
Warranty provisions		49.3			10.8			50.1			43.1
Settlements made		(57.7	)		(14.6	)		(65.0	)		(55.9	)
Changes in liability for pre-existing warranties, net		1.5			0.5			16.2			14.8
Foreign currency translation		(0.2	)		—			—			0.3
Acquisition		0.2			—			0.3			—
Balance at end of period	$	58.8		$	65.7		$	69.0		$	67.4