Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2022

Sales And Revenue Recognition [Abstract]

Schedule of Impact Due to Contract Adjustments

Contract adjustments impacted the Company’s results as follows (in millions, except per share amounts):

	Year Ended December 31,			Three Months Ended December 31, (transition period)			Year Ended September 30,
	2022			2021			2021		2020
Net sales	$	(33.9	)	$	(0.1	)	$	13.1	$	31.2
Operating income		(46.2	)		(7.7	)		19.4		16.2
Net income		(35.4	)		(5.9	)		14.9		12.4
Diluted earnings per share	$	(0.54	)	$	(0.09	)	$	0.21	$	0.18

Schedule of Deferred Contract Related Costs

Deferred contract related costs, the majority of which are related to the NGDV contract, consisted of the following (in millions):

	December 31,				September 30,
	2022		2021		2021
Costs for anticipated contracts	$	6.8	$	4.9	$	4.8
Engineering costs		256.1		60.0		42.3
Factory setup costs		16.4		4.1		2.2
Customer-owned tooling		136.5		4.2		1.3
Deferred contract related costs	$	415.8	$	73.2	$	50.6

Disaggregation of Revenue

Consolidated net sales disaggregated by segment and timing of revenue recognition are as follows (in millions):

	Year Ended December 31, 2022
	Access Equipment		Defense		Fire & Emergency		Commercial		Corporate and Intersegment Eliminations			Total
Point in time	$	3,923.4	$	13.0	$	1,086.8	$	670.4	$	(7.1	)	$	5,686.5
Over time		48.7		2,128.3		24.8		393.7		—			2,595.5
	$	3,972.1	$	2,141.3	$	1,111.6	$	1,064.1	$	(7.1	)	$	8,282.0

	Three Months Ended December 31, 2021 (transition period)
	Access Equipment		Defense		Fire & Emergency		Commercial		Corporate and Intersegment Eliminations			Total
Point in time	$	818.8	$	4.0	$	214.7	$	135.8	$	(2.7	)	$	1,170.6
Over time		14.7		527.5		3.9		74.8		0.2			621.1
	$	833.5	$	531.5	$	218.6	$	210.6	$	(2.5	)	$	1,791.7

	Year Ended September 30, 2021
	Access Equipment		Defense		Fire & Emergency		Commercial		Corporate and Intersegment Eliminations			Total
Point in time	$	3,006.9	$	43.5	$	1,205.9	$	532.8	$	(25.1	)	$	4,764.0
Over time		65.2		2,482.1		20.7		404.8		0.5			2,973.3
	$	3,072.1	$	2,525.6	$	1,226.6	$	937.6	$	(24.6	)	$	7,737.3

	Year Ended September 30, 2020
	Access Equipment		Defense		Fire & Emergency		Commercial		Corporate and Intersegment Eliminations			Total
Point in time	$	2,437.5	$	34.8	$	1,085.1	$	556.7	$	(36.0	)	$	4,078.1
Over time		77.6		2,276.7		21.9		401.1		1.4			2,778.7
	$	2,515.1	$	2,311.5	$	1,107.0	$	957.8	$	(34.6	)	$	6,856.8

Schedule of Contract Liabilities and Revenue Recognized

Contract liabilities consisted of the following (in millions):

	December 31,				September 30,
	2022		2021		2021
Customer advances	$	696.7	$	690.9	$	654.3
Other current liabilities		77.4		81.9		82.0
Long-term customer advances		1,020.5		207.0		118.7
Other long-term liabilities		66.8		54.9		56.5
Total contract liabilities	$	1,861.4	$	1,034.7	$	911.5

	Year Ended December 31,		Three Months Ended December 31, (transition period)		Year Ended September 30,
	2022		2021		2021		2020
Beginning liabilities recognized in revenue	$	436.9	$	126.9	$	521.7	$	441.0

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

Schedule of Classification of Service-type Warranties in Consolidated Balance Sheets

Classification of service-type warranties in the Consolidated Balance Sheets consisted of the following (in millions):

	December 31,				September 30,
	2022		2021		2021
Other current liabilities	$	26.8	$	22.3	$	21.8
Other long-term liabilities		49.3		44.6		44.0
	$	76.1	$	66.9	$	65.8