Supplemental Balance Sheet Information (Tabular)

12 Months Ended

Sep. 30, 2020

Balance Sheet Related Disclosures [Abstract]

Schedule Of Selected Supplemental Balance Sheet Information [Table Text Block]

Selected supplemental asset information is presented below.

	September 30,
	2020		2019
	(in millions)
Inventories:
Purchased components and raw material	$	87.3	$	95.2
Work in process	32.4		43.7
Finished goods	42.8		52.5
	$	162.5	$	191.4
Other current assets:
Prepaid expenses	$	10.9	$	9.6
Non-trade receivables	8.5		6.3
Income taxes	5.5		4.7
Maintenance and repair tooling	3.7		4.2
Other	0.4		1.2
	$	29.0	$	26.0
Property, plant and equipment:
Land	$	6.2	$	5.2
Buildings	80.4		68.9
Machinery and equipment	406.3		362.9
Construction in progress	57.4		48.0
	$	550.3	$	485.0
Accumulated depreciation	(296.5)		(267.9)
	$	253.8	$	217.1
Other noncurrent assets:
Operating lease right of use asset	$	25.6	$	—
Maintenance and repair supplies and tooling	17.5		16.4
Workers compensation reimbursement receivable	2.1		3.1
Note receivable	1.8		1.8
Pension asset	0.9		—
Other	3.4		2.6
	$	51.3	$	23.9

Schedule of Accrued Liabilities

Selected supplemental liability information is presented below.

	September 30,
	2020		2019
	(in millions)
Other current liabilities:
Compensation and benefits	$	35.5	$	28.5
Customer rebates	9.6		8.7
Interest	7.3		7.3
Warranty	7.2		6.5
Deferred revenues	5.6		4.7
Refund liability	4.3		3.3
Operating lease liabilities	4.0		—
Taxes other than income taxes	3.9		3.3
Restructuring and severance	2.8		1.7
Environmental	1.2		1.2
Income taxes	0.2		0.6
Accrued settlements	0.2		0.2
Walter tax liability	—		22.0
Other	4.8		5.0
	$	86.6	$	93.0
Other noncurrent liabilities:
Operating lease liabilities	$	23.3	$	—
Warranty	7.2		10.7
Transition tax	5.2		5.8
Unrecognized income tax benefits	4.5		3.3
Workers compensation	3.8		1.9
Asset retirement obligation	3.5		3.6
CARES Act deferred tax liabilities	3.3		—
Deferred development grant	2.5		—
Pension	—		5.0
Other	3.0		2.9
	$	56.3	$	33.2