Supplemental Balance Sheet Information

6 Months Ended

Mar. 31, 2020

Balance Sheet Related Disclosures [Abstract]

Supplemental Balance Sheet Information

Selected supplemental asset information is presented below.

	March 31,		September 30,
	2020		2019
	(in millions)
Inventories:
Purchased components and raw material	$	103.9	$	95.2
Work in process	38.5		43.7
Finished goods	61.7		52.5
	$	204.1	$	191.4
Other current assets:
Prepaid expenses	$	10.8	$	9.6
Non-trade receivables	7.0		6.3
Maintenance and repair supplies and tooling	4.0		4.2
Income taxes	0.5		4.7
Other	0.6		1.2
	$	22.9	$	26.0
Property, plant and equipment:
Land	$	5.2	$	5.2
Buildings	64.6		68.9
Machinery and equipment	381.9		362.9
Construction in progress	69.3		48.0
	521.0		485.0
Accumulated depreciation	(282.0)		(267.9)
	$	239.0	$	217.1
Other noncurrent assets:
Operating lease right of use asset	$	26.7	$	—
Maintenance and repair supplies and tooling	17.2		16.4
Workers compensation reimbursement receivable	3.0		3.1
Note receivable	1.8		1.8
Other	3.2		2.6
	$	51.9	$	23.9