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Supplemental Balance Sheet | 12 Months Ended
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Sep. 30, 2023
Statement of Financial Position [Abstract] |
Supplemental Balance Sheet - Schedules of Assets | Selected supplemental asset information is presented below.
| September 30,
| 2023 |  | 2022
| (in millions)
Inventories, net: |  |  |
Purchased components and raw materials | $ | 176.9 |  |  | $ | 181.8 |
Work in process | 60.0 |  |  | 56.8 |
Finished goods | 61.0 |  |  | 40.1 |
Total inventories, net | $ | 297.9 |  |  | $ | 278.7 |
Other current assets: |  |  |
Prepaid expenses | $ | 17.8 |  |  | $ | 14.6 |
Non-trade receivables | 1.7 |  |  | 1.6 |
Income taxes | 0.8 |  |  | 0.8 |
Maintenance and repair supplies and tooling | 4.1 |  |  | 2.8 |
Workers’ compensation reimbursement receivable | 2.2 |  |  | 2.3 |
Other current assets | 4.9 |  |  | 4.7 |
Total other current assets | $ | 31.5 |  |  | $ | 26.8 |
Property, plant and equipment, net: |  |  |
Land | $ | 6.4 |  |  | $ | 5.7 |
Buildings | 117.2 |  |  | 87.6 |
Machinery and equipment | 525.8 |  |  | 456.0 |
Construction in progress | 36.9 |  |  | 104.7 |
Total property, plant and equipment | $ | 686.3 |  |  | $ | 654.0 |
Accumulated depreciation | (374.6) |  |  | (352.4) |
Total property, plant and equipment, net | $ | 311.7 |  |  | $ | 301.6 |
Other noncurrent assets: |  |  |
Operating lease right-of-use assets | $ | 23.6 |  |  | $ | 26.0 |
Maintenance and repair supplies and tooling | 21.1 |  |  | 20.4 |
Workers’ compensation reimbursement receivable | 2.4 |  |  | 3.6 |
Note receivable | 1.8 |  |  | 1.7 |
Pension asset | 6.6 |  |  | 0.6 |
Deferred financing fees | 0.7 |  |  | 1.0 |
Other noncurrent assets | 2.6 |  |  | 3.4 |
Total noncurrent assets | $ | 58.8 |  |  | $ | 56.7 |
Supplemental Balance Sheet - Schedule of Liabilities | Selected supplemental liability information is presented below.
| September 30,
| 2023 |  | 2022
| (in millions)
Other current liabilities: |  |  |
Compensation and benefits | $ | 33.8 |  |  | $ | 40.2 |
Customer rebates | 14.6 |  |  | 16.2 |
Interest payable | 5.3 |  |  | 5.3 |
Warranty accrual | 8.6 |  |  | 6.5 |
Deferred revenues | 9.2 |  |  | 8.1 |
Returned goods accrual | 6.7 |  |  | 4.2 |
Operating lease liabilities | 4.9 |  |  | 4.4 |
Taxes other than income taxes | 2.0 |  |  | 4.4 |
Restructuring liabilities | 6.6 |  |  | 3.3 |
Income taxes payable | 8.5 |  |  | 7.5 |
Workers’ compensation accrual | 4.0 |  |  | 4.6 |
CARES Act payroll tax liabilities | — |  |  | 4.4 |
Other current liabilities | 11.0 |  |  | 8.3 |
Total current liabilities | $ | 115.2 |  |  | $ | 117.4 |
Other noncurrent liabilities: |  |  |
Operating lease liabilities | $ | 19.8 |  |  | $ | 22.4 |
Warranty accrual | 7.1 |  |  | 4.2 |
Transition tax liability | 3.1 |  |  | 4.1 |
Uncertain tax position liability | 5.0 |  |  | 4.7 |
Workers' compensation accrual | 5.9 |  |  | 6.5 |
NMTC liability | 3.9 |  |  | 3.9 |
Asset retirement obligation | 4.2 |  |  | 4.2 |
Deferred development grant | 2.5 |  |  | 2.5 |
Other noncurrent liabilities | 2.7 |  |  | 2.9 |
Total noncurrent liabilities | $ | 54.2 |  |  | $ | 55.4 |

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