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Supplemental Balance Sheet Information (Tables) | 3 Months Ended
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Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract] |
Schedule Of Selected Supplemental Balance Sheet Information [Table Text Block] | Selected supplemental asset information is presented below.
| December 31, |  | September 30,
| 2021 |  | 2021
| (in millions)
Inventories: |  |  |
Purchased components and raw material | $ | 125.9 |  |  | $ | 100.9 |
Work in process | 41.5 |  |  | 41.6 |
Finished goods | 42.3 |  |  | 42.2 |
Total inventories | $ | 209.7 |  |  | $ | 184.7 |
Other current assets: |  |  |
Prepaid expenses | $ | 13.8 |  |  | $ | 12.8 |
Non-trade receivables | 10.0 |  |  | 10.7 |
Maintenance and repair supplies and tooling | 2.7 |  |  | 2.9 |
Income taxes | 0.2 |  |  | 0.2 |
Workers’compensation reimbursement receivable | 0.8 |  |  | 0.8 |
Other current assets | 3.1 |  |  | 1.9 |
Total other current assets | $ | 30.6 |  |  | $ | 29.3 |
Property, plant and equipment: |  |  |
Land | $ | 5.5 |  |  | $ | 6.1 |
Buildings | 84.4 |  |  | 84.6 |
Machinery and equipment | 436.2 |  |  | 433.3 |
Construction in progress | 91.5 |  |  | 83.7 |
Total property, plant and equipment | 617.6 |  |  | 607.7 |
Accumulated depreciation | (330.7) |  |  | (324.3) |
Property, plant and equipment, net | $ | 286.9 |  |  | $ | 283.4 |
Other noncurrent assets: |  |  |
Operating lease right-of-use assets | $ | 26.4 |  |  | $ | 27.1 |
Maintenance and repair supplies and tooling | 19.8 |  |  | 19.3 |
Workers’ compensation reimbursement receivable | 2.7 |  |  | 2.7 |
Pension asset | 17.9 |  |  | 16.8 |
Note receivable | 1.8 |  |  | 1.8 |
Deferred financing fees | 1.2 |  |  | 1.3 |
Other noncurrent assets | 4.2 |  |  | 4.3 |
Total other noncurrent assets | $ | 74.0 |  |  | $ | 73.3 |
Schedule of Accrued Liabilities | Selected supplemental liability information is presented below.
| December 31, |  | September 30,
| 2021 |  | 2021
| (in millions)
Other current liabilities: |  |  |
Compensation and benefits | $ | 28.4 |  |  | $ | 44.6 |
Customer rebates | 27.4 |  |  | 19.6 |
Warranty accrual | 5.6 |  |  | 6.7 |
Deferred revenues | 7.4 |  |  | 5.4 |
Refund liability | 5.2 |  |  | 6.0 |
Taxes other than income taxes | 4.6 |  |  | 4.4 |
Operating lease liabilities | 3.6 |  |  | 4.0 |
Workers’ compensation accrual | 2.7 |  |  | 2.6 |
CARES Act payroll tax liabilities | 3.6 |  |  | 3.6 |
Restructuring liabilities | 3.1 |  |  | 3.1 |
Environmental liabilities | — |  |  | 1.2 |
Interest payable | 0.8 |  |  | 6.2 |
Income taxes payable | 10.8 |  |  | 8.5 |
Other current liabilities | 11.2 |  |  | 11.2 |
Total other current liabilities | $ | 114.4 |  |  | $ | 127.1 |
Other noncurrent liabilities: |  |  |
Operating lease liabilities | $ | 23.8 |  |  | $ | 24.6 |
Warranty accrual | 3.1 |  |  | 3.0 |
Transition tax liability | 4.7 |  |  | 4.7 |
Uncertain tax position liability | 4.6 |  |  | 4.8 |
NMTC liability | 3.9 |  |  | 3.9 |
Workers’ compensation accrual | 8.1 |  |  | 7.9 |
Asset retirement obligation | 3.6 |  |  | 3.6 |
CARES Act payroll tax liabilities | — |  |  | 3.6 |
Deferred development grant | 2.5 |  |  | 2.5 |
Other noncurrent liabilities | 2.8 |  |  | 3.4 |
Total other noncurrent liabilities | $ | 57.1 |  |  | $ | 62.0 |
Schedule of Goodwill | The following table summarizes information concerning our goodwill balance in the three months ended December 31, 2021, in millions.
Balance at September 30, 2021 | $ | 115.1 |
Acquisition purchase price adjustment | (0.2) |
Effects of changes in foreign currency exchange rates | 2.8 |
Balance at December 31, 2021 | $ | 117.7 |

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