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Supplemental Balance Sheet Information (Tables) | 9 Months Ended
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Jun. 30, 2018
Balance Sheet Related Disclosures [Abstract] |
Schedule Of Selected Supplemental Balance Sheet Information [Table Text Block] | ental balance sheet information is presented below.
| June 30, |  | September 30,
| 2018 |  | 2017
| (in millions)
Inventories: |  |  |
Purchased components and raw material | $ | 80.1 |  |  | $ | 67.7 |
Work in process | 38.6 |  |  | 35.6 |
Finished goods | 37.4 |  |  | 35.6 |
| $ | 156.1 |  |  | $ | 138.9 |
Other current assets: |  |  |
Maintenance and repair tooling | $ | 3.4 |  |  | $ | 3.3 |
Income taxes | 3.5 |  |  | 10.9 |
Other | 13.3 |  |  | 10.2 |
| $ | 20.2 |  |  | $ | 24.4 |
Property, plant and equipment: |  |  |
Land | $ | 5.4 |  |  | $ | 5.6 |
Buildings | 54.5 |  |  | 53.4 |
Machinery and equipment | 289.7 |  |  | 266.7 |
Construction in progress | 18.8 |  |  | 24.7 |
| 368.4 |  |  | 350.4 |
Accumulated depreciation | (239.4 | ) |  | (228.1 | )
| $ | 129.0 |  |  | $ | 122.3 |
Other current liabilities: |  |  |
Compensation and benefits | $ | 29.4 |  |  | $ | 26.9 |
Customer rebates | 7.9 |  |  | 6.5 |
Taxes other than income taxes | 3.6 |  |  | 3.2 |
Warranty | 8.8 |  |  | 3.5 |
Income taxes | 0.6 |  |  | 0.9 |
Environmental | 1.2 |  |  | 1.3 |
Interest | 1.8 |  |  | 0.6 |
Restructuring | 1.4 |  |  | 3.3 |
Other | 8.1 |  |  | 7.3 |
| $ | 62.8 |  |  | $ | 53.5 |

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