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Other Operating Income, Net (Tables) | 12 Months Ended
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Sep. 30, 2018
Component of Operating Income [Abstract] |
Other Operating Income, Net | Other operating income, net, comprises the following:
| 2018 |  | 2017 |  | 2016
Finance charges | $ | 16.4 |  |  | $ | 11.8 |  |  | $ | 15.2 |
AFUDC associated with pipeline projects | — |  |  | 5.5 |  |  | 3.3 |
Interest and interest-related income | 3.2 |  |  | 1.7 |  |  | 0.2 |
Utility non-tariff service income | 2.8 |  |  | 1.5 |  |  | 2.6 |
Loss on private equity partnership investment | — |  |  | (11.0 | ) |  | — |
Gains (losses) on sales of fixed assets, net | 5.3 |  |  | (3.9 | ) |  | 3.3 |
Other, net | 3.6 |  |  | 4.9 |  |  | (2.2 | )
Total other operating income, net | $ | 31.3 |  |  | $ | 10.5 |  |  | $ | 22.4 |

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