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Other Expenses | 12 Months Ended
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Sep. 30, 2023
Other Expenses [Abstract] |
Other Expenses | Other Expenses Other expenses consisted of the following, for the periods indicated.
| Year Ended September 30,
(in millions) | 2023 |  | 2022 |  | 2021
Non-income taxes | $ | 16.8 |  |  | $ | 13.5 |  |  | $ | 14.8 |
Insurance | 11.1 |  |  | 10.8 |  |  | 7.1 |
Employee related expenses | 10.1 |  |  | 9.6 |  |  | 7.0 |
Other direct business expenses | 14.8 |  |  | 10.0 |  |  | 6.3 |
Membership fees | 3.4 |  |  | 3.3 |  |  | 2.8 |
Director and public company expenses | 2.3 |  |  | 1.8 |  |  | 1.5 |
Office expenses | 1.9 |  |  | 1.7 |  |  | 1.3 |
Other expenses | 6.0 |  |  | 9.9 |  |  | 5.5 |
Total other expenses | $ | 66.4 |  |  | $ | 60.6 |  |  | $ | 46.3 |
During the quarter ended December 31, 2021, the Company modified its Other expenses presentation to better explain its current entities and businesses. Prior year values have been adjusted to reflect this format, but total Other expenses has not changed within this footnote or the consolidated income statements.

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 610 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//610/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 720 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//720/tableOfContent + Details
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