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Borrowing Arrangements (Tables) | 3 Months Ended
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Dec. 31, 2024
Long-Term Debt and Lease Obligation [Abstract] |
Components of Long-Term Debt | The components of our long-term debt are as follows:
| December 31, |  | September 30,
| 2024 |  | 2024
| (in millions)
4.0% Senior Notes | $ | 450.0 |  |  | $ | 450.0 |
Finance leases | 2.5 |  |  | 2.7 |
Total debt | 452.5 |  |  | 452.7 |
Less: deferred financing costs | 3.0 |  |  | 3.2 |
Less: current portion of long-term debt | 0.8 |  |  | 0.8 |
Long-term debt | $ | 448.7 |  |  | $ | 448.7 |

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