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Borrowing Arrangements (Tables) | 6 Months Ended
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Mar. 31, 2022
Long-term Debt and Lease Obligation [Abstract] |
Components of Long-Term Debt | The components of our long-term debt are as follows:
| March 31, |  | September 30,
| 2022 |  | 2021
| (in millions)
4.0% Senior Notes | $ | 450.0 |  |  | $ | 450.0 |
Finance leases | 2.1 |  |  | 2.2 |
Total borrowings | 452.1 |  |  | 452.2 |
Less deferred financing costs | (5.0) |  |  | (5.3) |
Less current portion | (1.0) |  |  | (1.0) |
Long-term debt | $ | 446.1 |  |  | $ | 445.9 |

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