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Borrowing Arrangements (Components Of Long-Term Debt) (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Sep. 30, 2023 | May 28, 2021
--- | --- | --- | ---
Total debt | $ 452.7 | $ 451.3 |
Less deferred financing costs | 4.5 |  |
Current portion of long-term debt | 0.8 | 0.7 |
Long-term debt | 448.7 | 446.7 |
Unsecured Debt [Member] |  |  |
Senior notes | 450.0 | 450.0 |
Total debt |  |  | $ 450.0
Less deferred financing costs | 3.2 | 3.9 |
Other [Member] |  |  |
Finance leases | $ 2.7 | $ 1.3 |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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