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v3.23.1

Borrowing Arrangements (Components Of Long-Term Debt) (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Sep. 30, 2022
--- | --- | ---
Deferred financing costs | $ (4.2) | $ (4.7)
Current portion of long-term debt | (0.9) | (0.8)
Long-term debt | 446.6 | 446.1
Unsecured Debt [Member] |  |
5.5% Senior Notes | 450.0 | 450.0
Other [Member] |  |
Finance Lease, Liability | $ 1.7 | $ 1.6

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