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Retirement Benefit Plans - Net Plan Assets Recognized in the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Sep. 30, 2023
--- | --- | ---
Reconciliation of funded status: |  |
Plan assets less than projected benefit obligations | $ (2,512) | $ (3,151)
Amounts recognized in accumulated other comprehensive loss: |  |
Net loss | 3,599 | 4,504
Net amount recognized in the consolidated balance sheets | 1,087 | 1,353
Amounts recognized in the consolidated balance sheets are: |  |
Accumulated other comprehensive loss – pretax | 3,599 | 4,504
Accrued liabilities |  |
Amounts recognized in the consolidated balance sheets are: |  |
Liabilities | (47) | (46)
Pension liability |  |
Amounts recognized in the consolidated balance sheets are: |  |
Liabilities | $ (2,465) | $ (3,105)

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