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RETIREMENT PLANS (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Pension Plan |  |
Net periodic benefit (income) cost: |  |
Interest cost | $ 98 | $ 103
Expected return on plan assets | (200) | (192)
Amortization of net actuarial gain | 0 | 0
Net periodic benefit (income) cost | (102) | (89)
Other disclosures |  |
Estimated future contributions | 0 |
SERP |  |
Net periodic benefit (income) cost: |  |
Interest cost | 23 | 24
Expected return on plan assets | 0 | 0
Amortization of net actuarial gain | 0 | (21)
Net periodic benefit (income) cost | 23 | $ 3
Other disclosures |  |
Estimated future contributions | $ 76 |

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