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PENSION PLAN (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Long-term investment objective, equities | 65.00% |
Long-term investment objective, debt | 35.00% |
Funding guidelines, description | Asset rebalancing is performed at least annually, with interim adjustments made when the investment mix varies more than 5% from the target (i.e., a 10% target range). |
Weighted average discount rate used to calculate net periodic pension cost | 3.00% | 2.75%
Weighted average discount rate | 5.25% | 3.00%
Expected long-term rate of return on assets | 6.00% |
Inflation rate | 2.50% |
Actuarial losses | $ 956 | $ 1,167
Actuarial losses, income tax effects | $ 288 | $ 351
Minimum [Member] |  |
Expected long-term rate of return on assets | 5.00% |
Minimum [Member] | Equity Securities [Member] |  |
Expected long-term rate of return on assets | 6.00% |
Target asset allocation | 50.00% |
Minimum [Member] | Fixed Income Securities [Member] |  |
Expected long-term rate of return on assets | 3.00% |
Minimum [Member] | Debt Securities [Member] |  |
Target asset allocation | 25.00% |
Maximum [Member] |  |
Expected long-term rate of return on assets | 7.00% |
Maximum [Member] | Equity Securities [Member] |  |
Expected long-term rate of return on assets | 8.00% |
Target asset allocation | 75.00% |
Maximum [Member] | Fixed Income Securities [Member] |  |
Expected long-term rate of return on assets | 5.00% |
Maximum [Member] | Debt Securities [Member] |  |
Target asset allocation | 50.00% |

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