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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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- Definition

The tax effect of actuarial losses recognized in accumulated other comprehensive income.

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Inflation rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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The long-term investment objective of the pension plan's investments in debt securities (as a percentage).

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The long-term investment objective of the pension plan's investments in equity securities (as a percentage).

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Guidelines pertaining to investment holdings for defined benefit plan assets.

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Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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