RETIREMENT PLANS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Pension Plan
Net periodic benefit cost:
Interest cost	$ 103	$ 102	$ 308	$ 305
Expected return on plan assets	(192)	(167)	(575)	(500)
Amortization of net actuarial gain	0	0	0	0
Net periodic benefit (income) cost	(89)	(65)	(267)	(195)
Other disclosures
Estimated future Pension Plan contributions	0		0
SERP
Net periodic benefit cost:
Interest cost	24	22	72	66
Expected return on plan assets	0	0	0	0
Amortization of net actuarial gain	(21)	(20)	(64)	(60)
Net periodic benefit (income) cost	$ 3	$ 2	$ 8	$ 6