EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Retirement Benefits [Abstract]
Interest cost	$ 796	$ 744
Expected return on plan assets	(2,589)	(2,544)
Amortization:
Recognized actuarial loss	845	1,573
Net periodic expense (income)	$ (948)	$ (227)