EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Retirement Benefits [Abstract]
Interest cost	$ 1,826	$ 943	$ 5,477	$ 2,650
Expected return on plan assets	(2,553)	(2,905)	(7,660)	(8,329)
Amortization:
Recognized actuarial loss	944	844	2,833	2,534
Net periodic expense (income)	$ 217	$ (1,118)	$ 650	$ (3,145)