EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Retirement Benefits [Abstract]
Interest cost	$ 1,826	$ 911	$ 3,651	$ 1,707
Expected return on plan assets	(2,554)	(2,835)	(5,107)	(5,424)
Amortization:
Recognized actuarial loss	945	845	1,889	1,690
Net periodic expense (income)	$ 217	$ (1,079)	$ 433	$ (2,027)