EMPLOYEE BENEFIT AND RETIREMENT PLANS - Amendment to Postretirement Purchase Plans (Details) - USD ($) $ in Thousands	5 Months Ended	7 Months Ended	12 Months Ended
	Jun. 30, 2021	Jan. 31, 2021	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	$ 15	$ 50
Interest cost	21	120
Amortization of prior service (credit)	(614)	(313)
Amortization of net loss	97	97
Total expense	$ (481)	$ (46)
Discount rate	2.69%	2.57%	2.69%	4.77%	2.73%
Amended Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost			$ 65
Interest cost			141
Amortization of prior service (credit)			(927)
Amortization of net loss			194
Total expense			$ (527)