EMPLOYEE BENEFIT PLANS - Other Post-retirement Benefit Plan (Details) - Executive Retiree Health Insurance Plan - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, maximum age eligibility	65 years
Benefit expense	$ 0.8	$ 0.6	$ 0.3
Benefit obligation	$ 4.7	$ 5.4	$ 4.7