EMPLOYEE BENEFIT PLANS - Defined Benefit Pension Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Rabbi trust assets	$ 66.4	$ 61.8
Benefit expense	3.8	3.7	$ 3.8
Benefit obligation	62.6	61.6	58.6
SORP | Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Benefit expense	3.5	3.5	3.4
Benefit obligation	57.6	56.4	53.4
SERP | Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Benefit expense	0.3	0.3	0.4
Benefit obligation	$ 5.0	$ 5.2	$ 5.2