SHARE-BASED COMPENSATION PLANS - Series A Preferred Stock Narrative (Details) - Series A Preferred Stock - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement (income) expense	$ 0.2	$ (0.2)	$ 0.8
Nonqualified stock options contractual life	7 years