PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023
Schedule of Prepaid Expenses and Other Current Assets [Line Items]
Value added tax, sales and other non-income tax assets	$ 99.4	$ 60.2
Expected income tax refunds, credits and prepaid income taxes	101.4	102.4
Prepaid marketing, copyright and agency fees	94.4	88.7
Non-trade receivables	21.4	18.4
Prepaid rent, leases, maintenance and insurance	18.8	17.5
Interest rate swap asset	0.0	2.8
Forward Repurchase Contracts Asset	29.1	137.6
Other	32.7	55.4
Total prepaid expenses and other current assets	437.2	553.6
Related Party
Schedule of Prepaid Expenses and Other Current Assets [Line Items]
Due from related party	$ 40.0	$ 70.6