SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023
Significant Accounting Policies [Line Items]
Restricted cash	$ 37.7		$ 36.9
Effective income tax rate, percentage	80.00%	34.10%
Change in enacted tax rate, amount		$ 24.3
Gross unrecognized tax benefits	$ 233.1		235.5
Unrecognized tax benefits that would impact effective tax rate	183.8
Unrecognized tax benefits, net	218.8		218.6
Interest and penalties expense	1.3	1.3
Gross accrued interest and penalties	34.4		$ 33.1
Reasonably possible decrease in UTBs (up to)	11.3
Russia Market Exit
Significant Accounting Policies [Line Items]
Pre-tax losses on net deferred income tax (liability) asset	$ (0.1)	$ (1.1)