LEASES - Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Lease Cost:
Operating lease cost	$ 74.5	$ 76.2	$ 90.4
Short-term lease cost	3.4	0.9	1.2
Variable lease cost	41.7	40.3	39.3
Sublease income	(16.7)	(15.8)	(20.0)
Net lease cost	102.9	101.6	110.9
Other information:
Operating cash outflows from operating leases	(72.0)	(73.8)	(83.8)
Right-of-use assets obtained in exchange for lease obligations	$ 32.6	$ 25.7	$ 104.9
Weighted-average remaining lease term - real estate	6 years 9 months 18 days	7 years 2 months 12 days	7 years 7 months 6 days
Weighted-average discount rate - real estate leases	4.52%	4.13%	3.85%