LEASES - Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Lease Cost:
Operating lease cost	$ 74.4	$ 74.5	$ 76.2
Short-term lease cost	3.3	3.4	0.9
Variable lease cost	44.4	41.7	40.3
Sublease income	(13.4)	(16.7)	(15.8)
Net lease cost	108.7	102.9	101.6
Other information:
Operating cash outflows from operating leases	(69.3)	(72.0)	(73.8)
Right-of-use assets obtained in exchange for lease obligations	$ 60.9	$ 32.6	$ 25.7
Weighted-average remaining lease term - real estate	6 years 2 months 12 days	6 years 9 months 18 days	7 years 2 months 12 days
Weighted-average discount rate - real estate leases	4.29%	4.52%	4.13%