LEASES - Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Lease Cost:
Operating lease cost	$ 90.4	$ 87.1	$ 97.0
Short-term lease cost	1.2	0.8	2.3
Variable lease cost	39.3	49.5	53.4
Sublease income	(20.0)	(14.9)	(4.8)
Net lease cost	110.9	122.5	147.9
Other information:
Operating cash outflows from operating leases	(83.8)	(132.4)	(100.9)
Right-of-use assets obtained in exchange for lease obligations	$ 104.9	$ 27.8	$ 6.3
Weighted-average remaining lease term - real estate	7 years 7 months 6 days	6 years 4 months 24 days	6 years 10 months 24 days
Weighted-average discount rate - real estate leases	3.85%	3.57%	3.09%