LEASES - Lease cost (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Lease Cost:
Operating lease cost	$ 19.2	$ 20.9
Short-term lease cost	0.2	0.3
Variable lease cost	8.6	8.9
Sublease income	(3.8)	(5.3)
Net lease cost	24.2	24.8
Other information:
Operating cash outflows from operating leases	(21.7)	(22.5)
Right-of-use assets obtained in exchange for lease obligations	$ 7.6	$ 8.4
Weighted-average remaining lease term - real estate	7 years 7 months 6 days	6 years 4 months 24 days
Weighted-average discount rate - real estate leases	4.02%	3.53%