SHARE-BASED COMPENSATION PLANS - Restricted Share Units Activity & Performance Restricted Stock Units (Details) shares in Millions, $ in Millions	12 Months Ended
	Jun. 30, 2025 USD ($) shares
Restricted Stock Units
Shares
Outstanding, beginning balance (in shares)	22.1
Granted (in shares)	3.9
Settled (in shares)	(6.1)
Cancelled (in shares)	(0.8)
Outstanding, ending balance (in shares)	19.1
Vested and expected to vest (in shares)	16.5
Vested and expected to vest, aggregate intrinsic value | $	$ 76.6
Vested and expected to vest, weighted average remaining contractual term	2 years 5 months 8 days
Performance Restricted Stock Units
Shares
Outstanding, beginning balance (in shares)	5.1
Granted (in shares)	4.1
Settled (in shares)	0.0
Cancelled (in shares)	(0.2)
Outstanding, ending balance (in shares)	9.0
Vested and expected to vest (in shares)	1.7
Vested and expected to vest, aggregate intrinsic value | $	$ 7.8
Vested and expected to vest, weighted average remaining contractual term	10 months 24 days