INCOME TAXES - Components of Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Current:
U.S. Federal	$ 148.8	$ 205.8	$ 143.2
Foreign	45.3	63.9	45.4
U.S. State	30.3	29.4	26.5
Total current	224.4	299.0	215.1
Deferred:
U.S. Federal	10.3	(89.4)	(23.7)
Foreign	(15.1)	(25.6)	(29.3)
U.S. State	(0.4)	(4.7)	2.2
Total deferred	(5.2)	(119.7)	(50.8)
Total Provision for income taxes	$ 219.2	$ 179.3	$ 164.3