SEGMENT REPORTING - Reporting Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Net revenues	$ 1,727.6	$ 1,523.6	$ 3,369.0	$ 2,913.6
Operating income (loss)	236.7	199.3	434.2	371.2
Interest expense, net	60.1	61.0	129.9	126.9
Other income, net	(80.8)	(141.9)	(4.2)	(240.1)
Income before income taxes	257.4	280.2	308.5	484.4
Operating Segments | Prestige
Segment Reporting Information [Line Items]
Net revenues	1,122.6	957.7	2,187.3	1,821.2
Operating income (loss)	200.6	164.4	422.2	335.0
Operating Segments | Consumer Beauty
Segment Reporting Information [Line Items]
Net revenues	605.0	565.9	1,181.7	1,092.4
Operating income (loss)	60.4	49.4	92.4	81.1
Operating Segments | Corporate
Segment Reporting Information [Line Items]
Operating income (loss)	$ (24.3)	$ (14.5)	$ (80.4)	$ (44.9)