SEGMENT REPORTING - Reporting Segments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Net revenues	$ 1,385.6	$ 1,288.9	$ 4,754.6	$ 4,202.5
Operating income (loss)	77.8	43.5	512.0	414.7
Interest expense, net	60.4	58.8	190.3	185.7
Other expense (income), net	14.0	(156.9)	9.8	(397.0)
Income before income taxes	3.4	141.6	311.9	626.0
Operating Segments | Prestige
Segment Reporting Information [Line Items]
Net revenues	867.2	799.7	3,054.5	2,620.9
Operating income (loss)	108.7	102.4	531.0	437.3
Operating Segments | Consumer Beauty
Segment Reporting Information [Line Items]
Net revenues	518.4	489.2	1,700.1	1,581.6
Operating income (loss)	(13.3)	(27.9)	79.0	53.3
Operating Segments | Corporate
Segment Reporting Information [Line Items]
Operating income (loss)	$ (17.6)	$ (31.0)	$ (98.0)	$ (75.9)