SEGMENT REPORTING - Reporting Segments (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Net revenues	$ 6,118.0	$ 5,554.1	$ 5,304.4
Depreciation and amortization	421.1	426.7	516.4
Operating income from continuing operations	546.7	543.7	240.9
Interest expense, net	252.0	257.9	224.0
Other expense (income), net	90.2	(419.0)	(409.9)
Income (loss) from continuing operations before income taxes	204.5	704.8	426.8
Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	421.1	426.7	516.4
Operating Segments | Prestige
Segment Reporting Information [Line Items]
Net revenues	3,857.3	3,420.5	3,267.9
Operating income from continuing operations	580.7	483.7	367.2
Operating Segments | Prestige | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	258.9	262.4	313.4
Operating Segments | Consumer Beauty
Segment Reporting Information [Line Items]
Net revenues	2,260.7	2,133.6	2,036.5
Operating income from continuing operations	89.3	63.3	9.5
Operating Segments | Consumer Beauty | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	162.2	164.3	203.0
Operating Segments | Corporate
Segment Reporting Information [Line Items]
Operating income from continuing operations	$ (123.3)	$ (3.3)	$ (135.8)