SEGMENT REPORTING - Schedule of Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Number Of Reportable Segments Not Disclosed Flag			true
Net revenues	$ 1,678.6	$ 1,669.9	$ 3,255.8	$ 3,341.4
Cost of sales	608.0	555.7	1,168.4	1,132.6
Advertising and consumer promotion costs	455.2	445.2	864.5	862.0
Other segment items	467.2	400.8	889.7	840.8
Operating income (loss)	148.2	268.2	333.2	506.0
Interest expense, net	41.4	54.4	88.0	116.2
Other expense, net	275.4	157.2	306.7	200.5
Loss before income taxes	(168.6)	56.6	(61.5)	189.3
Depreciation and amortization	130.1	105.6	225.0	210.2
Operating Segments | Prestige
Segment Reporting Information [Line Items]
Net revenues	1,133.6	1,116.1	2,203.1	2,230.2
Cost of sales	336.1	314.6	657.1	642.3
Advertising and consumer promotion costs	335.1	328.1	613.1	598.8
Other segment items	280.5	251.1	542.1	525.3
Operating income (loss)	181.9	222.3	390.8	463.8
Depreciation and amortization	93.0	65.8	151.7	131.9
Operating Segments | Consumer Beauty
Segment Reporting Information [Line Items]
Net revenues	545.0	553.8	1,052.7	1,111.2
Cost of sales	265.2	239.8	504.6	489.0
Advertising and consumer promotion costs	120.1	117.1	251.4	263.2
Other segment items	141.4	132.8	286.1	280.9
Operating income (loss)	18.3	64.1	10.6	78.1
Depreciation and amortization	37.1	38.4	73.3	76.9
Operating Segments | Corporate
Segment Reporting Information [Line Items]
Net revenues	0.0	0.0	0.0	0.0
Cost of sales	6.7	1.3	6.7	1.3
Advertising and consumer promotion costs	0.0	0.0	0.0	0.0
Other segment items	45.3	16.9	61.5	34.6
Operating income (loss)	(52.0)	(18.2)	(68.2)	(35.9)
Depreciation and amortization	$ 0.0	$ 1.4	$ 0.0	$ 1.4