GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Goodwill [Roll Forward]
Gross beginning balance	$ 7,945.8	$ 8,028.0
Accumulated impairments	(4,040.1)	(4,040.1)	$ (4,040.1)
Net beginning balance	3,905.7	3,987.9
Foreign currency translation	156.5	(82.2)
Gross ending balance	8,102.3	7,945.8	8,028.0
Net ending balance	4,062.2	3,905.7
Prestige
Goodwill [Roll Forward]
Gross beginning balance	6,214.6	6,279.2
Accumulated impairments	(3,110.3)	(3,110.3)	(3,110.3)
Net beginning balance	3,104.3	3,168.9
Foreign currency translation	125.5	(64.6)
Gross ending balance	6,340.1	6,214.6	6,279.2
Net ending balance	3,229.8	3,104.3
Consumer Beauty
Goodwill [Roll Forward]
Gross beginning balance	1,731.2	1,748.8
Accumulated impairments	(929.8)	(929.8)	(929.8)
Net beginning balance	801.4	819.0
Foreign currency translation	31.0	(17.6)
Gross ending balance	1,762.2	1,731.2	$ 1,748.8
Net ending balance	$ 832.4	$ 801.4