GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Goodwill [Roll Forward]
Gross beginning balance	$ 8,028.0	$ 7,954.8
Accumulated impairments	(4,040.1)	(4,040.1)	$ (4,040.1)
Net beginning balance	3,987.9	3,914.7
Foreign currency translation	(82.2)	73.2
Gross ending balance	7,945.8	8,028.0	7,954.8
Accumulated impairments	(4,040.1)	(4,040.1)	(4,040.1)
Net ending balance	3,905.7	3,987.9
Prestige
Goodwill [Roll Forward]
Gross beginning balance	6,279.2	6,220.7
Accumulated impairments	(3,110.3)	(3,110.3)	(3,110.3)
Net beginning balance	3,168.9	3,110.4
Foreign currency translation	(64.6)	58.5
Gross ending balance	6,214.6	6,279.2	6,220.7
Accumulated impairments	(3,110.3)	(3,110.3)	(3,110.3)
Net ending balance	3,104.3	3,168.9
Consumer Beauty
Goodwill [Roll Forward]
Gross beginning balance	1,748.8	1,734.1
Accumulated impairments	(929.8)	(929.8)	(929.8)
Net beginning balance	819.0	804.3
Foreign currency translation	(17.6)	14.7
Gross ending balance	1,731.2	1,748.8	1,734.1
Accumulated impairments	(929.8)	(929.8)	$ (929.8)
Net ending balance	$ 801.4	$ 819.0