GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of goodwill (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2026	Mar. 31, 2026
Goodwill [Roll Forward]
Gross beginning balance		$ 8,102.3
Accumulated impairments beginning balance		(4,040.1)
Net beginning balance		4,062.2
Foreign currency translation		(15.1)
Impairment charges	$ (237.1)	(237.1)
Gross ending balance	8,087.2	8,087.2
Accumulated impairments ending balance	(4,277.2)	(4,277.2)
Net ending balance	3,810.0	3,810.0
Prestige
Goodwill [Roll Forward]
Gross beginning balance		6,340.1
Accumulated impairments beginning balance		(3,110.3)
Net beginning balance		3,229.8
Foreign currency translation		(13.3)
Impairment charges		0.0
Gross ending balance	6,326.8	6,326.8
Accumulated impairments ending balance	(3,110.3)	(3,110.3)
Net ending balance	3,216.5	3,216.5
Consumer Beauty
Goodwill [Roll Forward]
Gross beginning balance		1,762.2
Accumulated impairments beginning balance		(929.8)
Net beginning balance		832.4
Foreign currency translation		(1.8)
Impairment charges		(237.1)
Gross ending balance	1,760.4	1,760.4
Accumulated impairments ending balance	(1,166.9)	(1,166.9)
Net ending balance	$ 593.5	$ 593.5