GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Changes in Goodwill (Details) - USD ($) $ in Millions	6 Months Ended
	Dec. 31, 2019	Jun. 30, 2019
Goodwill [Roll Forward]
Gross beginning balance	$ 9,105.7
Accumulated impairments	(4,031.9)	$ (4,031.9)
Net beginning balance	5,073.8
Disposition of business	(23.4)
Foreign currency translation	(34.4)
Gross ending balance	9,047.9
Accumulated impairments	(4,031.9)	(4,031.9)
Net ending balance	5,016.0
Luxury
Goodwill [Roll Forward]
Gross beginning balance	3,325.4
Accumulated impairments	(403.7)	(403.7)
Net beginning balance	2,921.7
Disposition of business	0.0
Foreign currency translation	(25.3)
Gross ending balance	3,300.1
Accumulated impairments	(403.7)	(403.7)
Net ending balance	2,896.4
Consumer Beauty
Goodwill [Roll Forward]
Gross beginning balance	4,844.6
Accumulated impairments	(3,628.2)	(3,628.2)
Net beginning balance	1,216.4
Disposition of business	(23.4)
Foreign currency translation	(18.7)
Gross ending balance	4,802.5
Accumulated impairments	(3,628.2)	(3,628.2)
Net ending balance	1,174.3
Professional Beauty
Goodwill [Roll Forward]
Gross beginning balance	935.7
Accumulated impairments	0.0	0.0
Net beginning balance	935.7
Disposition of business	0.0
Foreign currency translation	9.6
Gross ending balance	945.3
Accumulated impairments	0.0	$ 0.0
Net ending balance	$ 945.3