GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Changes in Goodwill (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2020	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
Acquisitions	127.4
Disposition of business	(23.4)
Foreign currency translation	(255.7)
Gross ending balance	8,954.0
Accumulated impairments	(4,031.9)	(4,031.9)
Net ending balance	4,922.1
Americas
Goodwill [Roll Forward]
Gross beginning balance	3,184.4
Accumulated impairments	(1,835.1)	(1,835.1)
Net beginning balance	1,349.3
Acquisitions	127.4
Disposition of business	(11.2)
Foreign currency translation	(85.3)
Gross ending balance	3,215.3
Accumulated impairments	(1,835.1)	(1,835.1)
Net ending balance	1,380.2
EMEA
Goodwill [Roll Forward]
Gross beginning balance	3,798.7
Accumulated impairments	(1,780.7)	(1,780.7)
Net beginning balance	2,018.0
Acquisitions	0.0
Disposition of business	(10.2)
Foreign currency translation	(103.9)
Gross ending balance	3,684.6
Accumulated impairments	(1,780.7)	(1,780.7)
Net ending balance	1,903.9
Asia Pacific
Goodwill [Roll Forward]
Gross beginning balance	1,300.7
Accumulated impairments	(416.1)	(416.1)
Net beginning balance	884.6
Acquisitions	0.0
Disposition of business	(2.0)
Foreign currency translation	(36.5)
Gross ending balance	1,262.2
Accumulated impairments	(416.1)	(416.1)
Net ending balance	846.1
Professional Beauty
Goodwill [Roll Forward]
Gross beginning balance	821.9
Accumulated impairments	0.0	0.0
Net beginning balance	821.9
Acquisitions	0.0
Disposition of business	0.0
Foreign currency translation	(30.0)
Gross ending balance	791.9
Accumulated impairments	0.0	$ 0.0
Net ending balance	$ 791.9