GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Changes in Goodwill (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2018	Dec. 31, 2018	Jun. 30, 2018
Goodwill [Roll Forward]
Gross balance	$ 9,138.3	$ 9,138.3	$ 9,247.9
Accumulated impairments	(1,473.3)	(1,473.3)	(640.8)
Net balance at beginning of the period		8,607.1
Changes during the period ended December 31, 2018:
Goodwill measurement period adjustments		(9.4)
Foreign currency translation		(100.2)
Impairment charges	(832.5)	(832.5)
Gross balance	9,138.3	9,138.3	9,247.9
Accumulated impairments	(1,473.3)	(1,473.3)	(640.8)
Net balance at end of the period	7,665.0	7,665.0
Luxury
Goodwill [Roll Forward]
Gross balance	3,325.9	3,325.9	3,366.6
Accumulated impairments	(403.7)	(403.7)	(403.7)
Net balance at beginning of the period		2,962.9
Changes during the period ended December 31, 2018:
Goodwill measurement period adjustments		(10.5)
Foreign currency translation		(30.2)
Impairment charges		0.0
Gross balance	3,325.9	3,325.9	3,366.6
Accumulated impairments	(403.7)	(403.7)	(403.7)
Net balance at end of the period	2,922.2	2,922.2
Consumer Beauty
Goodwill [Roll Forward]
Gross balance	4,876.6	4,876.6	4,927.5
Accumulated impairments	(1,069.6)	(1,069.6)	(237.1)
Net balance at beginning of the period		4,690.4
Changes during the period ended December 31, 2018:
Goodwill measurement period adjustments		0.6
Foreign currency translation		(51.5)
Impairment charges		(832.5)
Gross balance	4,876.6	4,876.6	4,927.5
Accumulated impairments	(1,069.6)	(1,069.6)	(237.1)
Net balance at end of the period	3,807.0	3,807.0
Professional Beauty
Goodwill [Roll Forward]
Gross balance	935.8	935.8	953.8
Accumulated impairments	0.0	0.0	0.0
Net balance at beginning of the period		953.8
Changes during the period ended December 31, 2018:
Goodwill measurement period adjustments		0.5
Foreign currency translation		(18.5)
Impairment charges		0.0
Gross balance	935.8	935.8	953.8
Accumulated impairments	0.0	0.0	$ 0.0
Net balance at end of the period	$ 935.8	$ 935.8

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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