SEGMENT REPORTING - Reportable Segments, Product Categories Exceeding 5% Of Consolidated Net Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Net revenues	$ 9,398.0	$ 7,650.3	$ 4,349.1
Product Concentration Risk | Sales Revenue
Segment Reporting Information [Line Items]
Percentage of consolidated revenues	100.00%	100.00%	100.00%
U.S.
Segment Reporting Information [Line Items]
Net revenues	$ 2,704.6	$ 2,220.4	$ 1,256.0
Luxury | Product Concentration Risk | Sales Revenue
Segment Reporting Information [Line Items]
Percentage of consolidated revenues	36.80%	36.10%	46.30%
Consumer Beauty | Product Concentration Risk | Sales Revenue
Segment Reporting Information [Line Items]
Percentage of consolidated revenues	28.20%	29.60%	35.90%
Professional Beauty | Product Concentration Risk | Sales Revenue
Segment Reporting Information [Line Items]
Percentage of consolidated revenues	10.10%	12.40%	17.60%
Hair Care | Product Concentration Risk | Sales Revenue
Segment Reporting Information [Line Items]
Percentage of consolidated revenues	24.90%	21.90%	0.20%