SEGMENT REPORTING - Reportable Segments, Product Categories Exceeding 5% Of Consolidated Net Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Net revenues	$ 7,650.3	$ 4,349.1	$ 4,395.2
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	$ 2,220.4	$ 1,256.0	$ 1,342.9
UNITED KINGDOM
Segment Reporting Information [Line Items]
Net revenues	$ 735.1	$ 429.5	$ 450.4
Luxury | Product Concentration Risk | Sales Revenue
Segment Reporting Information [Line Items]
Percentage of consolidated revenues	36.10%	46.30%	49.60%
Consumer Beauty | Product Concentration Risk | Sales Revenue
Segment Reporting Information [Line Items]
Percentage of consolidated revenues	29.60%	35.90%	32.90%
Professional Beauty | Product Concentration Risk | Sales Revenue
Segment Reporting Information [Line Items]
Percentage of consolidated revenues	12.40%	17.60%	17.50%
Hair Care | Product Concentration Risk | Sales Revenue
Segment Reporting Information [Line Items]
Percentage of consolidated revenues	21.90%	0.20%	0.00%