SEGMENT REPORTING - Reporting Segments (Details) $ in Millions	3 Months Ended
	Sep. 30, 2017 USD ($) segment	Sep. 30, 2016 USD ($) segment
Segment Reporting Information [Line Items]
Number of operating segments | segment	3	4
Number of reportable segments | segment	3	4
Net revenues	$ 2,238.3	$ 1,080.2
Operating income	28.7	46.4
Interest expense, net	66.4	40.4
Other expense, net	3.7	1.3
(Loss) income before income taxes	(41.4)	4.7
Luxury
Segment Reporting Information [Line Items]
Net revenues	764.4	449.0
Consumer Beauty
Segment Reporting Information [Line Items]
Net revenues	1,043.4	571.9
Professional Beauty
Segment Reporting Information [Line Items]
Net revenues	430.5	59.3
Operating Segments | Luxury
Segment Reporting Information [Line Items]
Operating income	56.7	75.7
Operating Segments | Consumer Beauty
Segment Reporting Information [Line Items]
Operating income	61.9	53.2
Operating Segments | Professional Beauty
Segment Reporting Information [Line Items]
Operating income	(1.7)	16.3
Corporate
Segment Reporting Information [Line Items]
Operating income	$ (88.2)	$ (98.8)