SEGMENT REPORTING - Reporting Segments (Details) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) segment	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment			3
Number of operating segments \| segment			3
Net revenues	$ 2,511.2	$ 2,637.6	$ 4,542.5	$ 4,875.9
Operating (loss) income	(804.6)	175.2	(825.3)	204.7
Interest expense, net	68.3	60.3	132.4	126.7
Other expense, net	4.8	4.2	7.5	8.7
(Loss) income before income taxes	(877.7)	110.7	(965.2)	69.3
Luxury
Segment Reporting Information [Line Items]
Net revenues	1,017.5	951.2	1,810.4	1,715.6
Consumer Beauty
Segment Reporting Information [Line Items]
Net revenues	967.8	1,138.6	1,796.6	2,182.0
Professional Beauty
Segment Reporting Information [Line Items]
Net revenues	525.9	547.8	935.5	978.3
Operating Segments \| Luxury
Segment Reporting Information [Line Items]
Operating (loss) income	113.6	85.1	162.3	141.8
Operating Segments \| Consumer Beauty
Segment Reporting Information [Line Items]
Operating (loss) income	(906.9)	99.3	(925.5)	161.2
Operating Segments \| Professional Beauty
Segment Reporting Information [Line Items]
Operating (loss) income	73.8	73.5	78.8	71.8
Corporate
Segment Reporting Information [Line Items]
Operating (loss) income	$ (85.1)	$ (82.7)	$ (140.9)	$ (170.1)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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