CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Net revenues	$ 1,942.8	$ 2,031.3
Cost of sales	738.4	809.1
Gross profit	1,204.4	1,222.2
Selling, general and administrative expenses	1,072.6	1,122.3
Gain on sale of business (See Note 5)	(84.5)	0.0
Amortization expense	84.3	92.5
Restructuring costs	6.0	15.5
Asset impairment charges	0.0	12.6
Operating income (loss)	126.0	(20.7)
Interest expense, net	77.4	64.1
Other expense, net	2.2	2.7
Income (loss) before income taxes	46.4	(87.5)
Benefit for income taxes	(9.9)	(77.4)
Net income (loss)	56.3	(10.1)
Net income attributable to noncontrolling interests	2.8	1.2
Net income attributable to redeemable noncontrolling interests	1.2	0.8
Net income (loss) attributable to Coty Inc.	$ 52.3	$ (12.1)
Net income (loss) attributable to Coty Inc. per common share:
Basic (in dollars per share)	$ 0.07	$ (0.02)
Diluted (in dollars per share)	$ 0.07	$ (0.02)
Weighted-average common shares outstanding:
Basic (in shares)	754.2	750.8
Diluted (in shares)	758.9	750.8