CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net revenues	$ 1,385.6	$ 1,288.9	$ 4,754.6	$ 4,202.5
Cost of sales	487.8	478.1	1,690.8	1,504.7
Gross profit	897.8	810.8	3,063.8	2,697.8
Selling, general and administrative expenses	770.6	720.4	2,371.4	2,145.4
Amortization expense	48.5	48.2	145.4	143.1
Restructuring costs	0.9	(1.3)	35.0	(5.4)
Operating income	77.8	43.5	512.0	414.7
Interest expense, net	60.4	58.8	190.3	185.7
Other expense (income), net	14.0	(156.9)	9.8	(397.0)
Income before income taxes	3.4	141.6	311.9	626.0
(Benefit) provision for income taxes	(5.4)	29.8	106.9	138.3
Net income	8.8	111.8	205.0	487.7
Net income (loss) attributable to noncontrolling interests	2.4	1.0	4.0	(0.4)
Net income attributable to redeemable noncontrolling interests	2.6	2.4	14.7	12.8
Net income attributable to Coty Inc.	3.8	108.4	186.3	475.3
Amounts attributable to Coty Inc.
Net income attributable to Coty Inc.	3.8	108.4	186.3	475.3
Convertible Series B Preferred Stock dividends	(3.3)	(3.3)	(9.9)	(9.9)
Net income attributable to common stockholders	0.5	105.1	176.4	465.4
Net income attributable to common stockholders	$ 0.5	$ 105.1	$ 176.4	$ 465.4
Earnings per common share:
Earnings per common share - basic (in dollars per share)	$ 0	$ 0.12	$ 0.20	$ 0.55
Earnings per common share - diluted (in dollars per share)	$ 0	$ 0.12	$ 0.20	$ 0.54
Weighted-average common shares outstanding:
Basic (in shares)	883.1	851.6	876.7	848.1
Diluted (in shares)	892.0	865.2	886.1	885.8