CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Net revenues	$ 1,727.6	$ 1,523.6	$ 3,369.0	$ 2,913.6
Cost of sales	603.5	525.3	1,203.0	1,026.6
Gross profit	1,124.1	998.3	2,166.0	1,887.0
Selling, general and administrative expenses	833.4	754.3	1,600.8	1,425.0
Amortization expense	48.3	47.6	96.9	94.9
Restructuring costs	5.7	(2.9)	34.1	(4.1)
Operating income	236.7	199.3	434.2	371.2
Interest expense, net	60.1	61.0	129.9	126.9
Other income, net	(80.8)	(141.9)	(4.2)	(240.1)
Income before income taxes	257.4	280.2	308.5	484.4
Provision for income taxes	71.4	38.8	112.3	108.5
Net income	186.0	241.4	196.2	375.9
Net income (loss) attributable to noncontrolling interests	0.5	(1.4)	1.6	(1.4)
Net income attributable to redeemable noncontrolling interests	4.6	4.5	12.1	10.4
Net income attributable to Coty Inc.	180.9	238.3	182.5	366.9
Amounts attributable to Coty Inc.
Net income attributable to Coty Inc.	180.9	238.3	182.5	366.9
Convertible Series B Preferred Stock dividends	(3.3)	(3.3)	(6.6)	(6.6)
Net income attributable to common stockholders	177.6	235.0	175.9	360.3
Net income attributable to common stockholders	$ 177.6	$ 235.0	$ 175.9	$ 360.3
Earnings per common share:
Earnings per common share - basic (in dollars per share)	$ 0.20	$ 0.28	$ 0.20	$ 0.43
Earnings per common share - diluted (in dollars per share)	$ 0.20	$ 0.27	$ 0.20	$ 0.42
Weighted-average common shares outstanding:
Basic (in shares)	892.8	850.8	873.6	846.4
Diluted (in shares)	922.8	886.8	883.3	884.5