CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Net revenues	$ 1,577.2	$ 1,671.5
Cost of sales	560.4	576.9
Gross profit	1,016.8	1,094.6
Selling, general and administrative expenses	793.5	808.0
Amortization expense	39.3	48.1
Restructuring costs	(1.0)	0.7
Operating income	185.0	237.8
Interest expense, net	46.6	61.8
Other expense, net	31.3	43.3
Income before income taxes	107.1	132.7
Provision for income taxes	33.1	42.0
Net income	74.0	90.7
Net income attributable to noncontrolling interests	2.1	2.1
Net income attributable to redeemable noncontrolling interests	4.0	5.7
Net income attributable to Coty Inc.	67.9	82.9
Amounts attributable to Coty Inc.
Net income attributable to Coty Inc.	67.9	82.9
Convertible Series B Preferred Stock dividends	(3.3)	(3.3)
Net income attributable to common stockholders	64.6	79.6
Net income attributable to common stockholders	$ 64.6	$ 79.6
Earnings per common share:
Earnings per common share - basic (in dollars per share)	$ 0.07	$ 0.09
Earnings per common share - diluted (in dollars per share)	$ 0.07	$ 0.09
Weighted-average common shares outstanding:
Basic (in shares)	872.8	867.9
Diluted (in shares)	876.3	875.3