CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net revenues	$ 1,186.2	$ 1,027.8	$ 4,136.1	$ 3,567.5
Cost of sales	423.1	391.7	1,489.0	1,440.6
Gross profit	763.1	636.1	2,647.1	2,126.9
Selling, general and administrative expenses	659.3	545.6	2,154.5	1,770.5
Amortization expense	50.2	62.2	158.6	189.4
Restructuring costs	(6.8)	0.0	1.5	89.7
Acquisition- and divestiture-related costs	3.3	29.7	14.2	127.7
Operating income (loss)	57.1	(1.4)	318.3	(50.4)
Interest expense, net	62.9	50.3	183.6	171.6
Other income, net	(60.6)	(62.5)	(572.9)	(50.7)
Income (loss) from continuing operations before income taxes	54.8	10.8	707.6	(171.3)
Provision (benefit) for income taxes on continuing operations	0.5	(19.2)	164.5	(304.9)
Net income from continuing operations	54.3	30.0	543.1	133.6
Net income (loss) from discontinued operations	0.7	(17.3)	4.5	(148.2)
Net income (loss)	55.0	12.7	547.6	(14.6)
Net loss attributable to noncontrolling interests	(0.9)	(9.4)	(2.3)	(11.5)
Net income attributable to redeemable noncontrolling interests	2.3	6.5	8.9	12.2
Net income (loss) attributable to Coty Inc.	53.6	15.6	541.0	(15.3)
Amounts attributable to Coty Inc.
Net income from continuing operations	52.9	32.9	536.5	132.9
Convertible Series B Preferred Stock dividends	(3.3)	(34.1)	(195.0)	(78.1)
Net income (loss) from continuing operations attributable to common stockholders	49.6	(1.2)	341.5	54.8
Net income (loss) from discontinued operations	0.7	(17.3)	4.5	(148.2)
Net income (loss) attributable to common stockholders	$ 50.3	$ (18.5)	$ 346.0	$ (93.4)
Earnings per common share:
Earnings from continuing operations per common share - basic (in dollars per share)	$ 0.06	$ 0	$ 0.42	$ 0.07
Earnings from continuing operations per common share - diluted (in dollars per share)	0.06	0	0.42	0.07
Losses from discontinued operations - basic (in dollars per share)	0	(0.02)	0	(0.19)
Losses from discontinued operations - diluted (in dollars per share)	0	(0.02)	0	(0.19)
Earnings (losses) per common share - basic (in dollars per share)	0.06	(0.02)	0.42	(0.12)
Earnings (losses) per common share - diluted (in dollars per share)	$ 0.06	$ (0.02)	$ 0.42	$ (0.12)
Weighted-average common shares outstanding:
Basic (in shares)	838.4	765.4	814.8	764.6
Diluted (in shares)	852.9	765.4	827.5	932.1