CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net revenues	$ 1,523.6	$ 1,578.2	$ 2,913.6	$ 2,949.9
Cost of sales	525.3	561.1	1,026.6	1,065.9
Gross profit	998.3	1,017.1	1,887.0	1,884.0
Selling, general and administrative expenses	754.3	718.9	1,425.0	1,495.2
Amortization expense	47.6	51.4	94.9	108.4
Restructuring costs	(2.9)	(4.1)	(4.1)	8.3
Acquisition- and divestiture-related costs	0.0	6.9	0.0	10.9
Operating income	199.3	244.0	371.2	261.2
Interest expense, net	61.0	60.9	126.9	120.7
Other income, net	(141.9)	(126.2)	(240.1)	(512.3)
Income from continuing operations before income taxes	280.2	309.3	484.4	652.8
Provision for income taxes on continuing operations	38.8	49.4	108.5	164.0
Net income from continuing operations	241.4	259.9	375.9	488.8
Net income from discontinued operations	0.0	3.8	0.0	3.8
Net income	241.4	263.7	375.9	492.6
Net loss attributable to noncontrolling interests	(1.4)	(0.9)	(1.4)	(1.4)
Net income attributable to redeemable noncontrolling interests	4.5	3.2	10.4	6.6
Net income attributable to Coty Inc.	238.3	261.4	366.9	487.4
Amounts attributable to Coty Inc.
Net income from continuing operations	238.3	257.6	366.9	483.6
Convertible Series B Preferred Stock dividends	(3.3)	(68.7)	(6.6)	(191.7)
Net income from continuing operations attributable to common stockholders	235.0	188.9	360.3	291.9
Net income from discontinued operations	0.0	3.8	0.0	3.8
Net income attributable to common stockholders	235.0	192.7	360.3	295.7
Net income attributable to common stockholders	$ 235.0	$ 192.7	$ 360.3	$ 295.7
Earnings per common share:
Earnings from continuing operations per common share - basic (in dollars per share)	$ 0.28	$ 0.23	$ 0.43	$ 0.36
Earnings from continuing operations per common share - diluted (in dollars per share)	0.27	0.23	0.42	0.36
Earnings per common share - basic (in dollars per share)	0.28	0.23	0.43	0.36
Earnings per common share - diluted (in dollars per share)	$ 0.27	$ 0.23	$ 0.42	$ 0.36
Weighted-average common shares outstanding:
Basic (in shares)	850.8	829.1	846.4	803.3
Diluted (in shares)	886.8	842.7	884.5	815.1