CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 10.2	$ 134.5
Other comprehensive income (loss):
Foreign currency translation adjustment	(114.5)	(264.1)
Net unrealized derivative gain (loss) on cash flow hedges, net of taxes of $(0.7) and $(0.5) during the three months ended, respectively	1.5	0.9
Pension and other post-employment benefits adjustment, net of tax of $0.9 and $0.8 during the three months ended, respectively	(2.1)	(3.2)
Total other comprehensive loss, net of tax	(115.1)	(266.4)
Comprehensive loss	(104.9)	(131.9)
Comprehensive income attributable to noncontrolling interests:
Net income	1.1	0.0
Total comprehensive income attributable to noncontrolling interests	1.1	0.0
Comprehensive income attributable to redeemable noncontrolling interests:
Net income	7.5	5.9
Foreign currency translation adjustment	(0.1)	(0.2)
Total comprehensive income attributable to noncontrolling interests	7.4	5.7
Comprehensive loss attributable to Coty Inc.	$ (113.4)	$ (137.6)