CONDENSED CONSOLIDATED STATEMENTS OF EQUITY AND REDEEMABLE NONCONTROLLING INTERESTS - USD ($) shares in Millions, $ in Millions	Total	Total Coty Inc. Stockholders’ Equity	Total Coty Inc. Stockholders’ Equity Former Chief Executive Officer	Total Coty Inc. Stockholders’ Equity Series A Preferred Stock	Preferred Stock	Common Stock Common Class A	Common Stock Common Class A Former Chief Executive Officer	Common Stock Common Class B	Additional Paid-in Capital	Additional Paid-in Capital Former Chief Executive Officer	Additional Paid-in Capital Series A Preferred Stock	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Treasury Stock Former Chief Executive Officer	Noncontrolling Interest	Total Equity	Total Equity Former Chief Executive Officer	Total Equity Series A Preferred Stock
BALANCE (in Shares) at Jun. 30, 2014						125.1		263.7						(34.9)
BALANCE at Jun. 30, 2014		$ 843.8				$ 1.2		$ 2.6	$ 1,926.9			$ (426.4)	$ (85.1)	$ (575.4)		$ 10.6	$ 854.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Class B to Class A Common Stock (in shares)						1.4		1.4
Conversion of Class B to Class A Common Stock		0.0				$ 0.0		$ 0.0									0.0
Purchase of Class A Common Stock (in shares)														13.4	2.4
Purchase of Class A Common Stock		(263.1)	$ (42.0)											$ (263.1)	$ (42.0)		(263.1)	$ (42.0)
Reclassification of Common Stock and stock options to liability		(29.5)							(29.5)								(29.5)
Reclassification of Class A Common Stock from liability to APIC		29.5							29.5								29.5
Exercise of stock options (in Shares)						5.2	1.4
Exercise of stock options		44.5	$ 12.5			$ 0.1	$ 0.0		44.4	$ 12.5							44.5	$ 12.5
Share-based compensation expense		5.9							5.9								5.9
Dividends		(71.6)							(71.6)								(71.6)
Net (loss) income	$ 233.8	211.5										211.5				14.0	225.5
Other comprehensive income (loss)	(242.5)	(241.5)											(241.5)			(1.0)	(242.5)
Distribution to noncontrolling interests, net																(1.8)	(1.8)
Adjustment of redeemable noncontrolling interests to redemption value	(3.0)	3.0							3.0								3.0
BALANCE (in Shares) at Mar. 31, 2015						133.1		262.3						(50.7)
Balance—March 31, 2016 at Mar. 31, 2015		503.0				$ 1.3		$ 2.6	1,921.1			(214.9)	(326.6)	$ (880.5)		25.4	528.4
BALANCE at Jun. 30, 2014	106.2
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	8.3
Other comprehensive income	(0.3)
Distribution to noncontrolling interests, net	(5.0)
Dividend payable to redeemable noncontrolling interest holder	(4.3)
Redeemable noncontrolling interest purchase adjustment	(16.2)
Adjustment of redeemable noncontrolling interests to redemption value	(3.0)	3.0							3.0								3.0
BALANCE at Mar. 31, 2015	85.7
BALANCE (in Shares) at Jun. 30, 2014						125.1		263.7						(34.9)
BALANCE at Jun. 30, 2014		843.8				$ 1.2		$ 2.6	1,926.9			(426.4)	(85.1)	$ (575.4)		10.6	854.4
BALANCE (in Shares) at Jun. 30, 2015					1.9	134.0		262.0						(35.2)
Balance—March 31, 2016 at Jun. 30, 2015	984.7	969.8			$ 0.0	$ 1.3		$ 2.6	2,044.4			(193.9)	(274.0)	$ (610.6)		14.9	984.7
BALANCE at Jun. 30, 2014	106.2
BALANCE at Jun. 30, 2015	86.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cancellation of Preferred Stock (in shares)					(0.2)
Cancellation of Preferred Stock		(0.1)			$ 0.0				(0.1)								(0.1)
Purchase of Class A Common Stock (in shares)														25.9
Purchase of Class A Common Stock		(727.9)												$ (727.9)			(727.9)
Reclassification of Class A Common Stock from liability to APIC		13.8							13.8								13.8
Exercise of stock options (in Shares)						3.9
Exercise of stock options		36.8				$ 0.1			36.7								36.8
Share-based compensation expense		17.3		$ 1.1					17.3		$ 1.1						17.3		$ 1.1
Dividends		(89.7)							(89.7)								(89.7)
Net (loss) income	210.4	187.9										187.9				12.1	200.0
Other comprehensive income (loss)	24.2	23.1											23.1			0.9	24.0
Distribution to noncontrolling interests, net																(16.3)	(16.3)
Adjustment of redeemable noncontrolling interests to redemption value	(11.3)	11.3							11.3								11.3
BALANCE (in Shares) at Mar. 31, 2016					1.7	137.9		262.0						(61.1)
Balance—March 31, 2016 at Mar. 31, 2016	455.0	443.4			$ 0.0	$ 1.4		$ 2.6	2,034.8			$ (6.0)	$ (250.9)	$ (1,338.5)		$ 11.6	455.0
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	10.4
Other comprehensive income	0.2
Distribution to noncontrolling interests, net	(6.6)
Adjustment of redeemable noncontrolling interests to redemption value	(11.3)	$ 11.3							$ 11.3								$ 11.3
BALANCE at Mar. 31, 2016	$ 79.0