CONSOLIDATED STATEMENTS OF EQUITY AND REDEEMABLE NONCONTROLLING INTERESTS - USD ($) shares in Millions, $ in Millions	Total	CEO	Common Class A	Series A Preferred Stock	Total Coty Inc. Stockholders’ Equity	Total Coty Inc. Stockholders’ Equity CEO	Total Coty Inc. Stockholders’ Equity Series A Preferred Stock	Preferred Stock	Common Stock Common Class A	Common Stock Common Class A CEO	Common Stock Common Class B	Additional Paid-in Capital	Additional Paid-in Capital CEO	Additional Paid-in Capital Series A Preferred Stock	Accumulated Deficit	Total	Treasury Stock	Treasury Stock CEO	Noncontrolling Interest
BALANCE at Jun. 30, 2013	$ 1,509.7				$ 1,494.0				$ 0.7		$ 3.1	$ 1,943.9			$ (329.0)	$ (118.6)	$ (6.1)		$ 15.7
BALANCE (in Shares) at Jun. 30, 2013									73.6		310.6						(0.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Common Stock	0.0				0.0				$ 0.5		$ (0.5)
Conversion of Common Stock (in shares)									46.9		(46.9)
Purchase of Class A Common Stock	(569.0)		$ (100.0)		(569.0)							0.3					$ (569.3)
Purchase of Class A Common Stock (in shares)			6.6														34.5
Exercise of employee stock options	21.9				21.9							21.9
Exercise of employee stock options (shares)									4.6
Share-based compensation expense	41.9				41.9							41.9
Dividends	(77.4)				(77.4)							(77.4)
Net income (loss)	(79.6)				(97.4)										(97.4)				17.8
Other comprehensive income (loss)	33.8				33.5											33.5			0.3
Distribution to noncontrolling interests, net	(23.0)																		(23.0)
Noncontrolling interest purchase adjustment	(4.4)				(4.2)							(4.2)							(0.2)
Adjustment of redeemable noncontrolling interests to redemption value	0.5				0.5							0.5
BALANCE at Jun. 30, 2014	854.4				843.8			$ 0.0	$ 1.2		$ 2.6	1,926.9			(426.4)	(85.1)	$ (575.4)		10.6
BALANCE (in Shares) at Jun. 30, 2014								0.0	125.1		263.7						(34.9)
BALANCE at Jun. 30, 2013	105.8
Increase (Decrease) in Redeemable Noncontrolling Interests [Roll Forward]
Net (loss) income	15.4
Other comprehensive income	(0.2)
Distribution to noncontrolling interests, net	(14.3)
Adjustment of redeemable noncontrolling interests to redemption value	(0.5)
BALANCE at Jun. 30, 2014	106.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Preferred Stock	0.0				0.0			$ 0.0
Issuance of Preferred Stock (in Shares)								1.9
Conversion of Common Stock	0.0				0.0				$ 0.0		$ 0.0
Conversion of Common Stock (in shares)									1.7		(1.7)
Purchase of Class A Common Stock	(263.1)	$ (42.0)	$ (263.1)		(263.1)	$ (42.0)						0.0					$ (263.1)	$ (42.0)
Purchase of Class A Common Stock (in shares)			13.4														13.4	2.4
Re-issuance of Treasury Stock for Bourjois Acquisition	376.8				376.8							106.9					$ 269.9
Re-issuance of Treasury Stock for Bourjois Acquisition (in shares)																	(15.5)
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 employee stock options		$ 12.5				$ 12.5				$ 0.0			$ 12.5
Exercise of employee stock options (shares)										1.4
Discount of Class A Common Stock	1.9				1.9							1.9
Exercise of employee stock options and settlement of restricted stock units (in shares)			1.4						5.8
Exercise of employee stock options and settlement of restricted stock units	48.5				48.5				$ 0.1			48.4
Share-based compensation expense	14.3				14.3							14.3
Dividends	(71.6)				(71.6)							(71.6)
Net income (loss)	247.6				232.5										232.5				15.1
Other comprehensive income (loss)	(189.3)				(188.9)											(188.9)			(0.4)
Proceeds from noncontrolling interests	1.8																		1.8
Distribution to noncontrolling interests, net	(12.2)																		(12.2)
Adjustment of redeemable noncontrolling interests to redemption value	5.1				5.1							5.1
BALANCE 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
BALANCE (in Shares) at Jun. 30, 2015								1.9	134.0		262.0						(35.2)
Increase (Decrease) in Redeemable Noncontrolling Interests [Roll Forward]
Net (loss) income	11.8
Other comprehensive income	(0.2)
Distribution to noncontrolling interests, net	(10.6)
Adjustment of redeemable noncontrolling interests to redemption value	(5.1)
Redeemable noncontrolling interest purchase	(15.8)
BALANCE at Jun. 30, 2015	86.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cancellation of Preferred Stock	(0.1)				(0.1)			$ 0.0				(0.1)
Cancellation of Preferred Stock (in shares)								(0.2)
Purchase of Class A Common Stock	(794.9)		$ (767.0)		(794.9)												$ (794.9)
Purchase of Class A Common Stock (in shares)			27.4														28.4
Capital contribution associated with special share purchase transactions	13.8				13.8							13.8
Exercise of employee stock options	$ 44.8				44.8				$ 0.1			44.7
Exercise of employee stock options (shares)	4.5								4.7
Share-based compensation expense	$ 20.6			$ 1.6	20.6		$ 1.6					20.6		$ 1.6
Dividends	(89.8)				(89.8)							(89.8)
Net income (loss)	164.5				156.9										156.9				7.6
Other comprehensive income (loss)	34.4				34.3											34.3			0.1
Distribution to noncontrolling interests, net	(15.7)																		(15.7)
Adjustment of redeemable noncontrolling interests to redemption value	3.2				3.2							3.2
BALANCE at Jun. 30, 2016	367.1				$ 360.2			$ 0.0	$ 1.4		$ 2.6	$ 2,038.4			$ (37.0)	$ (239.7)	$ (1,405.5)		$ 6.9
BALANCE (in Shares) at Jun. 30, 2016								1.7	138.7		262.0						(63.6)
Increase (Decrease) in Redeemable Noncontrolling Interests [Roll Forward]
Net (loss) income	14.7
Other comprehensive income	0.4
Distribution to noncontrolling interests, net	(14.8)
Adjustment of redeemable noncontrolling interests to redemption value	(3.2)
Redeemable noncontrolling interest purchase	(10.1)
BALANCE at Jun. 30, 2016	$ 73.3