NET INCOME ATTRIBUTABLE TO COTY INC. PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended				6 Months Ended
	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2015		Dec. 31, 2014
Earnings Per Share [Abstract]
Net income attributable to Coty Inc.	$ 89,000,000		$ 125,400,000		$ 214,700,000		$ 136,000,000
Weighted-average common shares outstanding:
Weighted-average common shares outstanding—Basic (in Shares)	345.0		353.4		352.5		353.8
Effect of dilutive stock options	6.3	[1]	7.4	[2]	6.5	[1]	7.9	[2]
Effect of restricted stock and RSUs	3.0	[3]	1.8	[4]	3.0	[3]	1.8	[4]
Weighted-average common shares outstanding—Diluted (in Shares)	354.3		362.6		362.0		363.5
Net income attributable to Coty Inc. per common share:
Basic (in Dollars per share)	$ 0.26		$ 0.35		$ 0.61		$ 0.38
Diluted (in Dollars per share)	$ 0.25		$ 0.35		$ 0.59		$ 0.37
Outstanding Stock Options and Series A Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from computation of diluted EPS	3.0				3.3
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options excluded in computation of EPS			$ 0				$ 0
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from computation of diluted EPS	0.1		0.1		0.1		0.8

[1] For the three and six months ended December 31, 2015, outstanding stock options and Series A Preferred Stock with purchase or conversion rights to 3.0 million and 3.3 million shares of common stock, respectively, were excluded from the computation of diluted EPS as their inclusion would be anti-dilutive.

[2] For the three and six months ended December 31, 2014, no options were excluded in the computation of EPS.

[3] For the three and six months ended December 31, 2015, less than 0.1 million RSUs outstanding were excluded from the computation of diluted EPS as their inclusion would be anti-dilutive.

[4] For the three and six months ended December 31, 2014, 0.1 million and 0.8 million RSUs outstanding, respectively, were excluded from the computation of diluted EPS as their inclusion would be anti-dilutive.