NET INCOME ATTRIBUTABLE TO COTY INC. PER COMMON SHARE (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Earnings Per Share [Abstract]
Net income attributable to Coty Inc.	$ (253.3)	$ 20.4	$ (77.3)	$ 230.3
Weighted-average common shares outstanding:
Weighted-average common shares outstanding—Basic (in Shares)	384.0	382.8	384.1	381.2
Effect of dilutive stock options (a)	0	12.4	0	13.1
Effect of restricted stock and RSUs (b)	0	1.5	0	2.4
Weighted-average common shares outstanding—Diluted (in Shares)	384.0	396.7	384.1	396.7
Net (loss) income attributable to Coty Inc. per common share:
Basic (in Dollars per share)	$ (0.66)	$ 0.05	$ (0.20)	$ 0.60
Diluted (in Dollars per share)	$ (0.66)	$ 0.05	$ (0.20)	$ 0.58
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding options excluded from diluted earnings per share calculation due to anti-dilutive effect	0	8.8	0
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding options excluded from diluted earnings per share calculation due to anti-dilutive effect	0	0	0	0