CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Net revenues	$ 4,395.2	$ 4,551.6	$ 4,649.1
Cost of sales	1,757.0	1,865.7	1,860.3
Gross profit	2,638.2	2,685.9	2,788.8
Selling, general and administrative expenses	2,066.1	2,219.6	2,283.7
Amortization expense	74.7	85.7	90.2
Restructuring costs	75.4	37.3	29.4
Acquisition-related costs	34.1	0.7	8.9
Asset impairment charges	0.0	316.9	1.5
Gain on sale of asset	(7.2)	0.0	(19.3)
Operating income	395.1	25.7	394.4
Interest expense, net	73.0	68.5	76.5
Loss on early extinguishment of debt	88.8	0.0	0.0
Other expense (income), net	0.0	1.3	(0.8)
Income (loss) before income taxes	233.3	(44.1)	318.7
(Benefit) provision for income taxes	(26.1)	20.1	116.8
Net income (loss)	259.4	(64.2)	201.9
Net income attributable to noncontrolling interests	15.1	17.8	15.7
Net income attributable to redeemable noncontrolling interests	11.8	15.4	18.2
Net income (loss) attributable to Coty Inc.	$ 232.5	$ (97.4)	$ 168.0
Net income (loss) attributable to Coty Inc. per common share:
Basic (dollars per shares)	$ 0.66	$ (0.26)	$ 0.44
Diluted (dollars per shares)	$ 0.64	$ (0.26)	$ 0.42
Weighted-average common shares outstanding:
Basic (shares)	353.3	381.7	381.7
Diluted (shares)	362.9	381.7	396.4