CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (20.3)	$ 82.2	$ 210.4	$ 233.8
Other comprehensive income (loss):
Foreign currency translation adjustment	57.4	(126.8)	38.6	(260.8)
Net unrealized derivative (losses) gains on cash flow hedges, net of taxes of $1.0 and $(0.9), and $0.3 and $(3.3) during the three and nine months ended, respectively	(21.9)	3.9	(14.6)	18.5
Pension and other post-employment benefits (losses), net of tax of nil and nil, and nil and $0.1 during the three and nine months ended, respectively	0.0	0.0	0.2	(0.2)
Total other comprehensive income (loss), net of tax	35.5	(122.9)	24.2	(242.5)
Comprehensive income (loss)	15.2	(40.7)	234.6	(8.7)
Comprehensive income attributable to noncontrolling interests:
Net income	2.4	2.9	12.1	14.0
Foreign currency translation adjustment	1.2	(0.4)	0.9	(1.0)
Total comprehensive income attributable to noncontrolling interests	3.6	2.5	13.0	13.0
Comprehensive income attributable to redeemable noncontrolling interests:
Net income	4.1	3.8	10.4	8.3
Foreign currency translation adjustment	0.2	0.0	0.2	(0.3)
Total comprehensive income attributable to redeemable noncontrolling interests	4.3	3.8	10.6	8.0
Comprehensive income (loss) attributable to Coty Inc.	$ 7.3	$ (47.0)	$ 211.0	$ (29.7)