CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 82.2us-gaap_ProfitLoss	$ (246.7)us-gaap_ProfitLoss	$ 233.8us-gaap_ProfitLoss	$ (51.4)us-gaap_ProfitLoss
Other comprehensive (loss) income:
Foreign currency translation adjustment	(126.8)	0.8	(260.8)	59.9
Net unrealized derivative gains (losses) on cash flow hedges, net of taxes of $(0.9) and $0.1, and $(3.3) and $ 0.3 during the three months and nine months ended, respectively	3.9	(0.5)	18.5	(1.9)
Pension and other post-employment benefits, net of tax of nil and nil, and $0.1 and $(0.4) during both the three and nine months ended, respectively	0	0	(0.2)	0.4
Total other comprehensive (loss) income, net of tax	(122.9)	0.3	(242.5)	58.4
Comprehensive income (loss)	(40.7)	(246.4)	(8.7)	7.0
Comprehensive income attributable to noncontrolling interests:
Net income	2.9	3.4	14.0	14.5
Foreign currency translation adjustment	(0.4)	0	(1.0)	0
Total comprehensive income attributable to noncontrolling interests	2.5	3.4	13.0	14.5
Comprehensive income attributable to redeemable noncontrolling interests:
Net income	3.8	3.2	8.3	11.4
Foreign currency translation adjustment	0	0.1	(0.3)	(0.2)
Total comprehensive income attributable to redeemable noncontrolling interests	3.8	3.3	8.0	11.2
Comprehensive (loss) attributable to Coty Inc.	$ (47.0)us-gaap_ComprehensiveIncomeNetOfTax	$ (253.1)us-gaap_ComprehensiveIncomeNetOfTax	$ (29.7)us-gaap_ComprehensiveIncomeNetOfTax	$ (18.7)us-gaap_ComprehensiveIncomeNetOfTax

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature attributable to noncontrolling interests.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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