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COMMITMENTS AND CONTINGENCIES Noncontrolling interests (Details) (Singapore entity [Member], USD $)
In Millions, unless otherwise specified
 0 Months Ended
Dec. 02, 2014
Dec. 31, 2014
Singapore entity [Member]
    
Noncontrolling Interest [Line Items]    
Noncontrolling Interest, Call Option, Percentage 14.00%coty_NoncontrollingInterestCallOptionPercentage
/ dei_LegalEntityAxis
= coty_SingaporeentityMember		  
Estimated Payment For Repurchase Of Noncontrolling Interest   $ 12.8coty_EstimatedPaymentForRepurchaseOfNoncontrollingInterest
/ dei_LegalEntityAxis
= coty_SingaporeentityMember