Document And Entity Information	3 Months Ended
	Sep. 30, 2014	Nov. 04, 2014 Common Class A [Member]	Nov. 04, 2014 Common Class B [Member]
Document Information [Line Items]
Entity Registrant Name	COTY INC.
Document Type	10-Q
Current Fiscal Year End Date	--06-30
Entity Common Stock, Shares Outstanding		91,945,763	263,752,817
Amendment Flag	false
Entity Central Index Key	0001024305
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Sep. 30, 2014
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1