DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Mar. 31, 2017	Jun. 30, 2016
Debt Instrument [Line Items]
Short-term debt	$ 3.4	$ 19.8
Long-term debt	7,180.0
Other long-term debt and capital lease obligations	1.4	0.7
Total debt	7,184.8	4,170.1
Less: Short-term debt and current portion of long-term debt	(193.0)	(161.8)
Total Long-term debt	6,991.8	4,008.3
Less: Unamortized deferred financing costs	(71.7)	(64.6)
Less: Discount on Long-term debt	(10.8)	(7.3)
Total Long-term debt, net	6,909.3	3,936.4
Debt issuance costs, net	71.7	64.6
Line of Credit | Galleria Revolving Credit Facility due September 2021 | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	0.0	0.0
Debt issuance costs line of credit arrangement	4.9
Line of Credit | Galleria Term Loan A Facility due September 2021 | Term Loan
Debt Instrument [Line Items]
Long-term debt	944.3	0.0
Less: Unamortized deferred financing costs	(3.1)	0.0
Debt issuance costs, net	3.1	0.0
Line of Credit | Galleria Term Loan B Facility due September 2023 | Term Loan
Debt Instrument [Line Items]
Long-term debt	1,000.0	0.0
Less: Unamortized deferred financing costs	(3.3)	0.0
Debt issuance costs, net	3.3	0.0
Line of Credit | Coty Revolving Credit Facility due October 2020 | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	825.0	670.0
Less: Unamortized deferred financing costs	(18.8)	(22.7)
Debt issuance costs, net	18.8	22.7
Line of Credit | Coty Term Loan A Facility due October 2020 | Term Loan
Debt Instrument [Line Items]
Long-term debt	1,806.3	1,883.6
Less: Unamortized deferred financing costs	(34.9)	(30.3)
Debt issuance costs, net	34.9	30.3
Line of Credit | Coty Term Loan A Facility due October 2021 | Term Loan
Debt Instrument [Line Items]
Long-term debt	962.8	0.0
Line of Credit | Coty Term Loan B Facility due October 2022 | Term Loan
Debt Instrument [Line Items]
Long-term debt	1,641.6	1,596.0
Less: Unamortized deferred financing costs	(11.6)	(11.6)
Debt issuance costs, net	$ 11.6	$ 11.6