DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2017	Jun. 30, 2017
Debt Instrument [Line Items]
Short-term debt	$ 13.5	$ 3.7
Credit Agreement	7,502.9
Other long-term debt and capital lease obligations	1.4	1.7
Total debt	7,517.8	7,215.6
Less: Short-term debt and current portion of long-term debt	(295.9)	(209.1)
Total Long-term debt	7,221.9	7,006.5
Less: Unamortized deferred financing costs	(66.3)	(67.6)
Less: Discount on Long-term debt	(9.8)	(10.6)
Total Long-term debt, net	7,145.8	6,928.3
Debt issuance costs, net	66.3	67.6
Line of Credit \| Swingline loans
Debt Instrument [Line Items]
Credit Agreement	62.0
Line of Credit \| Galleria Revolving Credit Facility due September 2021 \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit Agreement	365.0	0.0
Debt issuance costs line of credit arrangement	4.4	4.2
Line of Credit \| Galleria Term Loan A Facility due September 2021 \| Term Loan
Debt Instrument [Line Items]
Credit Agreement	932.5	944.3
Less: Unamortized deferred financing costs	(2.7)	(2.7)
Debt issuance costs, net	2.7	2.7
Line of Credit \| Galleria Term Loan B Facility due September 2023 \| Term Loan
Debt Instrument [Line Items]
Credit Agreement	997.5	1,000.0
Less: Unamortized deferred financing costs	(3.1)	(3.0)
Debt issuance costs, net	3.1	3.0
Line of Credit \| Coty Revolving Credit Facility due October 2020 (a) \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit Agreement	777.0	810.0
Less: Unamortized deferred financing costs	(15.4)	(17.5)
Debt issuance costs, net	15.4	17.5
Line of Credit \| Coty Term Loan A Facility due October 2020 \| Term Loan
Debt Instrument [Line Items]
Credit Agreement	1,751.6	1,792.8
Less: Unamortized deferred financing costs	(29.7)	(33.2)
Debt issuance costs, net	29.7	33.2
Line of Credit \| Coty Term Loan A Facility due October 2021 \| Term Loan
Debt Instrument [Line Items]
Credit Agreement	926.3	950.6
Line of Credit \| Coty Term Loan B Facility due October 2022 \| Term Loan
Debt Instrument [Line Items]
Credit Agreement	1,753.0	1,712.5
Less: Unamortized deferred financing costs	(11.0)	(11.3)
Debt issuance costs, net	$ 11.0	$ 11.3

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt discount.

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