DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Jun. 30, 2019	Jun. 30, 2018
Debt Instrument [Line Items]
Short-term debt	$ 4.2	$ 9.2
Long term debt	7,740.5
Other long-term debt and capital lease obligations	1.1	1.6
Total debt	7,745.8	7,623.2
Less: Short-term debt and current portion of long-term debt	(193.8)	(218.9)
Total Long-term debt	7,552.0	7,404.3
Less: Unamortized debt issuance costs	(71.3)	(86.2)
Less: Discount on Long-term debt	(10.8)	(12.7)
Total Long-term debt, net	7,469.9	7,305.4
Line of Credit \| Revolving credit facility \| 2018 Coty Revolving Credit Facility due April 2023
Debt Instrument [Line Items]
Long term debt	792.1	368.1
Line of Credit \| Term Loan \| 2018 Coty Term A Facility due April 2023
Debt Instrument [Line Items]
Long term debt	3,147.0	3,371.5
Line of Credit \| Term Loan \| 2018 Coty Term B Facility due April 2025
Debt Instrument [Line Items]
Long term debt	2,342.3	2,390.5
Senior Notes \| 2026 Dollar Notes due April 2026
Debt Instrument [Line Items]
Long term debt	550.0	550.0
Senior Notes \| 2023 Euro Notes due April 2023
Debt Instrument [Line Items]
Long term debt	625.0	640.9
Senior Notes \| 2026 Euro Notes due April 2026
Debt Instrument [Line Items]
Long term debt	$ 284.1	$ 291.4

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Other Long-Term Debt And Capital Lease Obligations

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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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