DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Jun. 30, 2020	Jun. 30, 2019
Debt Instrument [Line Items]
Short-term debt	$ 0.0	$ 4.2
Long term debt	8,155.7
Other long-term debt and capital lease obligations	0.6	1.1
Total debt	8,156.3	7,745.8
Less: Short-term debt and current portion of long-term debt	(188.3)	(193.8)
Total Long-term debt	7,968.0	7,552.0
Less: Unamortized debt issuance costs	(66.9)	(71.3)
Less: Discount on Long-term debt	(9.0)	(10.8)
Total Long-term debt, net	7,892.1	7,469.9
Line of Credit \| Revolving credit facility \| 2018 Coty Revolving Credit Facility due April 2023
Debt Instrument [Line Items]
Long term debt	1,438.8	792.1
Line of Credit \| Term Loan \| 2018 Coty Term A Facility due April 2023
Debt Instrument [Line Items]
Long term debt	2,959.0	3,147.0
Line of Credit \| Term Loan \| 2018 Coty Term B Facility due April 2025
Debt Instrument [Line Items]
Long term debt	2,308.5	2,342.3
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	618.3	625.0
Senior Notes \| 2026 Euro Notes due April 2026
Debt Instrument [Line Items]
Long term debt	$ 281.1	$ 284.1

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Other Long-Term Debt And Capital Lease Obligations

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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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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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