DEBT - Schedule of Debt (Details) - USD ($)	Mar. 31, 2022	Jun. 30, 2021
Debt Instrument [Line Items]
Short-term debt	$ 4,800,000	$ 0
Long-term debt	4,901,400,000
Other long-term debt and capital lease obligations	100,000	200,000
Total debt	4,906,300,000	5,481,500,000
Less: Short-term debt and current portion of long-term debt	(516,500,000)	(24,200,000)
Total Long-term debt	4,389,800,000	5,457,300,000
Less: Unamortized financing fees	(45,800,000)	(51,700,000)
Less: Discount on long-term debt	(27,100,000)	(4,600,000)
Total Long-term debt, net	4,316,900,000	5,401,000,000
Senior Secured Notes \| 2026 Dollar Senior Secured Notes due April 2026
Debt Instrument [Line Items]
Long-term debt	900,000,000.0	900,000,000.0
Senior Secured Notes \| 2026 Euro Senior Secured Notes due April 2026
Debt Instrument [Line Items]
Long-term debt	781,200,000	833,300,000
Senior Secured Notes \| 2029 Dollar Senior Secured Notes due January 2029
Debt Instrument [Line Items]
Long-term debt	500,000,000.0	0
Line of Credit \| 2018 Coty Revolving Credit Facility due April 2023 \| Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	0	670,000,000.0
Line of Credit \| 2021 Coty Revolving Credit Facility due April 2025 \| Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	0	0
Line of Credit \| 2018 Coty Term A Facility due April 2023 \| Term Loan
Debt Instrument [Line Items]
Long-term debt	0	114,000,000.0
Line of Credit \| 2018 Coty Term B Facility due April 2025 \| Term Loan
Debt Instrument [Line Items]
Long-term debt	1,277,400,000	1,461,700,000
Line of Credit \| 2026 Dollar Notes due April 2026 \| Term Loan
Debt Instrument [Line Items]
Long-term debt	550,000,000.0	550,000,000.0
Line of Credit \| 2023 Euro Notes due April 2023 \| Term Loan
Debt Instrument [Line Items]
Long-term debt	613,800,000	654,700,000
Line of Credit \| 2026 Euro Notes due April 2026 \| Term Loan
Debt Instrument [Line Items]
Long-term debt	$ 279,000,000.0	$ 297,600,000

Long-term Debt and Capital Lease Obligations, Gross

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- Definition

Other Long-Term Debt And Capital Lease Obligations

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- Definition

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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt discount.

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- Definition

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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- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, including portion classified as current.

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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