Debt Instrument, Covenant, Total Net Leverage Ratio

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Debt Instrument, Covenant, Total Net Leverage Ratio, Material Acquisition

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Debt Instrument, Discount Percentage

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Debt Instrument, Early Redemption Premium, Percent Of Outstanding Principal Amount

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The percentage used to calculate the quarterly repayments based on the original principal amount.

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Debt Instrument, Redemption Price, Percentage Of Principal Amount Outstanding

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Debt Instrument, Unamortized Discount, Percentage

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- Definition

Debt Instrument, Variable Rate, Minimum

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Line of Credit Facility, Accordion Feature, Increase Limit

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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

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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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The effective interest rate during the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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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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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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DEBT - Narrative (Details)				12 Months Ended			48 Months Ended	72 Months Ended
DEBT - Narrative (Details)	Apr. 05, 2018 USD ($)	Oct. 28, 2016 USD ($)	Jan. 26, 2016 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Sep. 30, 2021	Sep. 30, 2023	Jun. 30, 2018 EUR (€)	Apr. 05, 2018 EUR (€)	Jun. 30, 2017 EUR (€)	Jun. 30, 2016 EUR (€)	Apr. 08, 2016 EUR (€)	Oct. 27, 2015 USD ($)	Oct. 27, 2015 EUR (€)
Debt Instrument [Line Items]
Short-term debt				$ 9,200,000	$ 3,700,000
Weighted-average interest rate (as a percent)				2.20%	3.00%				2.20%		3.00%
Deferred financing fees				$ 86,200,000	$ 67,600,000
Short-term Lines of Credit
Debt Instrument [Line Items]
Principal Amount				129,200,000.0	132,400,000.0
Short-term debt				$ 4,700,000	$ 3,200,000
Short-term Lines of Credit \| Minimum
Debt Instrument [Line Items]
Interest rate spread (as a percent)				0.20%	0.40%
Short-term Lines of Credit \| Maximum
Debt Instrument [Line Items]
Interest rate spread (as a percent)				10.70%	11.20%
Letter of credit
Debt Instrument [Line Items]
Undrawn letters of credit				$ 5,400,000	$ 5,500,000
Line of Credit
Debt Instrument [Line Items]
Recognized deferred financing fees				37,800,000	24,400,000	$ 59,000,000
Payments of debt issuance costs				24,100,000
Deferred financing fees write-off				8,700,000	0	3,100,000
Line of Credit \| Other Noncurrent Assets
Debt Instrument [Line Items]
Deferred financing fees				$ 0	4,200,000
Line of Credit \| Minimum
Debt Instrument [Line Items]
Maximum total net leverage ratio covenant				1.00
Line of Credit \| Maximum
Debt Instrument [Line Items]
Maximum total net leverage ratio covenant				5.95
Line of Credit \| 2018 Coty Term A Facility
Debt Instrument [Line Items]
Principal Amount	$ 1,000,000,000.0									€ 2,035,000,000.0
Line of Credit \| 2018 Coty Term B Facility
Debt Instrument [Line Items]
Principal Amount	$ 1,400,000,000.0									€ 850,000,000.0
Discount percentage	0.25%									0.25%
Line of Credit \| Letter of credit \| 2018 Coty Revolving Credit Facility
Debt Instrument [Line Items]
Principal Amount	$ 150,000,000.0
Line of Credit \| Revolving credit facility \| JPMorgan Chase NA, as Administrative Agent
Debt Instrument [Line Items]
Principal Amount														$ 1,500,000,000.0
Line of Credit \| Revolving credit facility \| Coty Credit Agreement
Debt Instrument [Line Items]
Principal Amount					1,500,000,000	1,500,000,000
Line of Credit \| Revolving credit facility \| Galleria Credit Agreement
Debt Instrument [Line Items]
Principal Amount					1,500,000,000
Line of Credit \| Revolving credit facility \| 2018 Coty Revolving Credit Facility
Debt Instrument [Line Items]
Principal Amount	3,250,000,000.0
Line of Credit \| Swingline loans \| JPMorgan Chase NA, as Administrative Agent
Debt Instrument [Line Items]
Principal Amount														80,000,000.0
Line of Credit \| Swingline loans \| 2018 Coty Revolving Credit Facility
Debt Instrument [Line Items]
Principal Amount	150,000,000.0
Line of Credit \| Incurrence Incremental Facilities \| 2018 Coty Revolving Credit Facility
Debt Instrument [Line Items]
Principal Amount	$ 1,700,000,000
Total net leverage ratio	3.00
Line of Credit \| Term Loan \| 2026 Dollar Notes
Debt Instrument [Line Items]
Applicable margin percentage				6.50%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020
Debt Instrument [Line Items]
Deferred financing fees					33,200,000
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| U.S. Dollar
Debt Instrument [Line Items]
Amount of debt					$ 1,750,000,000	$ 1,750,000,000
Repayment percentage					1.25%	1.25%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Euro
Debt Instrument [Line Items]
Amount of debt \| €											€ 140,000,000	€ 140,000,000
Repayment percentage					1.25%	1.25%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| JPMorgan Chase NA, as Administrative Agent
Debt Instrument [Line Items]
Amount of debt														$ 1,750,000,000.0
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| JPMorgan Chase NA, as Administrative Agent \| Euro
Debt Instrument [Line Items]
Additional commitments under facility \| €													€ 140,000,000.0
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022
Debt Instrument [Line Items]
Deferred financing fees					$ 11,300,000
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| U.S. Dollar
Debt Instrument [Line Items]
Amount of debt					$ 600,000,000	$ 500,000,000
Debt discount (percentage)					0.50%	0.50%					0.50%	0.50%
Repayment percentage					0.25%	0.25%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Euro
Debt Instrument [Line Items]
Principal Amount \| €											€ 990,000,000.0	€ 990,000,000.0
Debt discount (percentage)					0.50%	0.50%					0.50%	0.50%
Repayment percentage					0.25%	0.25%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| JPMorgan Chase NA, as Administrative Agent
Debt Instrument [Line Items]
Debt discount (percentage)														0.50%	0.50%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| JPMorgan Chase NA, as Administrative Agent \| U.S. Dollar
Debt Instrument [Line Items]
Amount of debt														$ 500,000,000.0
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| JPMorgan Chase NA, as Administrative Agent \| Euro
Debt Instrument [Line Items]
Amount of debt \| €															€ 665,000,000.0
Additional commitments under facility \| €													€ 325,000,000.0
Repayment percentage					0.25%
Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021
Debt Instrument [Line Items]
Amount of debt					$ 2,000,000,000.0
Deferred financing fees					2,700,000
Line of Credit \| Term Loan \| Incremental Term A Facility \| JPMorgan Chase NA, as Administrative Agent
Debt Instrument [Line Items]
Additional commitments under facility		$ 975,000,000.0
Debt instrument term		5 years
Line of Credit \| Term Loan \| Refinancing Term B USD Facility \| JPMorgan Chase NA, as Administrative Agent \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage		1.50%
Line of Credit \| Term Loan \| Incremental Term B Facility \| JPMorgan Chase NA, as Administrative Agent
Debt Instrument [Line Items]
Additional commitments under facility		$ 100,000,000.0
Line of Credit \| Term Loan \| Galleria Term Loan B Facility due September 2023
Debt Instrument [Line Items]
Amount of debt					1,000,000,000
Deferred financing fees					3,000,000
Line of Credit \| Term Loan \| 2023 Euro Notes \| Euro
Debt Instrument [Line Items]
Applicable margin percentage				4.00%
Line of Credit \| Term Loan \| 2026 Euro Notes \| Euro
Debt Instrument [Line Items]
Applicable margin percentage				4.75%
Convertible Debt
Debt Instrument [Line Items]
Deferred financing fees write-off				$ 2,000,000	$ 0	$ 0
Senior Notes
Debt Instrument [Line Items]
Redemption Price, percentage	100.00%
Early redemption premium, percent of outstanding principal amount	1.00%
Applicable margin percentage				0.50%
Senior Notes \| 2026 Dollar Notes
Debt Instrument [Line Items]
Amount of debt	$ 550,000,000.0
Stated interest rate (as a percent)	6.50%									6.50%
Deferred financing fees				$ 8,300,000
Senior Notes \| 2023 Euro Notes
Debt Instrument [Line Items]
Amount of debt \| €										€ 550,000,000.0
Stated interest rate (as a percent)	4.00%									4.00%
Senior Notes \| 2026 Euro Notes
Debt Instrument [Line Items]
Amount of debt \| €										€ 250,000,000.0
Stated interest rate (as a percent)	4.75%									4.75%
Senior Notes \| Term Loan \| 2026 Dollar Notes \| U.S. Dollar
Debt Instrument [Line Items]
Amount of debt				$ 550,000,000
Senior Notes \| Term Loan \| 2023 Euro Notes \| Euro
Debt Instrument [Line Items]
Amount of debt \| €									€ 550,000,000
Senior Notes \| Term Loan \| 2026 Euro Notes \| Euro
Debt Instrument [Line Items]
Amount of debt \| €									€ 250,000,000
LIBOR \| Coty Term Loan B Facility due October 2022
Debt Instrument [Line Items]
Applicable margin percentage				2.25%
LIBOR \| Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| Minimum
Debt Instrument [Line Items]
Applicable margin percentage					1.00%	1.00%
LIBOR \| Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| Maximum
Debt Instrument [Line Items]
Applicable margin percentage					2.00%	2.00%
LIBOR \| Line of Credit \| Revolving credit facility \| Galleria Credit Agreement \| Minimum
Debt Instrument [Line Items]
Applicable margin percentage					1.00%
LIBOR \| Line of Credit \| Revolving credit facility \| Galleria Credit Agreement \| Maximum
Debt Instrument [Line Items]
Applicable margin percentage					2.00%
LIBOR \| Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Minimum \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage					1.00%	1.00%
LIBOR \| Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Maximum \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage					2.00%	2.00%
LIBOR \| Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage					2.50%
LIBOR \| Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Minimum \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage						0.75%
LIBOR \| Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Maximum \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage						3.00%
LIBOR \| Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021
Debt Instrument [Line Items]
Repayment percentage					1.25%
LIBOR \| Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021 \| Minimum
Debt Instrument [Line Items]
Applicable margin percentage					1.00%
LIBOR \| Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021 \| Maximum
Debt Instrument [Line Items]
Applicable margin percentage					2.00%
LIBOR \| Line of Credit \| Term Loan \| Refinancing Term B USD Facility \| JPMorgan Chase NA, as Administrative Agent \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage		2.50%
LIBOR \| Line of Credit \| Term Loan \| Incremental Term B Facility \| JPMorgan Chase NA, as Administrative Agent
Debt Instrument [Line Items]
Variable rate, minimum		0.00%
Deferred financing fees				$ 13,000,000
LIBOR \| Line of Credit \| Term Loan \| Galleria Term Loan B Facility due September 2023
Debt Instrument [Line Items]
Applicable margin percentage					3.00%
Repayment percentage					0.25%
Base Rate \| Coty Term Loan B Facility due October 2022
Debt Instrument [Line Items]
Applicable margin percentage				1.25%
Base Rate \| Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| Minimum
Debt Instrument [Line Items]
Applicable margin percentage					0.00%	0.00%
Base Rate \| Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| Maximum
Debt Instrument [Line Items]
Applicable margin percentage					1.00%	1.00%
Base Rate \| Line of Credit \| Revolving credit facility \| Galleria Credit Agreement \| Minimum
Debt Instrument [Line Items]
Applicable margin percentage					0.00%
Base Rate \| Line of Credit \| Revolving credit facility \| Galleria Credit Agreement \| Maximum
Debt Instrument [Line Items]
Applicable margin percentage					1.00%
Base Rate \| Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Minimum \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage					0.00%	0.00%
Base Rate \| Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Maximum \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage					1.00%	1.00%
Base Rate \| Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage					2.00%
Base Rate \| Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Minimum \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage						1.75%
Base Rate \| Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Maximum \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage						2.00%
Base Rate \| Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021 \| Minimum
Debt Instrument [Line Items]
Applicable margin percentage					0.00%
Base Rate \| Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021 \| Maximum
Debt Instrument [Line Items]
Applicable margin percentage					1.00%
Base Rate \| Line of Credit \| Term Loan \| Galleria Term Loan B Facility due September 2023
Debt Instrument [Line Items]
Applicable margin percentage					2.00%
EURIBOR \| Coty Term Loan B Facility due October 2022
Debt Instrument [Line Items]
Applicable margin percentage				2.50%
EURIBOR \| Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Minimum \| Euro
Debt Instrument [Line Items]
Applicable margin percentage					1.00%	1.00%
EURIBOR \| Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Maximum \| Euro
Debt Instrument [Line Items]
Applicable margin percentage					2.00%	2.00%
EURIBOR \| Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Euro
Debt Instrument [Line Items]
Applicable margin percentage						0.75%
EURIBOR \| Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Maximum \| Euro
Debt Instrument [Line Items]
Applicable margin percentage					2.75%
Federal Funds Effective Swap Rate \| Line of Credit \| Term Loan \| Refinancing Term B USD Facility \| JPMorgan Chase NA, as Administrative Agent \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage		0.50%
London Interbank Offered Rate (LIBOR), One-Month \| Line of Credit \| Term Loan \| Refinancing Term B USD Facility \| JPMorgan Chase NA, as Administrative Agent \| U.S. Dollar
Debt Instrument [Line Items]
Applicable margin percentage		1.00%
Galleria \| Line of Credit \| Galleria Credit Agreement
Debt Instrument [Line Items]
Long term debt			$ 1,941,800,000
Galleria \| Line of Credit \| Revolving credit facility \| Galleria Revolving Credit Facility due September 2021
Debt Instrument [Line Items]
Principal Amount			$ 1,500,000,000.0
Debt instrument term			5 years
Long term debt			$ 0
Galleria \| Line of Credit \| Accounts Payable \| Galleria Revolving Credit Facility due September 2021
Debt Instrument [Line Items]
Debt instrument fees			2,500,000
Galleria \| Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021
Debt Instrument [Line Items]
Amount of debt			$ 2,000,000,000.0
Debt instrument term			5 years
Long term debt			$ 944,300,000
Galleria \| Line of Credit \| Term Loan \| Galleria Term Loan B Facility due September 2023
Debt Instrument [Line Items]
Amount of debt			$ 1,000,000,000.0
Debt discount (percentage)			0.50%
Debt instrument term			7 years
Long term debt			$ 995,000,000
Galleria \| Line of Credit \| Term Loan \| Galleria Credit Agreement
Debt Instrument [Line Items]
Deferred financing fees				$ 11,400,000
Scenario, Forecast \| Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021
Debt Instrument [Line Items]
Repayment percentage							1.25%
Scenario, Forecast \| Line of Credit \| Term Loan \| Galleria Term Loan B Facility due September 2023
Debt Instrument [Line Items]
Repayment percentage								0.25%
2021 \| Senior Notes \| 2026 Dollar Notes
Debt Instrument [Line Items]
Redemption Price, percentage				106.50%
2021 \| Senior Notes \| 2026 Euro Notes
Debt Instrument [Line Items]
Redemption Price, percentage				104.75%
2020 \| Maximum
Debt Instrument [Line Items]
Redemption Price, percentage	35.00%
Redemption price, percentage of principal amount outstanding	65.00%
2020 \| Senior Notes \| 2023 Euro Notes
Debt Instrument [Line Items]
Redemption Price, percentage				104.00%