DEBT - Narrative (Details)				1 Months Ended	12 Months Ended
	Mar. 24, 2015 USD ($)	Sep. 29, 2014 USD ($)	Apr. 02, 2013 USD ($)	Apr. 30, 2013 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Mar. 31, 2018	Dec. 31, 2016	Dec. 31, 2015	Mar. 31, 2015 USD ($)	Jun. 25, 2014 USD ($)	Jun. 16, 2010 USD ($)
Debt Instrument [Line Items]
Short-term debt					$ 22,100,000	$ 18,800,000
Weighted-average interest rate (as a percent)					7.10%	6.70%
Amount of debt					$ 2,611,500,000
Deferred financing fees write-off					900,000	$ 0	$ 2,600,000
Loss on early extinguishment of debt					88,800,000	$ 0	$ 0
Senior Notes:
Debt Instrument [Line Items]
Repayment amount		$ 500,000,000
Deferred financing fees write-off					4,200,000
Accrued interest		8,000,000
Make-whole amount		$ 84,600,000
Loss on early extinguishment of debt					88,800,000
Coty Inc. Credit Facility
Debt Instrument [Line Items]
Repayment amount	$ 200,000,000
Deferred financing fees write-off					900,000
Coty Inc. Credit Facility
Debt Instrument [Line Items]
Consolidated leverage ratio		4.5
Coty Inc. Credit Facility | Scenario, Forecast
Debt Instrument [Line Items]
Consolidated leverage ratio								3.50	3.75	3.95
Coty Inc. Credit Facility | Other Noncurrent Assets
Debt Instrument [Line Items]
Deferred finance fees					$ 3,100,000						$ 3,100,000
Credit Agreement due April 2018
Debt Instrument [Line Items]
Amount of debt	$ 800,000,000
Credit Agreement due April 2018 | Consolidated Leverage Ratio
Debt Instrument [Line Items]
Spread on variable rate (as a percent)					1.63%
Credit Agreement due April 2018 | Minimum | Consolidated Leverage Ratio
Debt Instrument [Line Items]
Spread on variable rate (as a percent)	0.125%
Credit Agreement due April 2018 | Maximum | Consolidated Leverage Ratio
Debt Instrument [Line Items]
Spread on variable rate (as a percent)	1.875%
Senior Notes:
Debt Instrument [Line Items]
Long-term debt													$ 500,000,000
Credit Agreement Due September 2015 | Prepaid Expenses and Other Current Assets
Debt Instrument [Line Items]
Deferred financing fees					$ 1,900,000
Credit Agreement Due September 2015 | Minimum
Debt Instrument [Line Items]
Spread on variable rate (as a percent)		0.00%
Credit Agreement Due September 2015 | Maximum
Debt Instrument [Line Items]
Spread on variable rate (as a percent)		1.75%
Incremental Term Loan
Debt Instrument [Line Items]
Weighted average interest rate (as a percent)					1.70%	1.60%	1.90%
Incremental Term Loan | Term Loan
Debt Instrument [Line Items]
Deferred finance fees												$ 2,200,000
Long-term debt												$ 625,000,000
2013 Revolving Facility
Debt Instrument [Line Items]
Consolidated leverage ratio					3.95
Weighted average interest rate (as a percent)					1.40%	1.30%	1.60%
Interest coverage ratio					3.0
Interest coverage ratio following an acquisition					4.5
5.12% Series A notes due June 2017 | Senior Notes:
Debt Instrument [Line Items]
Long-term debt													$ 100,000,000
Stated interest rate (as a percent)						5.12%							5.12%
5.67% Series B notes due June 2020 | Senior Notes:
Debt Instrument [Line Items]
Long-term debt													$ 225,000,000
Stated interest rate (as a percent)						5.67%							5.67%
5.82% Series C notes due June 2022 | Senior Notes:
Debt Instrument [Line Items]
Long-term debt													$ 175,000,000
Stated interest rate (as a percent)						5.82%							5.82%
Short-term Lines of Credit
Debt Instrument [Line Items]
Available lines of credit					$ 127,700,000	$ 141,400,000
Short-term debt					$ 22,100,000	$ 18,800,000
Short-term Lines of Credit | Minimum
Debt Instrument [Line Items]
Interest rate spread (as a percent)					0.74%	1.30%
Short-term Lines of Credit | Maximum
Debt Instrument [Line Items]
Interest rate spread (as a percent)					18.00%	13.50%
Revolving Credit Facility, Swing Line Loan | Line of Credit
Debt Instrument [Line Items]
Available lines of credit			$ 80,000,000
Letter of credit
Debt Instrument [Line Items]
Undrawn letters of credit					$ 4,100,000	$ 3,600,000
Revolving Loan Facility due April 2018 | 2013 Term Loan | Line of Credit
Debt Instrument [Line Items]
Available lines of credit			$ 1,250,000,000
Quarterly repayments 2016 (as a percent)			17500000000.00%
Quarterly repayments 2017 (as a percent)			87500000000.00%
2013 Revolving Facility | Line of Credit
Debt Instrument [Line Items]
Available lines of credit			$ 1,250,000,000
Undrawn letters of credit					$ 1,113,500,000
Deferred financing fees write-off				$ 2,600,000
2013 Revolving Facility | Line of Credit | Minimum | Consolidated Leverage Ratio
Debt Instrument [Line Items]
Commitment fee (as a percent)			0.15%
2013 Revolving Facility | Line of Credit | Maximum | Consolidated Leverage Ratio
Debt Instrument [Line Items]
Commitment fee (as a percent)			0.25%
2013 Revolving Facility | Term Loan | Minimum | Consolidated Leverage Ratio
Debt Instrument [Line Items]
Spread on variable rate (as a percent)					0.00%
2013 Revolving Facility | Term Loan | Maximum | Consolidated Leverage Ratio
Debt Instrument [Line Items]
Spread on variable rate (as a percent)					1.75%
2013 Revolving Facility | Incremental Term Loan | Minimum | Consolidated Leverage Ratio
Debt Instrument [Line Items]
Spread on variable rate (as a percent)					0.00%
2013 Revolving Facility | Incremental Term Loan | Maximum | Consolidated Leverage Ratio
Debt Instrument [Line Items]
Spread on variable rate (as a percent)					1.75%
Term Loan | Credit Agreement Due September 2015
Debt Instrument [Line Items]
Available lines of credit		$ 600,000,000
Term Loan | 2013 Term Loan due March 2018
Debt Instrument [Line Items]
Remaining amount outstanding of term loan					$ 1,050,000,000
Amount of debt					$ 1,050,000,000	$ 1,250,000,000