FAIR VALUE MEASUREMENTS - Fair Values Of The Company’s Financial Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2015	Jun. 30, 2014
Carrying Amount
Debt Instrument [Line Items]
Dividends payable	$ 1.4	$ 0.9
Carrying Amount | Senior Notes: | Senior Notes Series A
Debt Instrument [Line Items]
Debt instrument, value	0.0	100.0
Carrying Amount | Senior Notes: | Senior Notes Series B
Debt Instrument [Line Items]
Debt instrument, value	0.0	225.0
Carrying Amount | Senior Notes: | Senior Notes Series C
Debt Instrument [Line Items]
Debt instrument, value	0.0	175.0
Carrying Amount | Coty Inc. Credit Agreements
Debt Instrument [Line Items]
Debt instrument, value	2,611.5	2,774.5
Fair Value
Debt Instrument [Line Items]
Dividends payable	1.1	0.7
Fair Value | Senior Notes: | Senior Notes Series A
Debt Instrument [Line Items]
Debt instrument, value	0.0	109.7
Fair Value | Senior Notes: | Senior Notes Series B
Debt Instrument [Line Items]
Debt instrument, value	0.0	256.3
Fair Value | Senior Notes: | Senior Notes Series C
Debt Instrument [Line Items]
Debt instrument, value	0.0	199.9
Fair Value | Coty Inc. Credit Agreements
Debt Instrument [Line Items]
Debt instrument, value	$ 2,614.2	$ 2,763.2