SUBSEQUENT EVENTS - Schedule of Maturities of Long Term Debts(Details) - USD ($) $ in Millions	Apr. 05, 2018	Mar. 31, 2018
Line of Credit Facility [Line Items]
2018, remaining		$ 55.1
2019		220.2
2020		220.2
2021		2,532.9
2022		$ 2,231.0
Revolving Credit Facility | 2018 Coty Revolving Credit Facility | Subsequent Event
Line of Credit Facility [Line Items]
2018, remaining	$ 0.0
2019	199.7
2020	199.7
2021	199.7
2022	199.7
2023	4,005.8
Thereafter	3,182.0
Total	$ 7,986.6