FAIR VALUE - Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans from affiliates of Natura &Co maturing after one year	$ (776.0)	$ 0.0
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities	0.0	4.2
Debt maturing within one year	(59.8)	(28.0)
Loans from affiliates of Natura &Co maturing within one year	(393.9)	(1,008.6)
Long-term debt	(676.4)	(675.4)
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities	0.0	4.2
Debt maturing within one year	(59.8)	(28.0)
Loans from affiliates of Natura &Co maturing within one year	(393.9)	(1,008.6)
Long-term debt	(781.7)	(782.4)
Foreign exchange forward contracts | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign exchange forward contracts	0.3	(3.2)
Foreign exchange forward contracts | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign exchange forward contracts	$ 0.3	$ (3.2)