MERGER WITH NATURA COSMETICOS S.A. (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	9 Months Ended		12 Months Ended
	May 22, 2019	Jan. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 30, 2019
Business Combination, Separately Recognized Transactions [Line Items]
Stock, shares authorized (in shares)						1,525,000,000	1,525,000,000
Common stock, authorized (in shares)		1,000				1,500,000,000	1,500,000,000
Common stock (in dollars per share)		$ 0.01	$ 0.01	$ 0.01		$ 0.25	$ 0.25
Preferred stock, authorized (in shares)						25,000,000	25,000,000
Preferred stock, par value (in dollars per share)		$ 0.01				$ 1.00	$ 1.00
Stock converted or cancelled (in shares)		550,890,788
Common stock, shares outstanding (in shares)		101.34	101.34	101.34
Settlement of stock options			$ 0.0	$ 25.8
Minimum
Business Combination, Separately Recognized Transactions [Line Items]
Lost tax attributes		$ 546.0
Maximum
Business Combination, Separately Recognized Transactions [Line Items]
Lost tax attributes		616.0
Affiliates of Natura&Co
Business Combination, Separately Recognized Transactions [Line Items]
Dividends		91.5
Merger Agreement
Business Combination, Separately Recognized Transactions [Line Items]
Share conversion ratio	60.00%
Acquisition expenses				44.0	$ 46.0
Severance costs		25.0		25.0
Accelerated share based compensation		10.0		$ 10.0
Settlement of stock options		26.0
Deferred compensation expense		12.0
Write off debt issuance costs		$ 7.8
Merger Agreement | Affiliates of Natura&Co
Business Combination, Separately Recognized Transactions [Line Items]
Common stock composing one American depository shares (in shares)	2
American Depositary Shares | Merger Agreement
Business Combination, Separately Recognized Transactions [Line Items]
Share conversion ratio	30.00%