RESTRUCTURING INITIATIVES - Open Up Avon (Details) - Open Up & Grow $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 11.8
2021 charges	34.5
Cash payments	(22.0)
Non-cash write-offs	(1.1)
Foreign exchange	(0.5)
Ending balance	22.7
Employee-Related Costs
Restructuring Reserve [Roll Forward]
Beginning balance	9.0
2021 charges	30.8
Cash payments	(18.1)
Non-cash write-offs	0.0
Foreign exchange	(0.4)
Ending balance	21.3
Inventory/Assets Write-offs
Restructuring Reserve [Roll Forward]
Beginning balance	0.0
2021 charges	1.1
Cash payments	0.0
Non-cash write-offs	(1.1)
Foreign exchange	0.0
Ending balance	0.0
Contract Terminations/Other
Restructuring Reserve [Roll Forward]
Beginning balance	2.8
2021 charges	2.6
Cash payments	(3.9)
Non-cash write-offs	0.0
Foreign exchange	(0.1)
Ending balance	$ 1.4