RESTRUCTURING INITIATIVES - Open Up Avon (Details) - Open Up & Grow $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 11.8
2021 charges	9.3
Cash payments	(11.2)
Non-cash write-offs	(0.1)
Foreign exchange	(0.2)
Ending balance	9.6
Employee-Related Costs
Restructuring Reserve [Roll Forward]
Beginning balance	9.0
2021 charges	7.7
Cash payments	(9.1)
Non-cash write-offs	0.0
Foreign exchange	(0.2)
Ending balance	7.4
Inventory/Assets Write-offs
Restructuring Reserve [Roll Forward]
Beginning balance	0.0
2021 charges	0.1
Cash payments	0.0
Non-cash write-offs	(0.1)
Foreign exchange	0.0
Ending balance	0.0
Contract Terminations/Other
Restructuring Reserve [Roll Forward]
Beginning balance	2.8
2021 charges	1.5
Cash payments	(2.1)
Non-cash write-offs	0.0
Foreign exchange	0.0
Ending balance	$ 2.2