RESTRUCTURING INITIATIVES - Open Up Avon (Details) - Open Up & Grow $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 24.2
2020 charges	4.8
Adjustments	(2.3)
Cash payments	(14.7)
Non-cash write-offs	0.5
Foreign exchange	(0.7)
Ending balance	11.8
Employee-Related Costs
Restructuring Reserve [Roll Forward]
Beginning balance	17.8
2020 charges	2.3
Adjustments	(2.6)
Cash payments	(7.8)
Non-cash write-offs	0.0
Foreign exchange	(0.6)
Ending balance	9.1
Inventory/Assets Write-offs
Restructuring Reserve [Roll Forward]
Beginning balance	0.0
2020 charges	(0.5)
Adjustments	0.0
Cash payments	0.0
Non-cash write-offs	0.5
Foreign exchange	0.0
Ending balance	0.0
Contract Terminations/Other
Restructuring Reserve [Roll Forward]
Beginning balance	6.4
2020 charges	3.0
Adjustments	0.3
Cash payments	(6.9)
Non-cash write-offs	0.0
Foreign exchange	(0.1)
Ending balance	$ 2.7