RESTRUCTURING INITIATIVES - Open Up Avon (Details) - Open Up & Grow $ in Millions	6 Months Ended
	Jun. 30, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 11.8
2021 charges	27.9
Cash payments	(14.3)
Non-cash write-offs	(0.2)
Foreign exchange	(0.2)
Ending balance	25.0
Employee-Related Costs
Restructuring Reserve [Roll Forward]
Beginning balance	9.0
2021 charges	26.2
Cash payments	(12.0)
Non-cash write-offs	0.0
Foreign exchange	(0.1)
Ending balance	23.1
Inventory/Assets Write-offs
Restructuring Reserve [Roll Forward]
Beginning balance	0.0
2021 charges	0.2
Cash payments	0.0
Non-cash write-offs	(0.2)
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	(2.3)
Non-cash write-offs	0.0
Foreign exchange	(0.1)
Ending balance	$ 1.9