Restructuring Initiatives - Open Up Avon (Details) - Open Up & Grow - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 24.2	$ 20.7
Charges	7.2	76.6
Adjustments	(4.8)	(5.0)
Cash payments	(15.2)	(58.7)
Non-cash write-offs	1.1	6.6
Foreign exchange	(0.7)	(2.8)
Ending Balance	11.8	24.2
Employee-Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	17.8	19.6
Charges	2.7	61.8
Adjustments	(3.0)	(4.5)
Cash payments	(7.8)	(56.3)
Non-cash write-offs	0.0	0.0
Foreign exchange	(0.7)	(2.8)
Ending Balance	9.0	17.8
Inventory write-off
Restructuring Reserve [Roll Forward]
Beginning Balance	0.0	0.0
Charges	0.7	17.5
Adjustments	(1.8)	0.0
Cash payments	0.0	0.0
Non-cash write-offs	1.1	17.5
Foreign exchange	0.0	0.0
Ending Balance	0.0	0.0
Foreign Currency Translation Adjustment Write-offs
Restructuring Reserve [Roll Forward]
Beginning Balance	0.0	0.0
Charges	0.0	(10.9)
Adjustments	0.0	0.0
Cash payments	0.0	0.0
Non-cash write-offs	0.0	(10.9)
Foreign exchange	0.0	0.0
Ending Balance	0.0	0.0
Contract termination and other net costs
Restructuring Reserve [Roll Forward]
Beginning Balance	6.4	1.1
Charges	3.8	8.2
Adjustments	0.0	(0.5)
Cash payments	(7.4)	(2.4)
Non-cash write-offs	0.0	0.0
Foreign exchange	0.0	0.0
Ending Balance	$ 2.8	$ 6.4