RESTRUCTURING INITIATIVES (Restructuring Initiatives by Charge Type) (Details) $ in Millions	Sep. 30, 2018 USD ($)
Transformation Plan
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	$ 174.9
Estimated charges to be incurred on approved initiatives	6.1
Total expected charges on approved initiatives	181.0
Transformation Plan | Employee-Related Costs
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	134.9
Estimated charges to be incurred on approved initiatives	0.2
Total expected charges on approved initiatives	135.1
Transformation Plan | Inventory/ Asset Write-offs
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	1.9
Estimated charges to be incurred on approved initiatives	0.0
Total expected charges on approved initiatives	1.9
Transformation Plan | Contract Terminations/Other
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	34.7
Estimated charges to be incurred on approved initiatives	5.9
Total expected charges on approved initiatives	40.6
Transformation Plan | Foreign Currency Translation Adjustments
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	3.4
Estimated charges to be incurred on approved initiatives	0.0
Total expected charges on approved initiatives	3.4
Open Up Avon
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	10.8
Estimated charges to be incurred on approved initiatives	0.0
Total expected charges on approved initiatives	10.8
Open Up Avon | Employee-Related Costs
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	8.0
Estimated charges to be incurred on approved initiatives	0.0
Total expected charges on approved initiatives	8.0
Open Up Avon | Inventory/ Asset Write-offs
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	2.5
Estimated charges to be incurred on approved initiatives	0.0
Total expected charges on approved initiatives	2.5
Open Up Avon | Contract Terminations/Other
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	0.3
Estimated charges to be incurred on approved initiatives	0.0
Total expected charges on approved initiatives	0.3
Open Up Avon | Foreign Currency Translation Adjustments
Restructuring Cost and Reserve [Line Items]
Charges incurred to-date	0.0
Estimated charges to be incurred on approved initiatives	0.0
Total expected charges on approved initiatives	$ 0.0