Accumulated Other Comprehensive Income (Loss) (Components of Comprehensive Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	$ (904.5)
Other comprehensive (loss) other than reclassifications	(16.9)	$ (114.7)
Derivative loss on cash flow hedges, net of tax of $0	1.3	0.0
Amortization of net actuarial loss and prior service cost, net of tax of $0.6	9.4	10.5
Sale of New Avon	(3.4)
Total reclassifications into earnings	7.3	10.5
Accumulated other comprehensive income, ending balance	(990.6)	(904.5)
Derivative gains on cash flow hedges, tax	0.0	0.0
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	(936.2)	(829.6)
Other comprehensive (loss) other than reclassifications	(6.5)	(106.6)
Total reclassifications into earnings	0.0	0.0
Accumulated other comprehensive income, ending balance	(942.7)	(936.2)
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	0.5	0.0
Other comprehensive (loss) other than reclassifications	(2.4)	0.5
Derivative loss on cash flow hedges, net of tax of $0	1.3	0.0
Total reclassifications into earnings	1.3
Accumulated other comprehensive income, ending balance	(0.6)	0.5
Net Investment Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	(4.3)	(4.3)
Other comprehensive (loss) other than reclassifications	0.0	0.0
Total reclassifications into earnings	0.0	0.0
Accumulated other comprehensive income, ending balance	(4.3)	(4.3)
Pension and Postretirement Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	(93.8)	(95.7)
Other comprehensive (loss) other than reclassifications	(8.0)	(8.6)
Amortization of net actuarial loss and prior service cost, net of tax of $0.6	9.4	10.5
Total reclassifications into earnings	9.4	10.5
Accumulated other comprehensive income, ending balance	(92.4)	(93.8)
Amortization of net actuarial loss and prior service cost, tax	0.4	0.6
Investment in New Avon
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	3.4	3.4
Other comprehensive (loss) other than reclassifications	0.0	0.0
Sale of New Avon	(3.4)
Total reclassifications into earnings	(3.4)	0.0
Accumulated other comprehensive income, ending balance	0.0	3.4
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income, beginning balance	(1,030.4)	(926.2)
Accumulated other comprehensive income, ending balance	$ (1,040.0)	$ (1,030.4)