Description of the Business and Summary of Significant Accounting Policies (Narrative) (Details) $ / shares in Units, $ in Millions	1 Months Ended			12 Months Ended
	Jan. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($) $ / shares	Dec. 31, 2015 USD ($)	Dec. 31, 2020 USD ($) segment channel region	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Apr. 30, 2019	Mar. 01, 2016
Property, Plant and Equipment [Line Items]
Number of business channels | channel				1
Number of regions where company has geographic operations | region				2
Number of reportable segments | segment				2	4
Dividend paid (in USD per share) | $ / shares	$ 0.016
Dividends declared (in USD per share) | $ / shares		$ 0.016
Payments of dividends	$ 9.0			$ 8.6	$ 0.0	$ 0.0
Foreign exchange (gains) losses				(5.1)	(51.5)	14.9
Prepaid expenses and other		$ 252.1		204.2	252.1
Brochure costs						106.2
Brochure income				66.8	96.9	117.0
Capitalized software		83.1		76.0	83.1
Amortization of capitalized software				24.5	24.7	26.5
Shipping and handling costs				2,152.9	2,627.5	2,972.1
Advertising costs				59.9	72.9	127.6
Research and development costs				$ 36.5	40.6	48.0
Amortization period for gains and losses, period 1				3 years
Amortization period for gains and losses, period 2				5 years
Revision of Prior Period, Reclassification, Adjustment
Property, Plant and Equipment [Line Items]
Foreign exchange (gains) losses					37.4
Settlement of derivative operations					37.4
New Avon
Property, Plant and Equipment [Line Items]
Ownership							19.90%	19.90%
Deferred Brochure Costs
Property, Plant and Equipment [Line Items]
Prepaid expenses and other		4.8		$ 6.7	4.8
Cost of Sales
Property, Plant and Equipment [Line Items]
Brochure costs				75.8	101.1	113.5
Selling, General and Administrative Expenses
Property, Plant and Equipment [Line Items]
Brochure costs				77.1	93.9
Shipping and Handling
Property, Plant and Equipment [Line Items]
Shipping and handling costs				$ 373.1	432.1	$ 503.5
Minimum
Property, Plant and Equipment [Line Items]
Prepaid brochures, campaign period				21 days
Number of years used in calculating the estimated fair value of reporting units				5 years
Maximum
Property, Plant and Equipment [Line Items]
Prepaid brochures, campaign period				28 days
Number of years used in calculating the estimated fair value of reporting units				10 years
Tooling
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net		12.9		$ 7.4	12.9
Property plant and equipment, at cost		94.4			94.4
Accumulated depreciation		81.5			81.5
Buildings
Property, Plant and Equipment [Line Items]
Estimated useful lives				45 years
Land Improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives				20 years
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives				15 years
Office Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives				5 years
Office Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives				10 years
Deferred Brochure Costs
Property, Plant and Equipment [Line Items]
Inventory		$ 8.9		$ 7.6	$ 8.9
Discontinued Operations | North America Segment
Property, Plant and Equipment [Line Items]
Cash contribution into privately-held company			$ 100.0
Percentage of ownership after transaction			20.00%
Affiliated Entity
Property, Plant and Equipment [Line Items]
Sale of convertible preferred stock			$ 435.0