Discontinued Operations and Divestitures (Narrative) (Details) - USD ($)		3 Months Ended		12 Months Ended			15 Months Ended
	Dec. 17, 2015	Sep. 30, 2017	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Mar. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net deferred tax assets				$ 181,500,000	$ 139,900,000		$ 139,900,000
Valuation allowance				3,217,700,000	3,296,000,000		3,296,000,000
Gain on sale of business				0	0	$ 44,900,000
Other comprehensive income, equity method investment				1,200,000	2,200,000	0
Investment in New Avon (Note 4)				0	32,800,000		32,800,000
Liz Earle [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business						215,000,000
Disposition of Business, Expenses						5,000,000
Gain on sale of business						44,900,000
Gain on sale of business, after tax						51.6
Two Point Three Seven Five Percent Notes, Due March Two Thousand Sixteen [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal amount of debt								$ 250,000,000
Interest rate, stated percentage								2.375%
New Avon [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other comprehensive income, equity method investment				100,000	2,200,000
Investment in New Avon (Note 4)	$ 42,500,000
Discontinued Operations [Member] | North America Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Issuance of Convertible Preferred Stock	$ 435,000,000
Discontinued Operation, Equity Method Investment Amount Not Retained after Disposal, Ownership Interest	80.10%
Cash contribution into privately-held company	$ 100,000,000
Proceeds on sale used to reduce debt	250,000,000
Proceeds for issuance of membership interests	$ 170,000,000
Percentage of ownership after transaction	19.90%
Discontinued Operation, Working Capital Adjustment	$ 6,000,000
Loss on sale of discontinued operations, before tax			$ 340,000,000		15,600,000	$ 340,000,000	355,600,000
Discontinued Operations, loss on sale of business, after tax			$ 340,000,000				$ 345,400,000
Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, before Income Tax					(15,600,000)
Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, Net of Tax					(5,400,000)
Other Expense [Member] | New Avon [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (Loss) from Equity Method Investments		$ 1,700,000		$ 11,500,000	$ 11,900,000