Discontinued Operations and Divestitures Discontinued Operations Table (Details) - USD ($) $ in Millions	3 Months Ended					12 Months Ended			15 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2014
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Loss from discontinued operations, net of tax	$ (1.1)	$ (0.7)	$ (2.6)	$ (9.6)		$ 0.0	$ (14.0)	$ (349.1)
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents					$ (2.2)			(2.2)		$ 24.1
Disposal Group, Including Discontinued Operation, Assets, Current	1.3					0.0	1.3		$ 1.3
Disposal Group, Including Discontinued Operation, Liabilities, Current	$ 10.7					$ 0.0	10.7		10.7
North America Segment [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income taxes							(10.2)
Discontinued Operations [Member] | North America Segment [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Total revenue							135.2	1,012.5
Cost of sales							53.2	404.0
Selling, general and administrative expenses							91.5	606.2
Operating (loss) income							(9.5)	2.3
Other income (expense) items							0.6	(3.2)
Loss from discontinued operations, before tax							(8.9)	(0.9)
Loss on sale of discontinued operations, before tax					$ (340.0)		(15.6)	(340.0)	$ (355.6)
Income taxes							10.5	(8.2)
Loss from discontinued operations, net of tax							$ (14.0)	$ (349.1)