Segments - Reconciliation of Net Loss from Continuing Operations to Non-U.S. GAAP Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Net loss from continuing operations	$ (208.0)	$ (53.7)
Interest expense, net	(42.0)	(46.6)
Income tax provision	321.5	136.4
Depreciation and amortization	(40.4)	(37.2)
Depreciation and amortization adjustments	0.2	0.0
Special items
Restructuring and other charges	(8.6)	(1.9)
Other restructuring associated costs	(2.2)	(3.9)
(Loss) gain on acquisition and divestiture activity	(4.0)	2.3
Other special items	(0.2)	4.2
Pre-tax impact of Special Items	(9.1)	(15.4)
Non-U.S. GAAP Total Company Adjusted EBITDA from continuing operations	204.8	181.9
Diversey
Special items
Charges incurred due to the sale of Diversey	(6.8)	(16.1)
Gain from class-action litigation settlement	$ 12.7	$ 0.0