Business Segment Information (Summary of Operations by Reportable Segments) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net revenues	$ 2,641.3	$ 2,803.7
Segment Adjusted EBITDA	315.9	370.0
Unallocated corporate expense	48.4	74.5
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	103.8	167.5
Operating income	154.4	236.5
Interest Expense	(63.1)	(51.0)
Income Tax Expense (Benefit)	(51.0)	(20.2)
Depreciation	(75.0)	(70.9)
Restructuring and Related Cost, Incurred Cost	(25.6)	(6.1)
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	52.8	147.3
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(78.7)	56.4
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(25.9)	203.7
Americas [Member]
Net revenues	2,097.8	2,144.3
Segment Adjusted EBITDA	262.1	297.8
Restructuring and Related Cost, Incurred Cost	(20.8)	(3.4)
EMEA [Member]
Net revenues	364.3	383.8
Segment Adjusted EBITDA	43.2	44.7
Restructuring and Related Cost, Incurred Cost	(0.6)	(0.5)
Asia Pacific [Member]
Net revenues	179.2	275.6
Segment Adjusted EBITDA	10.6	27.5
Restructuring and Related Cost, Incurred Cost	$ (1.1)	$ (1.3)