Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (1,556.6)	$ (1,386.6)
Intangible assets, gross (excluding goodwill)	5,499.7	5,228.7
Intangible assets, net (excluding goodwill)	3,943.1	3,842.1
Trade names
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	620.5	608.9
Customer related intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	4,140.8	3,926.8
Accumulated amortization	(1,205.3)	(1,083.6)
Finite-lived intangible assets, net	2,935.5	2,843.2
Unpatented technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	546.3	504.0
Accumulated amortization	(237.6)	(199.5)
Finite-lived intangible assets, net	308.7	304.5
Software
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	172.1	172.0
Accumulated amortization	(102.4)	(93.2)
Finite-lived intangible assets, net	69.7	78.8
Patents and other protective rights
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	12.1	9.7
Accumulated amortization	(7.9)	(7.5)
Finite-lived intangible assets, net	4.2	2.2
Trade names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	7.9	7.3
Accumulated amortization	(3.4)	(2.8)
Finite-lived intangible assets, net	$ 4.5	$ 4.5