Property, Plant And Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 4,974.0	$ 4,317.3
Less: accumulated depreciation	(2,519.4)	(1,963.3)
Property, plant and equipment, net	2,454.6	2,354.0	$ 2,302.7
Land and improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	155.6	150.5
Buildings
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	1,009.5	880.9
Machinery and equipment
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	2,239.5	1,953.9
Customer-leased instruments
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 1,569.4	$ 1,332.0