Property, Plant And Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 5,339.5	$ 4,974.0
Less: accumulated depreciation	(2,828.3)	(2,519.4)
Property, plant and equipment, net	2,511.2	2,454.6	$ 2,354.0
Land and improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	176.5	155.6
Buildings
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	1,047.8	1,009.5
Machinery and equipment
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	2,482.3	2,239.5
Customer-leased instruments
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 1,632.9	$ 1,569.4