Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 4,936.4	$ 4,671.5
Accumulated depreciation	(2,879.0)	(2,633.6)
Property, plant and equipment, net	2,057.4	2,037.9
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	29.2	37.0
Buildings And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	1,832.3	1,789.9
Capitalized Software Costs [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	413.9	397.2
Instruments [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,547.4	2,347.6
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 113.6	$ 99.8