Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 4,795.0	$ 4,671.5
Accumulated depreciation	(2,741.8)	(2,633.6)
Property, plant and equipment, net	2,053.2	2,037.9
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	30.9	37.0
Buildings And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	1,787.3	1,789.9
Capitalized Software Costs [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	408.2	397.2
Instruments [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,452.9	2,347.6
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 115.7	$ 99.8