Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 4,427.9	$ 3,407.1
Accumulated depreciation	(2,365.3)	(2,121.8)
Property, plant and equipment, net	2,062.6	1,285.3	$ 1,229.5
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	39.6	20.4
Building And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	1,789.3	1,283.4
Capitalized Software Costs [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	330.1	294.7
Instruments [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,160.5	1,692.8
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 108.4	$ 115.8