Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 6,646.6	$ 6,458.4
Accumulated depreciation	(4,614.4)	(4,585.9)
Property, plant and equipment, net	2,032.2	1,872.5
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	17.5	19.2
Buildings And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,158.8	2,093.4
Capitalized Software Costs [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	556.9	518.2
Instruments [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	3,670.6	3,683.5
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 242.8	$ 144.1