Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 6,849.1	$ 6,766.2
Accumulated depreciation	(4,758.2)	(4,705.8)
Property, plant and equipment, net	2,090.9	2,060.4
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	18.8	18.9
Buildings And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,254.1	2,245.9
Capitalized Software Costs [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	555.2	552.2
Instruments [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	3,814.6	3,748.6
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 206.4	$ 200.6