Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 7,145.5	$ 6,690.2
Accumulated depreciation	(4,969.8)	(4,641.4)
Property, plant and equipment, net	2,175.7	2,048.8
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	22.6	18.5
Buildings And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,411.2	2,273.1
Capitalized Software Costs [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	606.1	575.1
Instruments [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	3,834.0	3,589.6
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 271.6	$ 233.9