Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 6,344.4	$ 6,137.7
Accumulated depreciation	(4,542.8)	(4,301.1)
Property, plant and equipment, net	1,801.6	1,836.6
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	19.1	20.1
Buildings And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,068.4	2,086.0
Capitalized Software Costs [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	503.6	454.9
Instruments [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	3,615.1	3,460.4
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 138.2	$ 116.3