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Business Segments - Identifiable Assets (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Identifiable assets	$ 14,639.2	$ 14,527.9
Operating segments | Digital Imaging
Segment Reporting Information [Line Items]
Identifiable assets	11,197.1	11,382.2
Operating segments | Instrumentation
Segment Reporting Information [Line Items]
Identifiable assets	1,683.9	1,692.3
Operating segments | Aerospace and Defense Electronics
Segment Reporting Information [Line Items]
Identifiable assets	561.9	569.1
Operating segments | Engineered Systems
Segment Reporting Information [Line Items]
Identifiable assets	213.4	184.8
Corporate expense
Segment Reporting Information [Line Items]
Identifiable assets	$ 982.9	$ 699.5

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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