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Business Segments - Identifiable Assets (Details) - USD ($) $ in Millions	Mar. 30, 2025	Dec. 29, 2024
Segment Reporting Information [Line Items]
Identifiable assets	$ 15,048.5	$ 14,200.5
Operating Segments | Digital Imaging
Segment Reporting Information [Line Items]
Identifiable assets	11,021.1	10,942.4
Operating Segments | Instrumentation
Segment Reporting Information [Line Items]
Identifiable assets	1,781.9	1,750.9
Operating Segments | Aerospace and Defense Electronics
Segment Reporting Information [Line Items]
Identifiable assets	1,496.8	576.2
Operating Segments | Engineered Systems
Segment Reporting Information [Line Items]
Identifiable assets	200.4	180.3
Corporate
Segment Reporting Information [Line Items]
Identifiable assets	$ 548.3	$ 750.7

X

- Definition

Amount of asset recognized for present right to economic benefit.

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