Business Segments - Product Lines (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022
Instrumentation:
Net sales	$ 5,635.5	$ 5,458.6	$ 4,614.3
Instrumentation
Instrumentation:
Net sales	1,326.2	1,254.0	1,166.9
Instrumentation \| Marine Instrumentation
Instrumentation:
Net sales	529.7	460.7	424.1
Instrumentation \| Environmental Instrumentation
Instrumentation:
Net sales	458.1	465.0	446.3
Instrumentation \| Test and Measurement Instrumentation
Instrumentation:
Net sales	$ 338.4	$ 328.3	$ 296.5

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details