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Business Acquisitions - Narrative (Details) - USD ($) $ in Millions		3 Months Ended			12 Months Ended
	May 14, 2021	Dec. 31, 2023	Apr. 02, 2023	Oct. 02, 2022	Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022
Business Acquisition [Line Items]
Cash paid					$ 77.7	$ 99.6	$ 3,723.3
Xena Networks
Business Acquisition [Line Items]
Cash paid		$ 24.2			24.2
ChartWorld
Business Acquisition [Line Items]
Cash paid			$ 53.5		$ 53.5
ETM
Business Acquisition [Line Items]
Cash paid						87.7
NL Acoustics
Business Acquisition [Line Items]
Cash paid				$ 11.9		$ 11.9
Interest acquired				80.00%		80.00%
FLIR Systems, Inc
Business Acquisition [Line Items]
Acquisition purchase price	$ 8,100.0