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Business Acquisitions - Narrative (Details) $ / shares in Units, kr in Millions, $ in Millions				3 Months Ended	12 Months Ended
	Feb. 02, 2022 USD ($)	Jan. 02, 2022 USD ($)	May 14, 2021 USD ($) $ / shares shares	Oct. 02, 2022 USD ($)	Jan. 01, 2023 USD ($)	Dec. 30, 2018 USD ($)	Dec. 30, 2018 SEK (kr)	Jan. 26, 2022 SEK (kr)
NL Acoustics
Business Acquisition [Line Items]
Cash and stock transaction value				$ 11.9
Interest acquired				80.00%
FLIR Systems, Inc
Business Acquisition [Line Items]
Cash and stock transaction value			$ 8,100.0
Net cash payments			3,700.0
Net share issuances		$ 3,900.0	3,900.0
Assumption of debt			$ 500.0
Cash paid per share (in USD per share) | $ / shares			$ 28.00
Entity shares issued per acquire (in shares) | shares			0.0718
Shares issued (in shares) | shares			9,500,000
Grant day fair value (in USD per share) | $ / shares			$ 409.41
Additional provisional purchase accounting adjustments					$ 187.6
FLIR Systems, Inc | Swedish Tax Authority
Business Acquisition [Line Items]
Total taxes paid	$ 296.4					$ 364.7	kr 3,100.0
Estimated tax liability | kr								kr 2,765.0

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