Business Combinations, Goodwill and Acquired Intangible Assets - Narrative (Details) $ / shares in Units, kr in Millions, $ in Millions			3 Months Ended		9 Months Ended		12 Months Ended
	Feb. 02, 2022 USD ($)	May 14, 2021 USD ($) $ / shares shares	Oct. 02, 2022 USD ($)	Jul. 03, 2022 USD ($)	Oct. 02, 2022 USD ($)	Oct. 03, 2021 USD ($)	Dec. 30, 2018 USD ($)	Dec. 30, 2018 SEK (kr)	Jan. 26, 2022 SEK (kr)	Jan. 02, 2022 USD ($)
Business Acquisition [Line Items]
Consideration transferred, net of cash acquired					$ 11.9	$ 3,723.3
Goodwill			$ 7,718.2		7,718.2					$ 7,986.7
Acquired intangibles, net			$ 2,421.8		$ 2,421.8					$ 2,741.6
FLIR
Business Acquisition [Line Items]
Cash and stock transaction value		$ 8,100.0
Net cash payments		3,700.0
Net share issuances		3,900.0
Assumption of debt		$ 500.0
Cash paid per share (in USD per share) | $ / shares		$ 28.00
Entity shares issued per acquire share (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
Goodwill		$ 5,939.7
FLIR | STA
Business Acquisition [Line Items]
Taxes and penalties	$ 296.4						$ 364.7	kr 3,100.0
Estimated Tax Liability | kr									kr 2,765.0
NL Acoustics
Business Acquisition [Line Items]
Majority interest acquired			80.00%		80.00%
Consideration transferred, net of cash acquired			$ 11.9