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Goodwill and Acquired Intangible Assets - Narrative (Details) - USD ($) $ in Millions	Mar. 30, 2025	Dec. 29, 2024
Goodwill [Line Items]
Goodwill	$ 8,534.0	$ 7,990.5
Trademarks
Goodwill [Line Items]
Trademarks	788.1	$ 793.1
FLIR Reporting Unit
Goodwill [Line Items]
Fair value in excess of carrying value		5.00%
Reporting amount of carrying value		$ 420.0
Goodwill	$ 5,873.4	5,856.5
FLIR Reporting Unit | Trademarks
Goodwill [Line Items]
Trademarks		$ 635.8

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