Goodwill and Acquired Intangible Assets - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Goodwill [Line Items]
Fair value in excess of carrying value		100.00%
Goodwill	$ 8,040.2	$ 8,002.8
Trademarks
Goodwill [Line Items]
Trademarks	847.9	$ 850.0
FLIR Reporting Unit
Goodwill [Line Items]
Fair value in excess of carrying value		6.00%
Reporting amount of carrying value		$ 460.0
Goodwill	$ 5,850.8	5,832.4
FLIR Reporting Unit | Trademarks
Goodwill [Line Items]
Trademarks		685.3
Fair value		$ 694.9