Number of Years of Cumulative Operating Income Used to Determine Income Tax Valuation Allowance

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Period for product warranty.

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Selling General and Administrative Expenses Include Company Funded Research and Development

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Threshold Period To Test Goodwill For Impairment

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of transactions with related party during the financial reporting period.

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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021
Property, Plant and Equipment, Net [Abstract]
Depreciation	$ 129.8	$ 115.2	$ 76.6
Goodwill and Intangible Asset Impairment [Abstract]
Period for product warranty	1 year
Research and Development [Abstract]
Selling, general and administrative expenses include company-funded research and development	$ 360.6	299.3	196.0
Income Tax Disclosure [Abstract]
Number of years of cumulative operating income used to determine income tax valuation allowance	3 years
Related Party Transactions [Abstract]
Related party transactions	$ 0.0	0.0	0.0
Forward Contracts
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Expected reclassification of gain (loss) over the next 12 months	(5.0)
Currency Swap
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Expected reclassification of gain (loss) over the next 12 months	$ 7.2
FLIR Systems, Inc
Research and Development [Abstract]
Selling, general and administrative expenses include company-funded research and development		$ 113.8	$ 177.2
Revenue \| Revenue recognized \| Recognized at a point in time
Revenue Recognition
Concentration percentage	70.00%
Revenue \| Revenue recognized \| Recognized over time
Revenue Recognition
Concentration percentage	30.00%
Maximum
Goodwill and Intangible Asset Impairment [Abstract]
Threshold period to test goodwill for impairment	3 years
Maximum \| Buildings
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life	45 years
Maximum \| Computer hardware and software
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life	18 years
Maximum \| Equipment
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life	7 years
Minimum \| Computer hardware and software
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life	5 years
Minimum \| Equipment
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life	3 years