Unrecognized Tax Benefits Including Income Tax Penalties and Interest Accrued

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The amount of cash received during the period as refunds for the overpayment of taxes.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes - Narrative (Details) $ in Millions, kr in Billions		12 Months Ended
	Feb. 02, 2022 USD ($)	Jan. 01, 2023 USD ($)	Jan. 02, 2022 USD ($)	Jan. 03, 2021 USD ($)	Dec. 30, 2018 SEK (kr)	Dec. 30, 2018 USD ($)
Income Tax Contingency [Line Items]
Increase (decrease) in valuation allowance		$ 3.4
Expected decrease in unrecognized tax benefits over next 12 months		89.1
Interest and penalties related to unrecognized tax benefits		12.2	$ 2.4	$ 0.1
Interest and penalties accrued for unrecognized tax benefits		45.6	160.8	1.2
Unrecognized tax benefits including accrued interest and penalties		341.0
Cash payments for federal, foreign and state income taxes		212.4	83.6	74.5
Tax refunds received totaled		20.1	22.4	$ 8.1
FLIR Systems, Inc
Income Tax Contingency [Line Items]
Interest and penalties accrued for unrecognized tax benefits			$ 157.0
Swedish Tax Authority \| FLIR Systems, Inc
Income Tax Contingency [Line Items]
Estimated Tax Liability	$ 296.4				kr 3.1	$ 364.7
Foreign
Income Tax Contingency [Line Items]
Net operating loss carryforward		45.1
Net operating loss carryforward with no expiration		36.3
Net operating loss carryforward with expiration		8.8
Foreign \| Canadian
Income Tax Contingency [Line Items]
Capital loss carryforward		3.9
Tax credit carryforward		13.2
Foreign \| Spanish
Income Tax Contingency [Line Items]
Tax credit carryforward		0.3
Federal
Income Tax Contingency [Line Items]
Net operating loss carryforward		24.7
Net operating loss carryforward with no expiration		15.3
Net operating loss carryforward with expiration		9.4
State
Income Tax Contingency [Line Items]
Net operating loss carryforward		162.3
Research and development credit carryforward		13.9
State \| No expiration
Income Tax Contingency [Line Items]
Research and development credit carryforward		9.4
State \| With expiration
Income Tax Contingency [Line Items]
Research and development credit carryforward		$ 4.5