Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 03, 2022	Jul. 04, 2021	Jul. 03, 2022	Jul. 04, 2021
Income Tax Disclosure [Abstract]
Effective income tax rate	22.70%	29.80%	9.60%	22.80%
Discrete items	$ 1.0	$ (4.1)	$ 57.5	$ 2.2
Share-based accounting discrete tax benefits	1.8	2.1	8.5	6.9
Resolution of certain FLIR tax reserves	$ (0.6)		$ 49.4
Foreign tax rate		11.5		11.5
Valuation allowance		$ 5.3		$ 5.3
Effective tax rate excluding discrete items	23.10%	25.30%

Effective Income Tax Rate Reconciliation, Discrete Items, Amount

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Effective Income Tax Rate Reconciliation, Discrete Items, Resolution Of Tax Reserves, Amount

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Effective Income Tax Rate Reconciliation, Excluding Discrete Items, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 35
-Paragraph 2
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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-URI https://asc.fasb.org/extlink&oid=123427490&loc=d3e32059-109318

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