Income Taxes - Tax Benefits (Expense) (Details) - USD ($) $ in Millions	9 Months Ended
Oct. 02, 2021	Oct. 03, 2020
Income Tax Disclosure [Abstract]
Restructuring charges and various other items	$ 25.5	$ 20.7
Valuation allowances on deferred tax assets	(13.4)	(12.2)
Release of tax reserves	1.3	0.0
Favorable indirect tax ruling in a foreign jurisdiction	(9.2)	0.0
Research and development tax credits	0.0	5.0
Income tax benefits (expense) related to significant discrete items	$ 4.2	$ 13.5

Income Tax Expense (Benefit), Discrete Items

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- Definition

Income Tax Expense (Benefit), Discrete Items, Favorable Tax Ruling In Foreign Jurisdiction

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- Definition

Income Tax Expense (Benefit), Discrete Items, Release Of Tax Reserves

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- Definition

Income Tax Expense (Benefit), Discrete Items, Restructuring and Other

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No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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