Effective Income Tax Rate Reconciliation, Excluding Discrete Items, Percent

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The tax year(s) being audited in connection with the income tax examination for other entities.

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Increase decrease interest and penalties.

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Liability for uncertain tax positions, total.

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Maxiumum Decrease In Income Tax Expense Due To Release In Reserves

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Minimum Decrease In Income Tax Expense Due To Release In Reserves

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Tax years open to examination by Internal Revenue Service

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage 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.

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Percentage 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 income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

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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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Change during the period in carrying value for all deferred liabilities due within one year or operating cycle.

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020	Dec. 31, 2020
Income Tax Contingency [Line Items]
Discrete tax benefit related to stock options	2.00%	191.00%	4.00%	29.00%
Discrete tax expense related to tax return filings	1.00%	141.00%	0.00%	17.00%
Effective tax rate excluding discrete items (as a percent)	18.00%	1.00%	18.00%	19.00%
Decrease in reserves for income taxes, net of deferred tax benefit			$ 935
Interest and penalties included in reserve			$ 370
Income tax expense (benefit) at U.S. federal statutory corporate tax rate	21.00%	(21.00%)	21.00%	21.00%
Decrease in effective tax rate	5.00%	(5.00%)	5.00%	5.00%
Liability for uncertain tax positions	$ 16,255		$ 16,255
Reserve for income taxes classified as a noncurrent iability	15,227		15,227		$ 14,257
Increase to non-current deferred tax liability			1,028
Minimum Decrease In Income Tax Expense Due To Release In Reserves	450		450
Maxiumum Decrease In Income Tax Expense Due To Release In Reserves	$ 500		$ 500
Tax years open to examination by Internal Revenue Service			2017 through 2020
Tax years open to examination by various taxing authorities for other entities			2016 through 2020
Foreign Tax Authority \| Revenue Commissioners, Ireland
Income Tax Contingency [Line Items]
Income tax expense (benefit) at U.S. federal statutory corporate tax rate	12.50%
Foreign Tax Authority \| State Administration of Taxation, China
Income Tax Contingency [Line Items]
Income tax expense (benefit) at U.S. federal statutory corporate tax rate	25.00%
Foreign Tax Authority \| KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF
Income Tax Contingency [Line Items]
Income tax expense (benefit) at U.S. federal statutory corporate tax rate	25.00%
Domestic Tax Authority
Income Tax Contingency [Line Items]
Income tax expense (benefit) at U.S. federal statutory corporate tax rate	21.00%