Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jan. 01, 2021	Dec. 27, 2019
Income Tax Disclosure [Abstract]
U.S. operating loss carryforwards	$ 900
Foreign net operating loss carryforwards	7,000
Valuation allowance	1,602	$ 1,558
Undistributed earnings in foreign subsidiaries	5,400
Accrued income tax-related interest and penalties	179	167
ASC 740-10 tax liabilities, current	$ 437	$ 425	$ 413

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Amount of unrecognized tax benefits.

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