Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 26, 2022	Mar. 27, 2021	Dec. 25, 2021
Income Tax Disclosure [Abstract]
Effective income tax (benefit) rate	0.60%	9.80%
Net deferred tax liability	$ 91
Unrecognized tax benefits	497		$ 494
Income tax penalties and interest accrued	$ 0

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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

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Amount of unrecognized tax benefits.

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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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