Income Taxes (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 27, 2020 |
Dec. 29, 2019 |
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| Income Tax Contingency [Line Items] | ||
| Deferred Tax Assets, Tax Credit Carryforwards, General Business | $ 23,331 | $ 17,923 |
| Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | |
| Minimum | ||
| Income Tax Contingency [Line Items] | ||
| Loss Contingency, Estimate of Possible Loss | $ 500 | |
| Maximum | ||
| Income Tax Contingency [Line Items] | ||
| Loss Contingency, Estimate of Possible Loss | $ 2,500 |
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible general business tax credit carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition 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. No definition available.
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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