Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation of Federal Statutory Tax Expense to Effective Income Tax Expense) (Details)

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Income Taxes (Reconciliation of Federal Statutory Tax Expense to Effective Income Tax Expense) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
Income Tax Disclosure [Abstract]      
Expected income tax expense $ (1,848) $ 696 $ 669
State tax expense, net of federal benefit (192) 493 675
FICA tip credit (2,539) (3,896) (3,411)
Deferred tax balance adjustment (a) (1,079) 0 173
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount (344) 34 (60)
Other (193) (160) (520)
Total income tax benefit $ (5,507) $ (2,901) $ (2,354)