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Reconciliations to Statutory Rates (Detail) | 12 Months Ended
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Dec. 31, 2022 | Dec. 25, 2021 | Dec. 26, 2020
Income Tax Disclosure [Abstract] |  |  |
Statutory rate | 21.00% | 21.00% | 21.00%
State income taxes, net of federal benefit | 4.10% | 11.00% | 4.40%
Deduction relating to excess stock based compensation | (0.90%) | (153.80%) | (4.30%)
Non-deductable meals & entertainment | 0.60% | 5.60% | 0.20%
Change in unrecognized tax benefits (including interest and penalty) |  | (8.70%) |
Federal and state provision to return | (0.20%) | (7.10%) | (0.10%)
Change in valuation allowance | 1.20% | 21.90% | 0.10%
Other | 0.60% | (0.60%) | 0.10%
Effective Income Tax Rate Reconciliation, Percent, Total | 26.40% | (110.70%) | 21.40%

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