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Income Taxes - Reconciliations to Statutory Rates (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 27, 2025 | Dec. 28, 2024 | Dec. 30, 2023
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
U.S. federal statutory rate | $ 32,183 |  |
State and local income taxes, net of federal income tax effect | 8,111 |  |
Federal tax credits | (1,227) |  |
Changes in valuation allowances | 637 |  |
Share-based payment awards | 1,307 |  |
Limitation on officer's compensation | 692 |  |
Non-deductible meals & entertainment | 1,930 |  |
Change in unrecognized tax benefits | 28 |  |
Other | (276) |  |
Total income tax provision | $ 44,991 | $ 27,907 | $ 33,338
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
U.S. federal statutory rate | 21.00% | 21.00% | 21.00%
State and local income taxes, net of federal income tax effect | 5.20% | 5.50% | 4.80%
Federal tax credits | (0.80%) |  |
Change in valuation allowances | 0.40% | 3.00% | 1.00%
Non-deductible share-based payment awards compensation under Internal Revenue Code Section 162(m) | 0.90% | 1.10% | 3.40%
Limitation on officer's compensation | 0.50% |  |
Non-deductable meals & entertainment | 1.30% | 2.10% | 1.20%
Deduction relating to excess stock-based compensation |  | 0.60% | 0.10%
Change in unrecognized tax benefits | 0.00% |  |
Other | (0.10%) | (1.40%) | (1.10%)
Effective tax rate | 29.30% | 31.90% | 30.40%
CANADA |  |  |
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Other | $ 1,606 |  |
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Other | 0.90% |  |

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