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Income Taxes - Reconciliation of Income Taxes at Statutory Tax Rate to Company's Effective Tax Rate (Detail)
12 Months Ended
Dec. 25, 2021
Dec. 26, 2020
Dec. 28, 2019
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Federal taxes at statutory rate 21.00% 21.00% 21.00%
State taxes, net of federal tax benefit 2.10% 2.00% 1.30%
Research and development tax credit (0.40%) (0.60%) (0.50%)
Federal permanent items   (0.20%) (0.30%)
Effect of foreign operations (0.20%) 0.10% (1.10%)
Other   (1.00%) 0.40%
Effective tax rate 22.50% 21.30% 20.80%