Income Taxes - Schedule of Federal Statutory Tax Rate Reconciliation (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021
Income Tax Disclosure [Abstract]
Tax expense at statutory rate	$ 6,918	$ 28,376	$ 15,621
State tax expense, net of federal tax effect	1,734	7,167	3,975
Additional deduction related to share-based compensation	(1,321)	(2,623)
Nondeductible expenses	259	729	86
Tax credits	(826)	(603)	(246)
Change in valuation allowance		(318)	(418)
CARES Act net operating loss carryback			(822)
Write-offs related to nonvested share awards			260
Other	45	10	(11)
Total income tax expense (benefit)	$ 6,809	$ 32,738	$ 18,445

CARES act of 2020 income tax reconciliation net operating loss carryback.

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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