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Income Tax - Reconciliation of Statutory Federal Rate to Effective Rate (Detail)	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal statutory income tax rate	21.00%	21.00%	21.00%
Non-deductible goodwill impairment	49.40%	0.00%	0.00%
State taxes, net of federal income tax benefit	17.10%	5.30%	6.70%
Non-deductible expenses	21.40%	3.40%	5.50%
Stock compensation	0.70%	(0.90%)	(2.80%)
Change in tax contingencies	(0.60%)	(1.30%)	(0.10%)
Charitable product donations	(1.10%)	(0.20%)	(0.30%)
Contingent consideration	(4.10%)	0.00%	0.00%
Other, net	(2.00%)	(0.30%)	0.10%
Tax credits	(4.50%)	(1.50%)	(3.70%)
Effective income tax rate	97.30%	25.50%	26.40%

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Effective Income Tax Rate Reconciliation Contingent consideration

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Effective income tax rate reconciliation tax credits (expense) benefit.

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

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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