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Postretirement Plans - Additional Information (Detail) - USD ($)	4 Months Ended	9 Months Ended
	Apr. 20, 2024	Oct. 04, 2025	Oct. 05, 2024	Oct. 08, 2022
Pension and Other Postretirement Benefits Disclosure [Line Items]
Multi-employer pension plan withdrawal liability				$ 1,300,000
Holsum Bakery
Pension and Other Postretirement Benefits Disclosure [Line Items]
Multi-employer pension plan withdrawal costs	$ 1,400,000
Selling, Distribution and Administrative expenses | Holsum Bakery
Pension and Other Postretirement Benefits Disclosure [Line Items]
Multi-employer pension plan additional withdrawal cost	$ 100,000
Plan No. 1
Pension and Other Postretirement Benefits Disclosure [Line Items]
Voluntarily contributions made by an employer		$ 0	$ 0

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Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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