Gain (Loss) Reclassified From AOCI for Commodity Contracts (Detail) - USD ($)		4 Months Ended
		Apr. 19, 2025	Apr. 20, 2024
Accumulated Other Comprehensive Income Loss [Line Items]
Reclassification from AOCI, Gains and losses on derivative instruments net of tax		$ 489,000	$ (550,000)
Derivative Instruments
Accumulated Other Comprehensive Income Loss [Line Items]
Reclassification from AOCI, Gains and losses on cash flow hedges before tax	[1]	652,000	(733,000)
Tax benefit	[1]	(163,000)	183,000
Reclassification from AOCI, Gains and losses on derivative instruments net of tax	[1]	489,000	(550,000)
Commodity Contract | Derivative Instruments
Accumulated Other Comprehensive Income Loss [Line Items]
Reclassification from AOCI, Gains and losses on cash flow hedges before tax	[1],[2]	426,000	(886,000)
Tax benefit		(106,000)	221,000
Reclassification from AOCI, Gains and losses on derivative instruments net of tax		$ 320,000	$ (665,000)

[1] Amounts in parentheses indicate debits to determine net income.

[2] Amounts are presented as an adjustment to reconcile net income to net cash provided by operating activities on the Condensed Consolidated Statements of Cash Flows.