v3.26.1
Effect of Derivative Instruments for Deferred Gains And (Losses) on Closed Contracts and Effective Portion in Fair Value on AOCI, Utilized for Risk Management Purposes (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 18, 2026
Jul. 12, 2025
Jul. 18, 2026
Jul. 12, 2025
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Loss) or Gain Recognized in AOCI on Derivatives (Effective Portion) $ (366) [1] $ (683) [1] $ 2,351 $ (1,769)
Production costs 615,005 636,060 1,410,394 1,414,406
Income before income taxes 54,254 78,464 114,314 149,666
Reclassification out of Accumulated Other Comprehensive Income        
Derivative Instruments, Gain (Loss) [Line Items]        
Income before income taxes (284) [2] 201 [2] (399) 690
Interest Rate Contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Loss) or Gain Recognized in AOCI on Derivatives (Effective Portion)   0 [1]   3,160
Interest Rate Contracts | Reclassification out of Accumulated Other Comprehensive Income        
Derivative Instruments, Gain (Loss) [Line Items]        
Interest expense 158 [2] 158 [2] 369 328
Commodity Contract        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Loss) or Gain Recognized in AOCI on Derivatives (Effective Portion) (366) [1] (683) [1] 2,351 (4,929)
Commodity Contract | Reclassification out of Accumulated Other Comprehensive Income | Product        
Derivative Instruments, Gain (Loss) [Line Items]        
Production costs $ (442) [2],[3] $ 43 [2],[3] $ (768) $ 362
[1] Amounts in parentheses, if any, indicate debits to determine net income.
[2] Amounts in parentheses, if any, indicate credits to determine net income.
[3] Included in materials, supplies, labor and other production costs (exclusive of depreciation and amortization shown separately).