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Associate Retirement Plans - Components of Net Periodic Pension and Postretirement Benefit Cost (Income) (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Jan. 01, 2022
Jan. 02, 2021
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Expense Interest Expense Interest Expense
Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Gain on reconciliation with annuity provider     $ (1,193)
Net periodic benefit (income) expense     (1,193)
Total net periodic benefit (income) cost     (1,193)
Retiree Medical Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 76 $ 187 182
Interest cost 185 226 303
Amortization of Prior Service Credit (1,653)    
Recognized actuarial net loss 200 230 104
Net periodic benefit (income) expense (1,192) 643 589
Settlement Expenses 740    
Total net periodic benefit (income) cost $ (452) $ 643 $ 589
Weighted average assumptions at measurement date:      
Discount rate 2.90% 2.57% 3.26%