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Summary of Company's Condensed Balance Sheet Related Pension and Other Postretirement Benefit Plan (Detail) - USD ($)
$ in Thousands
Jul. 17, 2021
Jan. 02, 2021
Pension And Other Postretirement Benefit Expense [Abstract]    
Current liability $ 874 $ 874
Noncurrent liability 9,693 10,049
Accumulated other comprehensive loss, net of tax $ 6,411 $ 6,648