Annual report pursuant to Section 13 and 15(d)

Significant Estimates and Concentrations (Details)

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Significant Estimates and Concentrations (Details) - Insurance Claims - USD ($)
$ in Thousands
Jan. 01, 2022
Dec. 26, 2020
Workers' Compensation Insurance Program    
Loss Contingencies [Line Items]    
Claims in excess $ 200 $ 200
Estimate of possible loss 383 391
Health Insurance Program    
Loss Contingencies [Line Items]    
Claims in excess 250 250
Estimate of possible loss $ 1,539 $ 916