Annual report pursuant to Section 13 and 15(d)

Concentrations of Credit and Operation Risk (Details)

v3.22.0.1
Concentrations of Credit and Operation Risk (Details) - Accounts Receivable - Customer Concentration Risk
12 Months Ended
Dec. 25, 2021
Dec. 26, 2020
Top Customer One    
Concentration Risk [Line Items]    
Concentration risk percentage 20.00% 18.00%
Top Customer Two    
Concentration Risk [Line Items]    
Concentration risk percentage 15.00% 17.00%
Top Customer Three    
Concentration Risk [Line Items]    
Concentration risk percentage 9.00% 6.00%