v3.22.1
Concentration of Credit Risks - Narrative (Detail) - Two largest customers - Customer Concentration Risk
12 Months Ended
Dec. 25, 2021
Dec. 26, 2020
Sales    
Concentration Risk [Line Items]    
Concentration risk percentage 47.60% 49.00%
Accounts Receivable    
Concentration Risk [Line Items]    
Concentration risk percentage 47.00% 45.10%