XML 100 R86.htm IDEA: XBRL DOCUMENT v3.20.4
Segment Reporting and Geographic Information - Additional Information (Details)
12 Months Ended
Dec. 26, 2020
Segment
Customer
Dec. 31, 2019
Customer
Concentration Risk [Line Items]    
Number of reportable segments | Segment 1  
Customer Concentration Risk [Member] | Accounts Receivable [Member]    
Concentration Risk [Line Items]    
Number of major customer | Customer 3 1
Customer concentration risk percentage 10.00% 10.00%