Quarterly report pursuant to Section 13 or 15(d)

Major Customers and Suppliers - Additional Information (Details)

v3.19.3
Major Customers and Suppliers - Additional Information (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Dec. 29, 2018
Revenue Benchmark | One Customer          
Concentration Risk [Line Items]          
Concentration risk percentage 16.00% 14.00% 11.00%    
Revenue Benchmark | Two Customers          
Concentration Risk [Line Items]          
Concentration risk percentage       31.00%  
Accounts Receivable | Two Customers          
Concentration Risk [Line Items]          
Concentration risk percentage     39.00%    
Accounts Receivable | Three Customers          
Concentration Risk [Line Items]          
Concentration risk percentage         38.00%