v3.19.2
Segment and Geographical Information - Revenue by Geographic Location (Details) - Sales - Geographic Concentration Risk
3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Segment Reporting Information [Line Items]        
Percentage of total revenue 100.00% 100.00% 100.00% 100.00%
United States        
Segment Reporting Information [Line Items]        
Percentage of total revenue 91.00% 90.00% 91.00% 90.00%
International        
Segment Reporting Information [Line Items]        
Percentage of total revenue 9.00% 10.00% 9.00% 10.00%