XML 49 R39.htm IDEA: XBRL DOCUMENT v3.21.2
Share-Based Compensation - Stock option plan (Details) - shares
6 Months Ended
Jun. 29, 2021
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares granted   2,541,849
Number of shares available for award purposes   1,768,000
2021 Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock shares authorized for issuance under share based payment award 2,600,000  
Percentage on total number of shares outstanding 4.00%  
Number of shares granted   832,000
Number of shares available for award purposes   1,768,000
Expiration period   10 years
2021 Plan | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period   4 years
2021 Plan | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period   3 years