v3.26.3
Share-based compensation - Schedule of Share-based Award Activity (Details) - shares
Sep. 25, 2026
Jun. 26, 2026
Sep. 26, 2025
Jun. 27, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of ordinary shares available for future grant (in shares) 1,421,924      
2020 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of ordinary shares available for future grant (in shares) 1,310,577      
2017 Inducement Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of ordinary shares available for future grant (in shares) 111,347      
Restricted share units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share units outstanding (in shares) 211,639 211,574 232,190 263,014
Restricted share units | 2020 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share units outstanding (in shares) 211,639      
Restricted share units | 2017 Inducement Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share units outstanding (in shares) 0      
Performance share units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share units outstanding (in shares) 111,750 94,687 92,843 120,916
Performance share units | 2020 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share units outstanding (in shares) 111,750      
Performance share units | 2017 Inducement Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share units outstanding (in shares) 0