Annual report [Section 13 and 15(d), not S-K Item 405]

Equity Compensation - Narrative (Details)

v3.25.0.1
Equity Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 28, 2024
Dec. 30, 2023
Dec. 31, 2022
Dec. 27, 2024
Dec. 29, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense $ 10.7 $ 7.1 $ 4.1    
Share price (in dollars per share)   $ 5.30   $ 7.36 $ 13.05
Unrecognized compensation expense 1.0        
RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense 9.4 $ 3.5 2.4    
Unrecognized compensation expense $ 18.0        
Unrecognized compensation period 1 year 9 months 18 days        
Granted (in shares) 1,461,217 748,198      
RSUs | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period 1 year        
RSUs | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period 4 years        
PSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense $ 0.7 $ 2.8 1.2    
Unrecognized compensation expense $ 4.7        
Unrecognized compensation period 2 years 3 months 18 days        
Performance vesting percentage 100.00%        
Vesting period 3 years        
Granted (in shares) 832,445 229,091      
PSUs | Key Management Members          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares) 599,743        
PSUs | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance vesting percentage 0.00%        
PSUs | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance vesting percentage 200.00%        
PSUs, 2023 Grants          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance vesting percentage 0.00%        
Vesting period 3 years        
PSUs, 2023 Grants | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance vesting percentage 0.00%        
PSUs, 2023 Grants | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance vesting percentage 200.00%        
PSUs, 2024 Grants          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance vesting percentage 0.00%        
Vesting period 3 years        
Granted (in shares) 232,702        
PSUs, 2024 Grants | Key Management Members          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance vesting percentage 100.00%        
Vesting period 2 years        
PSUs, 2024 Grants | Minimum | Key Management Members          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance vesting percentage 0.00%        
PSUs, 2024 Grants | Maximum | Key Management Members          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance vesting percentage 200.00%        
Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense $ 0.6 $ 0.8 $ 0.5    
Unrecognized compensation period 1 year 3 months 18 days        
Expiration period 10 years        
Stock options | Tranche one          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period 3 years        
Vesting percentage 33.00%        
Stock options | Tranche two          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period 4 years        
Vesting percentage 25.00%