v3.26.1
Consolidated Statements of Shareholders' Equity - USD ($)
$ in Thousands
Total
Ordinary Shares
Additional Paid-In Capital
Treasury Shares
Retained Earnings
Beginning balance (in shares) at Dec. 27, 2024   33,859,542      
Beginning balance at Dec. 27, 2024 $ 698,336 $ 3 $ 606,060 $ (91,578) $ 183,851
Treasury stock, beginning balance (in shares) at Dec. 27, 2024       4,437,439  
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Ordinary shares issued from exercise of stock options (in shares)   137,080      
Ordinary shares issued from exercise of stock options 3,404   3,404    
Ordinary shares issued from vesting of restricted share units (in shares)   77,518      
Ordinary shares issued from vesting of restricted share units (2,013)   (2,013)    
Ordinary shares issued from employee share purchase plan (in shares)   39,064      
Ordinary shares issued from employee share purchase plan 1,070   1,070    
Share-based compensation expense 4,123   4,123    
Net income (loss) (4,559)       (4,559)
Ending balance (in shares) at Mar. 28, 2025   34,113,204      
Ending balance at Mar. 28, 2025 700,361 $ 3 612,644 $ (91,578) 179,292
Treasury stock, ending balance (in shares) at Mar. 28, 2025       4,437,439  
Beginning balance (in shares) at Dec. 27, 2024   33,859,542      
Beginning balance at Dec. 27, 2024 698,336 $ 3 606,060 $ (91,578) 183,851
Treasury stock, beginning balance (in shares) at Dec. 27, 2024       4,437,439  
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss) (13,967)        
Ending balance (in shares) at Jun. 27, 2025   34,243,283      
Ending balance at Jun. 27, 2025 694,147 $ 3 615,838 $ (91,578) 169,884
Treasury stock, ending balance (in shares) at Jun. 27, 2025       4,437,439  
Beginning balance (in shares) at Mar. 28, 2025   34,113,204      
Beginning balance at Mar. 28, 2025 700,361 $ 3 612,644 $ (91,578) 179,292
Treasury stock, beginning balance (in shares) at Mar. 28, 2025       4,437,439  
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Ordinary shares issued from vesting of restricted share units (in shares)   130,079      
Ordinary shares issued from vesting of restricted share units (1,033)   (1,033)    
Share-based compensation expense 4,227   4,227    
Net income (loss) (9,408)       (9,408)
Ending balance (in shares) at Jun. 27, 2025   34,243,283      
Ending balance at Jun. 27, 2025 694,147 $ 3 615,838 $ (91,578) 169,884
Treasury stock, ending balance (in shares) at Jun. 27, 2025       4,437,439  
Beginning balance (in shares) at Dec. 26, 2025   34,433,776      
Beginning balance at Dec. 26, 2025 $ 663,886 $ 3 624,391 $ (91,578) 131,070
Treasury stock, beginning balance (in shares) at Dec. 26, 2025 4,437,439     4,437,439  
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Ordinary shares issued from exercise of stock options (in shares)   181,496      
Ordinary shares issued from exercise of stock options $ 4,287   4,287    
Ordinary shares issued from vesting of restricted share units (in shares)   72,130      
Ordinary shares issued from vesting of restricted share units (2,422)   (2,422)    
Ordinary shares issued from employee share purchase plan (in shares)   57,370      
Ordinary shares issued from employee share purchase plan 899   899    
Share-based compensation expense 3,833   3,833    
Net income (loss) (2,469)       (2,469)
Ending balance (in shares) at Mar. 27, 2026   34,744,772      
Ending balance at Mar. 27, 2026 668,014 $ 3 630,988 $ (91,578) 128,601
Treasury stock, ending balance (in shares) at Mar. 27, 2026       4,437,439  
Beginning balance (in shares) at Dec. 26, 2025   34,433,776      
Beginning balance at Dec. 26, 2025 $ 663,886 $ 3 624,391 $ (91,578) 131,070
Treasury stock, beginning balance (in shares) at Dec. 26, 2025 4,437,439     4,437,439  
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss) $ (1,471)        
Ending balance (in shares) at Jun. 26, 2026   37,383,592      
Ending balance at Jun. 26, 2026 $ 865,497 $ 4 735,894 $ 0 129,599
Treasury stock, ending balance (in shares) at Jun. 26, 2026 0     0  
Beginning balance (in shares) at Mar. 27, 2026   34,744,772      
Beginning balance at Mar. 27, 2026 $ 668,014 $ 3 630,988 $ (91,578) 128,601
Treasury stock, beginning balance (in shares) at Mar. 27, 2026       4,437,439  
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Ordinary shares issued, net of transaction costs (in shares)   2,478,275      
Ordinary shares issued, net of transaction costs 195,380 $ 1 195,379    
Ordinary shares issued from exercise of stock options (in shares)   29,776      
Ordinary shares issued from exercise of stock options 802   802    
Ordinary shares issued from vesting of restricted share units (in shares)   130,769      
Ordinary shares issued from vesting of restricted share units (4,226)   (4,226)    
Treasury shares retirement (in shares)       (4,437,439)  
Treasury shares retirement 0   (91,578) $ 91,578  
Share-based compensation expense 4,529   4,529    
Net income (loss) 998       998
Ending balance (in shares) at Jun. 26, 2026   37,383,592      
Ending balance at Jun. 26, 2026 $ 865,497 $ 4 $ 735,894 $ 0 $ 129,599
Treasury stock, ending balance (in shares) at Jun. 26, 2026 0     0