v3.25.4
Share-based Compensation - Schedule of Stock Option Activity (Details) - KKI - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 28, 2025
Dec. 29, 2024
Dec. 31, 2023
Options      
Beginning balance, share options outstanding (in shares) 2,662 2,993  
Granted (in shares) 2,060 0  
Exercised (in shares) 0 0  
Forfeited or expired (in shares) 2,164 331  
Ending balance, share options outstanding (in shares) 2,558 2,662  
Weighted Average Grant Date Fair Value      
Beginning balance, share options outstanding (in USD per share) $ 5.88 $ 5.90  
Granted (in USD per share) 1.58 0  
Exercised (in USD per share) 0 0  
Forfeited or expired (in USD per share) 5.83 6.10  
Ending balance, share options outstanding (in USD per share) 2.46 5.88  
Weighted Average Exercise Price      
Beginning balance, share options outstanding (in USD per share) 14.27 14.30  
Granted (in USD per share) 3.22 0  
Exercised (in USD per share) 0 0  
Forfeited or expired (in USD per share) 14.19 14.61  
Ending balance, share options outstanding (in USD per share) $ 5.43 $ 14.27  
Weighted Average Remaining Contractual Term (years) 5 years 6 months 7 years 1 month 6 days  
Aggregate Intrinsic Value (in thousands) $ 2,187 $ 0 $ 2,352