v3.26.1
Share-based Compensation - Schedule of Stock Option Activity (Details) - KKI - $ / shares
3 Months Ended 6 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Options      
Beginning balance, share options outstanding (in shares)     2,558,000
Granted (in shares)     0
Exercised (in shares)     0
Forfeited or expired (in shares)     243,000
Ending balance, share options outstanding (in shares) 2,315,000   2,315,000
Forfeited or expired (in USD per share)     $ 1,630
Exercised (in USD per share)     0
Granted (in USD per share)     0
Weighted Average Grant Date Fair Value      
Beginning balance, share options outstanding (in USD per share)     2,460
Ending balance, share options outstanding (in USD per share) $ 2,540   2,540
Forfeited or expired (in USD per share)     3,350
Exercised (in USD per share)     0
Granted (in USD per share)     0
Weighted Average Exercise Price      
Beginning balance, share options outstanding (in USD per share)     5,430
Ending balance, share options outstanding (in USD per share) $ 5,650   $ 5,650
Stock options vested (in shares) 0 0