v3.25.4
Net Loss per Share - Schedule of Antidilutive Unvested RSUs Excluded from Computation of Net Loss per Share (Details) - Restricted Stock Units (RSUs) - shares
shares in Thousands
12 Months Ended
Dec. 28, 2025
Dec. 29, 2024
Dec. 31, 2023
KKI      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net loss per share 10,669 1,421 6,785
KK U.K.      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net loss per share 0 7 7
Insomnia Cookies US & Canada [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net loss per share 0 0 47
KK Australia      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net loss per share 21 0 0
KK Mexico      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net loss per share 0 0 0