v3.25.4
Net Loss per Share - Additional Information (Details) - shares
shares in Millions
12 Months Ended
Dec. 28, 2025
Dec. 29, 2024
Dec. 31, 2023
Stock Options | KKI      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net loss per share 2.6 2.7 3.0