v3.26.1
Stock Plans and Stock Compensation Expense - Stock Performance Units (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 27, 2025
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Minimum market value (in dollars per share) $ 5.00 $ 5.00
Stock Performance Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Nonemployee directors fees   $ 18
Value received in stock performance units   $ 18
Stock performance units, outstanding (in shares) 92,819