Supplemental Financial Information (Schedule Of Cash Flow Information (Details) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 26, 2026 |
Sep. 27, 2025 |
|
| Supplemental Financial Information | ||
| Interest | $ 47 | $ 35 |
| Debt financing of insurance | 438 | $ 537 |
| Lease modification to increase operating lease assets | 999 | |
| Capitalized Contract Cost, Net | 32,861 | |
| Common stock issued in exchange for a prepaid vendor nonrefundable deposit in connection with a supply agreement | $ 15,990 | |