Income Taxes (Schedule of deferred income tax valuation allowance) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 30, 2023 |
Dec. 31, 2022 |
|
| Income Tax Disclosure [Abstract] | ||
| Balance, beginning of year | $ 4,826 | $ 5,267 |
| Increase (decrease) in valuation allowance | 45,630 | (441) |
| Balance, end of year | $ 50,456 | $ 4,826 |