Income Taxes (Schedule of components of earnings (loss) before income taxes) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 30, 2023 |
Dec. 31, 2022 |
Jan. 01, 2022 |
|
| Income Tax Disclosure [Line Items] | |||
| Earnings (loss) from continuing operations before income taxes | $ (18,641) | $ 4,777 | $ 689 |
| Canada [Member] | |||
| Income Tax Disclosure [Line Items] | |||
| Earnings (loss) from continuing operations before income taxes | (9,202) | (11,455) | (10,522) |
| U.S. [Member] | |||
| Income Tax Disclosure [Line Items] | |||
| Earnings (loss) from continuing operations before income taxes | $ (9,439) | $ 16,232 | $ 11,211 |