Leases - Finance Lease Assets and Liabilities (Details) - USD ($) $ in Thousands |
Sep. 27, 2026 |
Dec. 28, 2025 |
|---|---|---|
| Leases | ||
| Finance lease right-of-use assets | $ 430 | $ 573 |
| Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets, Noncurrent | Other Assets, Noncurrent |
| Current portion of finance lease liabilities | $ 209 | $ 191 |
| Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Current | Other Liabilities, Current |
| Long-term portion of finance lease liabilities | $ 278 | $ 457 |
| Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Noncurrent | Other Liabilities, Noncurrent |