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Commitments (Balance Sheet Classification of Lease Liabilities) (Details) - USD ($) $ in Thousands | Dec. 28, 2018 | Dec. 30, 2017 | Dec. 29, 2017
--- | --- | --- | ---
Operating lease liabilities: |  |  |
Current portion included in Other current liabilities | $ 2,738 |  |
Current portion included in Other current liabilities |  |  | $ 540
Long-term portion of lease liabilities | 12,099 |  |
Long-term portion of lease liabilities |  |  | 408
Total operating lease liabilities | 14,837 |  |
Total operating lease liabilities |  |  | 948
Financing lease liabilities: |  |  |
Financing obligation for build-to-suit lease | 0 |  | 14,530
Current portion included in Other current liabilities | 49 |  | 0
Long-term portion of lease liabilities | 79 |  | 0
Total financing lease liabilities | 128 |  |
Total lease liabilities | $ 14,965 | $ 13,323 |
Total lease liabilities |  |  | $ 15,478

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