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Balance Sheet Information - Summary Of Inventories (Details) - USD ($) $ in Thousands | Jul. 03, 2022 | Jan. 02, 2022
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Balance Sheet Information [Abstract] |  |
Raw materials | $ 3,945 | $ 3,340
Work-in-process | 335 | 7,339
Supplies and spare parts | 7,586 | 6,821
Total inventories—current | 11,866 | 17,500
Supplies and spare parts classified as other assets | 2,356 | 2,388
Total inventories | $ 14,222 | $ 19,888

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