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Balance Sheet Information - Summary of Inventories (Details) - USD ($)
$ in Thousands
Jul. 02, 2023
Jan. 01, 2023
Balance Sheet Information [Abstract]    
Raw materials $ 4,352 $ 3,991
Work-in-process 59 359
Supplies and spare parts 11,613 9,047
Total inventories—current 16,024 13,397
Supplies and spare parts classified as other assets 3,042 2,605
Total inventories $ 19,066 $ 16,002