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Note 1 - Summary of Significant Accounting Policies - Inventories (Details) - USD ($)
$ in Thousands
Mar. 30, 2019
Dec. 29, 2018
Raw materials and purchased parts $ 63,352 $ 60,112
Work in process 51,705 57,953
Finished goods 15,687 21,249
Total inventories $ 130,744 $ 139,314 [1]
[1] Derived from December 29, 2018 audited financial statements