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Inventories (Tables) | 6 Months Ended
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Jul. 31, 2022
Inventory Disclosure [Abstract] |
Summary of Inventories | Inventories, consisting of material, material overhead, labor, and manufacturing overhead, are stated at the lower of cost (first-in, first-out) or net realizable value and consisted of the following:
(in thousands) | July 31, 2022 |  | January 30, 2022
Raw materials | $ | 3,197 |  |  | $ | 4,304 |
Work in progress | 79,829 |  |  | 85,445 |
Finished goods | 24,602 |  |  | 24,254 |
Total inventories | $ | 107,628 |  |  | $ | 114,003 |

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