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INVENTORIES (Details) - USD ($) $ in Thousands | Apr. 29, 2018 | Oct. 29, 2017
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INVENTORIES [Abstract] |  |
Finished goods | $ 2,011 | $ 664
Work in process | 4,901 | 2,957
Raw materials | 25,024 | 20,082
Inventory | $ 31,936 | $ 23,703

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