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INVENTORIES (Details) - USD ($) $ in Thousands | Apr. 30, 2017 | Oct. 30, 2016
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INVENTORIES [Abstract] |  |
Finished goods | $ 74 | $ 142
Work in process | 3,692 | 2,987
Raw materials | 20,771 | 18,952
Inventory | $ 24,537 | $ 22,081

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