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Inventories, Net (Tables)
6 Months Ended
Apr. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
Inventories, net consists of the following:
July 31, 2020October 31, 2019
Raw materials$22,512 $26,653 
Work in process20,558 21,369 
Finished goods18,860 19,470 
Reserves
(7,647)(3,945)
Total inventories, net$54,283 $63,547