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Inventories
9 Months Ended
Jul. 31, 2021
Inventory Disclosure [Abstract]  
Inventories InventoriesInventories at July 31, 2021 and October 31, 2020 were as follows:
July 31, 2021October 31, 2020
Raw materials$42,173 $33,806 
Work in process482,227 443,690 
Finished goods133,120 130,764 
Total inventories$657,520 $608,260