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Inventories - Components of Inventories (Details) - USD ($)
$ in Thousands
Jul. 31, 2022
Oct. 31, 2021
Inventories    
Raw materials $ 31,347 $ 25,968
Work-in-process 53,845 45,692
Inventories 85,192 71,660
Inventories - short-term (80,606) (67,074)
Inventories - long-term $ 4,586 $ 4,586