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INVENTORIES (Details) - USD ($)
$ in Thousands
Oct. 31, 2020
Oct. 31, 2019
INVENTORIES    
Purchased parts and sub-assemblies $ 30,390 $ 32,074
Work-in-process 12,635 20,901
Finished goods 106,839 95,876
Inventories $ 149,864 $ 148,851