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INVENTORIES (Details) - USD ($)
$ in Thousands
Apr. 30, 2022
Oct. 31, 2021
INVENTORIES    
Purchased parts and sub-assemblies $ 45,233 $ 37,527
Work-in-process 17,541 17,559
Finished goods 90,531 93,130
Inventories $ 153,305 $ 148,216