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SEGMENT INFORMATION (Schedule of Net Sales and Service Fees by Product Category) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Oct. 31, 2022
Jul. 31, 2022
Apr. 30, 2022
Jan. 31, 2022
Oct. 31, 2021
Jul. 31, 2021
Apr. 30, 2021
Jan. 31, 2021
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2020
Revenue from External Customer [Line Items]                      
Net Sales and Service Fees $ 63,462 $ 57,640 $ 62,825 $ 66,887 $ 68,982 $ 54,178 $ 57,920 $ 54,115 $ 250,814 $ 235,195 $ 170,627
Computerized Machine Tools                      
Revenue from External Customer [Line Items]                      
Net Sales and Service Fees                 211,804 198,602 139,577
Computer Control Systems and Software                      
Revenue from External Customer [Line Items]                      
Net Sales and Service Fees                 2,634 2,528 1,699
Service Parts                      
Revenue from External Customer [Line Items]                      
Net Sales and Service Fees                 28,219 26,425 22,484
Service Fees                      
Revenue from External Customer [Line Items]                      
Net Sales and Service Fees                 $ 8,157 $ 7,640 $ 6,867