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INVENTORIES (Tables)
 3 Months Ended
Jan. 31, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories, priced at the lower of cost (first-in, first-out method) or net realizable value, are summarized below (in thousands):
 
 
 
January 31,
 
October 31,
 
 
 
2018
 
2017
 
Purchased parts and sub-assemblies
 
$
38,315
 
$
33,045
 
Work-in-process
 
 
22,040
 
 
20,008
 
Finished goods
 
 
71,171
 
 
66,895
 
 
 
$
131,526
 
$
119,948