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GUARANTEES AND PRODUCT WARRANTIES - Reconciliation of the changes in warranty reserve (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2020
Jan. 31, 2019
GUARANTEES AND PRODUCT WARRANTIES    
Balance, beginning of period $ 1,760 $ 2,499
Provision for warranties during the period 492 962
Charges to the reserve (784) (868)
Impact of foreign currency translation 3 27
Balance, end of period $ 1,471 $ 2,620