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GUARANTEES AND PRODUCT WARRANTIES (Reconciliation of the changes in our warranty reserve) (Details) - USD ($)
$ in Thousands
6 Months Ended
Apr. 30, 2018
Apr. 30, 2017
Product Warranty Liability [Line Items]    
Balance, beginning of period $ 1,772 $ 1,523
Provision for warranties during the period 2,205 1,614
Charges to the reserve (1,754) (1,605)
Impact of foreign currency translation 30 9
Balance, end of period $ 2,253 $ 1,541