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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, 2019
Apr. 30, 2018
Product Warranty Liability [Line Items]    
Balance, beginning of period $ 2,497 $ 1,772
Provision for warranties during the period 1,630 2,205
Charges to the reserve (1,793) (1,754)
Impact of foreign currency translation 11 30
Balance, end of period $ 2,345 $ 2,253