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 |