FINANCIAL INSTRUMENTS (Narrative) (Details) - USD ($) $ in Thousands |
Jan. 31, 2017 |
Oct. 31, 2016 |
|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Notional amount of contracts | $ 109,000 | $ 125,600 |
| Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | ||
| Assets | ||
| Derivatives | 2,021 | 1,725 |
| Liabilities | ||
| Derivatives | $ 489 | $ 538 |