INTEREST AND OTHER INCOME (LOSS), NET (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
|
| Other Income and Expenses [Abstract] | ||||
| Interest income | $ 1,507 | $ 982 | $ 2,789 | $ 1,668 |
| Losses on non-hedge designated foreign currency forward contracts | (2,749) | (10,600) | (1,725) | (15,213) |
| Foreign currency exchange gain (loss) | 1,292 | 10,506 | (1,125) | 6,130 |
| Modification of term loan | (2,924) | 0 | (2,924) | 0 |
| Other | (44) | 79 | 437 | (394) |
| Interest and other income (loss), net | $ (2,918) | $ 967 | $ (2,548) | $ (7,809) |