|
Other Income (Expense) - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Apr. 30, 2013
|
Apr. 30, 2012
|
Apr. 30, 2013
|
Apr. 30, 2012
|
|
| Other Income and Expenses [Abstract] | ||||
| Foreign currency transaction gains (losses) | $ (331) | $ (12) | $ 331 | $ (617) |
| Foreign currency exchange derivative gains (losses) | 326 | (95) | (382) | 626 |
| Interest income | 14 | 68 | 34 | 147 |
| Other | 0 | 0 | (65) | 22 |
| Other income (expense) | $ 9 | $ (39) | $ (82) | $ 178 |