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Other Income (Expense) (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Apr. 30, 2014
Apr. 30, 2013
Apr. 30, 2014
Apr. 30, 2013
Other Income and Expenses [Abstract]        
Foreign currency transaction gains (losses) $ 170 $ (331) $ 66 $ 331
Foreign currency derivative gains (losses) 208 (326) 94 382
Interest income 16 14 22 34
Other 0 0 80 (65)
Other income (expense) $ (22) $ 9 $ 74 $ (82)