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Other Income (Expense), net - Components of Other Income (Expense), Net (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016
Other Income (Expense) |  |  |  |
Interest income | $ 1,499 | $ 889 | $ 2,733 | $ 1,469
Interest expense | (1,860) | (848) | (3,168) | (1,521)
Gain (loss) on assets related to executive deferred compensation plan assets | 7,763 | 8,707 | 15,543 | (687)
Foreign currency exchange gain (loss) | (623) | (783) | 2,599 | (202)
Other, net | 1,635 | 2,452 | 2,194 | 4,590
Total | $ 8,414 | $ 10,417 | $ 19,901 | $ 3,649

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