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Financial Assets and Liabilities - Ineffective Portion and Portion Excluded from Effectiveness Testing of Derivative Hedge Gains (Losses) (Detail) - Foreign Exchange Contracts - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Financial Assets And Liabilities [Line Items]      
Amount of gain (loss) recognized in income statement on derivatives (ineffective portion) $ 1,468 $ 878 $ (302)
Amount of gain (loss) recognized in income statement on derivatives (excluded from effectiveness testing) $ 6,058 $ 3,704 $ 3,259