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Financial Assets and Liabilities - Income Statement Location and Amount of Gains and Losses on Derivative Instrument Fair Values for Designated Hedge Instruments, Net of Tax (Detail) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Financial Assets And Liabilities [Line Items]      
Amount of gain (loss) recognized in OCI on derivatives (effective portion) $ (18,623) $ (5,501) $ 6,107
Amount of gain (loss) reclassified from OCI (effective portion) (14,923) 3,882 6,565
Foreign Exchange Contracts | Revenue      
Financial Assets And Liabilities [Line Items]      
Amount of gain (loss) recognized in OCI on derivatives (effective portion) 3,982 5,395 2,427
Amount of gain (loss) reclassified from OCI (effective portion) 9,270 2,339 7,457
Foreign Exchange Contracts | Operating Expenses      
Financial Assets And Liabilities [Line Items]      
Amount of gain (loss) recognized in OCI on derivatives (effective portion) (22,605) (10,896) 3,680
Amount of gain (loss) reclassified from OCI (effective portion) $ (24,193) $ 1,543 $ (892)