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Financial Assets and Liabilities - Fair Values of Derivative Instrument Designated and Non-Designated as Hedging Instruments in Balance Sheet (Detail) - USD ($)
$ in Thousands
Oct. 31, 2016
Oct. 31, 2015
Designated As Hedging Instrument | Other current assets    
Financial Assets And Liabilities [Line Items]    
Fair values of derivative instruments $ 4,625 $ 6,461
Designated As Hedging Instrument | Accrued liabilities    
Financial Assets And Liabilities [Line Items]    
Fair values of derivative instruments 19,910 10,141
Non-Designated Hedging Instrument | Other current assets    
Financial Assets And Liabilities [Line Items]    
Fair values of derivative instruments 27 1
Non-Designated Hedging Instrument | Accrued liabilities    
Financial Assets And Liabilities [Line Items]    
Fair values of derivative instruments $ 101 $ 140