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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, 2017
Oct. 31, 2016
Designated As Hedging Instrument | Other current assets    
Financial Assets And Liabilities [Line Items]    
Fair values of derivative instruments, assets $ 16,582 $ 4,625
Designated As Hedging Instrument | Accrued liabilities    
Financial Assets And Liabilities [Line Items]    
Fair values of derivative instruments, liabilities 2,485 19,910
Non-Designated Hedging Instrument | Other current assets    
Financial Assets And Liabilities [Line Items]    
Fair values of derivative instruments, assets 15 27
Non-Designated Hedging Instrument | Accrued liabilities    
Financial Assets And Liabilities [Line Items]    
Fair values of derivative instruments, liabilities $ 59 $ 101