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Financial Assets and Liabilities - Fair Values of Derivative Instrument Designated and Non-Designated as Hedging Instruments in Unaudited Condensed Consolidated Balance Sheet (Detail) - USD ($)
$ in Thousands
Jan. 31, 2020
Oct. 31, 2019
Designated As Hedging Instrument | Other current assets    
Financial Assets and Liabilities [Line Items]    
Fair values of derivative instruments, assets $ 8,336 $ 7,327
Designated As Hedging Instrument | Accrued liabilities    
Financial Assets and Liabilities [Line Items]    
Fair values of derivative instruments, liabilities 2,448 3,715
Non-Designated Hedging Instrument | Other current assets    
Financial Assets and Liabilities [Line Items]    
Fair values of derivative instruments, assets 248 53
Non-Designated Hedging Instrument | Accrued liabilities    
Financial Assets and Liabilities [Line Items]    
Fair values of derivative instruments, liabilities $ 99 $ 171