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, 2019	Oct. 31, 2018
Designated As Hedging Instrument | Other current assets
Financial Assets and Liabilities [Line Items]
Fair values of derivative instruments, assets	$ 5,117	$ 4,771
Designated As Hedging Instrument | Accrued liabilities
Financial Assets and Liabilities [Line Items]
Fair values of derivative instruments, liabilities	13,059	22,890
Non-Designated Hedging Instrument | Other current assets
Financial Assets and Liabilities [Line Items]
Fair values of derivative instruments, assets	46	131
Non-Designated Hedging Instrument | Accrued liabilities
Financial Assets and Liabilities [Line Items]
Fair values of derivative instruments, liabilities	$ 348	$ 132