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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 | Jul. 31, 2018 | Oct. 31, 2017
--- | --- | ---
Designated As Hedging Instrument | Other current assets |  |
Financial Assets and Liabilities [Line Items] |  |
Fair values of derivative instruments, assets | $ 3,872 | $ 16,582
Designated As Hedging Instrument | Accrued liabilities |  |
Financial Assets and Liabilities [Line Items] |  |
Fair values of derivative instruments, liabilities | 12,962 | 2,485
Non-Designated Hedging Instrument | Other current assets |  |
Financial Assets and Liabilities [Line Items] |  |
Fair values of derivative instruments, assets | 9 | 15
Non-Designated Hedging Instrument | Accrued liabilities |  |
Financial Assets and Liabilities [Line Items] |  |
Fair values of derivative instruments, liabilities | $ 121 | $ 59

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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226000-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=82924980&loc=SL51823488-111719 + Details
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