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Financial Assets and Liabilities - Income Statement Location and Amount of Gains and Losses on Derivative Instrument Fair Values for Designated Hedge Instruments, Net of Tax (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 31, 2017 | Oct. 31, 2016 | Oct. 31, 2015
Financial Assets And Liabilities [Line Items] |  |  |
Amount of gain (loss) recognized in OCI on derivatives (effective portion) | $ 20,928 | $ (25,839) | $ (18,623)
Amount of gain (loss) reclassified from OCI (effective portion) | (3,564) | (20,710) | (14,923)
Foreign Exchange Contracts | Revenues |  |  |
Financial Assets And Liabilities [Line Items] |  |  |
Amount of gain (loss) recognized in OCI on derivatives (effective portion) | 7,582 | (14,580) | 3,982
Amount of gain (loss) reclassified from OCI (effective portion) | (2,759) | (8,585) | 9,270
Foreign Exchange Contracts | Operating expenses |  |  |
Financial Assets And Liabilities [Line Items] |  |  |
Amount of gain (loss) recognized in OCI on derivatives (effective portion) | 13,346 | (11,259) | (22,605)
Amount of gain (loss) reclassified from OCI (effective portion) | $ (805) | $ (12,125) | $ (24,193)

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624177-113959 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 + Details
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