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Derivative Financial Instruments - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2021 | Jul. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |  |  |
Maturity of foreign currency forward contracts |  |  | 90 days |
Gains (losses) on foreign currency forward contracts | $ (1,714) | $ 17,255 | $ (505) | $ 13,096
Change in unrealized gain (loss) on foreign currency derivative instruments | $ 1,202 | $ (20,809) | $ (3,544) | $ (13,658)

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- Definition Change in Unrealized Gain Loss on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments + References No definition available. + Details
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- Definition Foreign currency forward contracts maturity period maximum. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
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