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Segment Disclosure - Revenues Related to Operations by Geographic Areas (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017
Schedule of Revenues from External Customers [Line Items] |  |  |
Total revenue | $ 3,360,694 | $ 3,121,058 | $ 2,724,880
United States |  |  |
Schedule of Revenues from External Customers [Line Items] |  |  |
Total revenue | 1,676,178 | 1,508,224 | 1,357,364
Europe |  |  |
Schedule of Revenues from External Customers [Line Items] |  |  |
Total revenue | 349,033 | 369,125 | 308,419
Korea |  |  |
Schedule of Revenues from External Customers [Line Items] |  |  |
Total revenue | 353,358 | 307,974 | 291,103
Japan |  |  |
Schedule of Revenues from External Customers [Line Items] |  |  |
Total revenue | 272,677 | 283,337 | 247,631
Asia Pacific and Other |  |  |
Schedule of Revenues from External Customers [Line Items] |  |  |
Total revenue | $ 709,448 | $ 652,398 | $ 520,363

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
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