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Operating Segments - Sales Information by Geographic Regions (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016
Net external sales |  |  |  |
Net external sales | $ 496,137 | $ 437,592 | $ 903,607 | $ 809,812
United States [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | 156,095 | 131,262 | 281,616 | 248,653
Americas [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | 36,326 | 33,582 | 66,368 | 60,289
Europe [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | 128,468 | 125,933 | 247,627 | 245,651
Japan [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | 30,855 | 29,366 | 55,032 | 48,869
Asia Pacific [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | $ 144,393 | $ 117,449 | $ 252,964 | $ 206,350

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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