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Operating Segments - Sales Information by Geographic Regions (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2016 | Apr. 30, 2015 | Apr. 30, 2016 | Apr. 30, 2015
Net external sales |  |  |  |
Net external sales | $ 437,592 | $ 400,727 | $ 809,812 | $ 779,735
United States [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | 131,262 | 140,030 | 248,653 | 262,854
Americas [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | 33,582 | 31,028 | 60,289 | 59,296
Europe [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | 125,933 | 105,097 | 245,651 | 213,663
Japan [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | 29,366 | 28,499 | 48,869 | 50,032
Asia Pacific [Member] |  |  |  |
Net external sales |  |  |  |
Net external sales | $ 117,449 | $ 96,073 | $ 206,350 | $ 193,890

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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=26872669&loc=d3e20235-122688 + Details
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