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Accumulated Other Comprehensive Income (Loss) - Effect of Amounts Reclassified out of Each Component of Accumulated Other Comprehensive Income (Loss) into Net Income (Detail) - Reclassification out of accumulated other comprehensive income (loss) - USD ($) $ in Thousands | 3 Months Ended
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Jan. 31, 2018 | Jan. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Reclassifications into net income | $ 5,302 | $ (3,853)
Revenues | Gain (loss) on cash flow hedges, net of taxes |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Reclassifications into net income | 1,667 | (1,753)
Operating expenses | Gain (loss) on cash flow hedges, net of taxes |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Reclassifications into net income | 3,639 | (2,101)
Other income (expense) | Gain (loss) on available-for-sale securities |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Reclassifications into net income | $ (4) | $ 1

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- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84158357&loc=d3e1436-108581 + Details
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