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Segment Disclosure - Schedule of Segment Reconciliation (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2019 | Jul. 31, 2018 | Jul. 31, 2019 | Jul. 31, 2018
Segment Reporting Information [Line Items] |  |  |  |
Operating income | $ 127,594 | $ 63,968 | $ 390,510 | $ 298,700
Amortization of intangible expense | (24,414) | (31,699) | (79,345) | (93,248)
Stock-based compensation expense | (39,453) | (37,252) | (114,827) | (102,540)
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income | 216,581 | 167,847 | 627,369 | 553,909
Reconciling items: |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Amortization of intangible expense | 23,714 | 30,805 | 77,138 | 90,538
Stock-based compensation expense | 39,453 | 37,252 | 114,827 | 102,540
Other | $ (25,820) | $ (35,822) | $ (44,894) | $ (62,131)

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