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Segment Disclosure - Schedule of Segment Reconciliation (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2019 | Apr. 30, 2018 | Apr. 30, 2019 | Apr. 30, 2018
Segment Reporting Information [Line Items] |  |  |  |
Operating income | $ 115,502 | $ 127,014 | $ 262,916 | $ 234,732
Amortization of intangible expense | (25,932) | (32,082) | (54,931) | (61,549)
Stock-based compensation expense | (36,914) | (32,965) | (75,374) | (65,288)
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income | 209,836 | 190,116 | 410,788 | 386,062
Reconciling items: |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Amortization of intangible expense | 25,197 | 31,186 | 53,424 | 59,733
Stock-based compensation expense | 36,914 | 32,965 | 75,374 | 65,288
Other | $ (32,223) | $ 1,049 | $ (19,074) | $ (26,309)

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