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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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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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