Segment Disclosure - Reportable Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Segment Reporting Information [Line Items]
Adjusted operating income	$ 620,141	$ 520,231	$ 360,225
Stock compensation expense before taxes	248,584	155,001	140,032
Other income (expense), net	21,469	27,759	4,636
Operating Segments
Segment Reporting Information [Line Items]
Adjusted operating income	1,031,630	838,821	690,681
Segment Reconciling Items
Segment Reporting Information [Line Items]
Amortization of intangible expense	(91,281)	(100,914)	(125,664)
Stock compensation expense before taxes	(248,584)	(155,001)	(140,032)
Other income (expense), net	$ (71,624)	$ (62,675)	$ (64,760)