Employee Benefit Plans - Stock Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense before taxes	$ 692,316	$ 563,292	$ 459,029
Income tax benefit	(115,271)	(90,915)	(74,271)
Stock-based compensation expense after taxes	577,045	472,377	384,758
Continuing operations
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense before taxes	657,935	513,094	421,749
Discontinued operations
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense before taxes	34,381	50,198	37,280
Cost of products
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense before taxes	66,403	49,896	43,618
Cost of maintenance and service
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense before taxes	32,189	29,572	24,146
Research and development expense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense before taxes	359,244	282,540	233,772
Sales and marketing expense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense before taxes	121,524	91,082	70,607
General and administrative expense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense before taxes	$ 78,575	$ 60,004	$ 49,606