Segment Disclosure - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Segment Reporting Information [Line Items]
Total revenue	$ 1,649,230	$ 1,361,340
Adjusted operating income	359,620	255,932
Operating Segments
Segment Reporting Information [Line Items]
Adjusted operating income	$ 638,358	$ 479,167
Adjusted operating margin	39.00%	35.00%
Operating Segments | Design Automation:
Segment Reporting Information [Line Items]
Total revenue	$ 985,339	$ 889,846
Adjusted operating income	$ 364,883	$ 346,009
Adjusted operating margin	37.00%	39.00%
Operating Segments | Design IP:
Segment Reporting Information [Line Items]
Total revenue	$ 525,650	$ 343,651
Adjusted operating income	$ 249,494	$ 117,625
Adjusted operating margin	47.00%	34.00%
Operating Segments | Software Integrity:
Segment Reporting Information [Line Items]
Total revenue	$ 138,241	$ 127,843
Adjusted operating income	$ 23,981	$ 15,533
Adjusted operating margin	17.00%	12.00%