Revenue - Schedule of Disaggregation of Revenue (Details) - Product Concentration Risk - Revenue	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue percentage by product group	100.00%	100.00%	100.00%	100.00%
EDA
Disaggregation of Revenue [Line Items]
Revenue percentage by product group	65.50%	63.80%	64.70%	62.20%
Design IP
Disaggregation of Revenue [Line Items]
Revenue percentage by product group	23.50%	25.10%	24.30%	26.90%
Software Integrity
Disaggregation of Revenue [Line Items]
Revenue percentage by product group	8.90%	9.50%	9.30%	8.90%
Other
Disaggregation of Revenue [Line Items]
Revenue percentage by product group	2.10%	1.60%	1.70%	2.00%