Revenue - Schedule of Disaggregation of Revenue (Details) - Product Concentration Risk - Revenue	3 Months Ended		9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
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	66.90%	71.80%	66.80%	71.30%
Design IP
Disaggregation of Revenue [Line Items]
Revenue percentage by product group	30.40%	25.90%	30.90%	26.70%
Other
Disaggregation of Revenue [Line Items]
Revenue percentage by product group	2.70%	2.30%	2.30%	2.00%