Discontinued Operations - Schedule of Significant Non-cash Items and Capital Expenditures of Discontinued Operations (Details) - Discontinued operations - Software Integrity business - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Disposal Groups, Including Discontinued Operations [Line Items]
Amortization and depreciation	$ 16,317	$ 51,971	$ 44,173
Reduction of operating lease right-of-use assets	2,162	5,120	4,898
Amortization of capitalized costs to obtain revenue contracts	25,051	30,071	23,090
Stock-based compensation	34,381	50,198	37,280
Deferred income taxes	(31,679)	(3,136)	(599)
Purchases of property and equipment	$ 1,487	$ 3,232	$ 3,610