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Discontinued Operations - Schedule of Significant Non-cash Items and Capital Expenditures of Discontinued Operations (Details) - Discontinued Operations - Software Integrity Business - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Disposal Groups, Including Discontinued Operations [Line Items]
Amortization and depreciation	$ 0	$ 16,317
Reduction of operating lease right-of-use assets	0	2,588
Amortization of capitalized costs to obtain revenue contracts	0	14,260
Stock-based compensation	0	30,291
Deferred income taxes	(6,933)	13,562
Purchases of property and equipment	$ 0	$ 929

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Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483499/205-20-50-5B

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3A
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3A

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