Discontinued Operations - Schedule of Assets and Liabilities Classified as Discontinued Operations (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Oct. 31, 2023
Assets:
Total current assets held for sale	$ 1,027,702	$ 114,654
Total long-term assets held for sale	0	908,759
Liabilities:
Total current liabilities held for sale	331,294	286,244
Total long-term liabilities held for sale	0	33,257
Discontinued operations | Software Integrity business
Assets:
Cash and cash equivalents	17,441	4,947
Accounts receivable, net	78,930	90,307
Prepaid and other current assets	48,550	19,400
Property and equipment, net	6,373
Operating lease right-of use assets, net	6,646
Goodwill	724,294
Intangible assets, net	119,141
Deferred income taxes	26,327
Total current assets held for sale	1,027,702	114,654
Property and equipment, net		7,424
Operating lease right-of use assets, net		8,906
Goodwill		724,271
Intangible assets, net		134,617
Deferred income taxes		7,388
Other long-term assets		26,153
Total long-term assets held for sale		908,759
Liabilities:
Accounts payable and accrued liabilities	91,874	63,847
Operating lease liabilities	5,626	5,858
Deferred revenue	233,794	216,539
Total current liabilities held for sale	$ 331,294	286,244
Long-term operating lease liabilities		4,349
Long-term deferred revenue		24,301
Other long-term liabilities		4,607
Total long-term liabilities held for sale		$ 33,257