Financial Assets and Liabilities - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Oct. 31, 2023	Jul. 31, 2023	Oct. 31, 2022
Financial Assets And Liabilities [Abstract]
Cash and cash equivalents	$ 1,839,815	$ 1,433,966
Restricted cash included in prepaid and other current assets	1,536	1,549
Restricted cash included in other long-term assets	694	725
Cash, cash equivalents and restricted cash	1,842,045	1,436,240	$ 1,683,109
Cash, cash equivalents and restricted cash from discontinued operations	17,441	4,947	4,835
Total cash, cash equivalents and restricted cash, including cash from discontinued operations	$ 1,859,486	$ 1,441,187	$ 1,687,944	$ 1,419,864