Financial Assets and Liabilities - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Apr. 30, 2024	Oct. 31, 2023	Apr. 30, 2023	Oct. 31, 2022
Financial Assets And Liabilities [Abstract]
Cash and cash equivalents	$ 1,502,920	$ 1,433,966
Restricted cash included in prepaid and other current assets	1,557	1,549
Restricted cash included in other long-term assets	722	725
Cash, cash equivalents and restricted cash	1,505,199	1,436,240	$ 1,542,241
Cash, cash equivalents and restricted cash from discontinued operations	6,445	4,947	4,140
Total cash, cash equivalents and restricted cash, including cash from discontinued operations	$ 1,511,644	$ 1,441,187	$ 1,546,381	$ 1,419,864