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Income Taxes - Unrecognized (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Reconciliation of gross unrecognized taxes    
Beginning balance $ 11,131 $ 11,303
Reductions based on tax positions related to prior periods   (172)
Gross increase - Tax positions in prior periods 0 0
Ending balance 11,131 $ 11,131
Accrued interest and penalties $ 0