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Income Taxes - Reconciliation (Details)
12 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Oct. 31, 2021
Effective tax rate reconciliation (as a percent)      
Federal statutory tax rate 21.00% 21.00% 21.00%
State taxes, net of federal effects 0.90% (1.30%) 11.60%
Rate differential on NOL carryback     125.80%
Foreign tax rate differential (29.80%) 5.20% 16.10%
Uncertain tax positions   5.10% (1059.90%)
Stock based compensation (26.30%) (6.10%) (16.70%)
Provision to return (12.30%) (59.90%) 39.20%
US tax on foreign income, net (15.80%)    
State rate change 0.90% (2.50%) 9.20%
Valuation allowance (150.70%) (24.20%) (44.10%)
Limits on executive compensation (21.60%)    
Other permanent differences (19.10%) (33.80%)  
Other (40.60%) (0.50%) (15.50%)
Effective income tax rate (293.40%) (97.00%) (913.30%)