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Basis of Presentation and Significant Accounting Policies - Advertising Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Oct. 31, 2021
Basis of Presentation and Significant Accounting Policies      
Advertising costs $ 0.4 $ 0.6 $ 0.4