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Summary of Significant Accounting Policies - Comprehensive Income (Loss) by Component (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net Amount     $ (1,562) $ 733
Foreign currency translation adjustments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Pre-tax Amount $ (828) $ (1,042) (1,779) 330
Tax Expense 0 0 0 0
Net Amount (828) (1,042) (1,779) 330
Other comprehensive gain before reclassifications        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Pre-tax Amount 99 185 298 553
Tax Expense (27) (50) (81) (150)
Net Amount 72 135 217 403
Other comprehensive loss        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Pre-tax Amount (729) (857) (1,481) 883
Tax Expense (27) (50) (81) (150)
Net Amount $ (756) $ (907) $ (1,562) $ 733