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Summary of Significant Accounting Policies - Comprehensive Income (Loss) by Component (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net Amount $ 127 $ 929
Foreign Currency Translation (Loss) Gain    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Pre-tax Amount 55 795
Tax Expense 0 0
Net Amount 55 795
Defined Benefit Pension Plan    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Pre-tax Amount 99 185
Tax Expense (27) (51)
Net Amount 72 134
Accumulated Other Comprehensive (Loss) Income    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Pre-tax Amount 154 980
Tax Expense (27) (51)
Net Amount $ 127 $ 929