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Summary of Significant Accounting Policies - Accumulated Comprehensive Income (Loss) by Component (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance $ 180,602 $ 191,729 $ 188,435 $ 195,760
Other comprehensive (loss) income     (806) 1,640
Ending balance 179,976 193,087 179,976 193,087
Foreign Currency Translation (Loss) Gain        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     (3,754) (3,069)
Other comprehensive (loss) income (1,006) 577 (951) 1,372
Ending balance (4,705) (1,697) (4,705) (1,697)
Defined Benefit Pension Plan        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     (1,979) (4,479)
Other comprehensive (loss) income 73 134 145 268
Ending balance (1,834) (4,211) (1,834) (4,211)
Accumulated Other Comprehensive Loss        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (5,606) (6,619) (5,733) (7,548)
Other comprehensive (loss) income (933) 711 (806) 1,640
Ending balance $ (6,539) $ (5,908) $ (6,539) $ (5,908)