XML 54 R43.htm IDEA: XBRL DOCUMENT v3.20.4
Summary of Significant Accounting Policies - Accumulated Comprehensive Income (Loss) by Component (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance $ 195,760 $ 221,688
Ending balance 191,729 212,817
Foreign Currency Translation Loss    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (3,069) (2,362)
Other comprehensive income 795 (1,267)
Ending balance (2,274) (3,629)
Defined Benefit Pension Plan    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (4,479) (4,753)
Other comprehensive income 134 135
Ending balance (4,345) (4,618)
Available-for-Sale Securities    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance 0 (140)
Other comprehensive income 0 0
Ending balance 0 (140)
Accumulated Other Comprehensive (Loss) Income    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (7,548) (7,255)
Other comprehensive income 929 (1,132)
Ending balance $ (6,619) $ (8,387)