v3.26.1
Note 5 - Property, Plant and Equipment - Depreciation Expense 2 (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Depreciation Expense $ 10,426 $ 10,554 $ 20,883 $ 20,726
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue        
Depreciation Expense 9,888 10,004 19,816 19,627
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense        
Depreciation Expense $ 538 $ 550 $ 1,067 $ 1,099