Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Property, Plant and Equipment (Details Textual)

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Note 6 - Property, Plant and Equipment (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2021
Jul. 31, 2020
Depreciation, Total $ 7.2 $ 6.5 $ 21.2 $ 19.5