Note 18 - Employee Benefits Plan (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 0.9	$ 0.9
Camfaud [Member] | Small Self-Administered Scheme [Member]
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 0.3