Note 2 - Stock Compensation (Details Textual) - USD ($) $ in Millions	3 Months Ended
Jan. 31, 2021	Jan. 31, 2020
Share-based Payment Arrangement, Expense	$ 0.9	$ 0.6
Share-based Payment Arrangement, Expense, after Tax	0.8
Allocated Share Based Compensation, Income		0.1
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Expense	$ 0.1	$ 0.2

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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