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Note 12 - Reduction of Inventory to Fair Value - Write-offs and Lots Walked Away From (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Oct. 31, 2022
Real Estate [Line Items]      
Amount of write-offs $ 1.6 $ 1.5 $ 5.7
Home Building [Member]      
Real Estate [Line Items]      
Amount of write-offs 1.6 1.5 5.7
Home Building [Member] | Northeast [Member]      
Real Estate [Line Items]      
Amount of write-offs 0.4 0.5 0.4
Home Building [Member] | Southeast [Member]      
Real Estate [Line Items]      
Amount of write-offs 0.9 0.5 0.9
Home Building [Member] | West [Member]      
Real Estate [Line Items]      
Amount of write-offs $ 0.3 $ 0.5 $ 4.4