Note 12 - Reduction of Inventory to Fair Value - Write-offs and Lots Walked Away From (Details) - Home Building [Member] - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Real Estate [Line Items]
Amount of write-offs	$ 18.2	$ 1.6	$ 1.5
Northeast [Member]
Real Estate [Line Items]
Amount of write-offs	4.3	0.4	0.5
Southeast [Member]
Real Estate [Line Items]
Amount of write-offs	4.6	0.9	0.5
West [Member]
Real Estate [Line Items]
Amount of write-offs	$ 9.3	$ 0.3	$ 0.5