v3.26.1
Note 4 - Reduction of Inventory to Fair Value (Details Textual)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2026
USD ($)
Item
Jul. 31, 2025
USD ($)
Item
Number
Jul. 31, 2026
USD ($)
Item
Number
Jul. 31, 2025
USD ($)
Number
Item
Oct. 31, 2025
USD ($)
Real Estate [Line Items]          
Impairment of Real Estate   $ 7.6 $ 5.3 $ 8.8  
Home Building [Member]          
Real Estate [Line Items]          
Number of Communities Evaluated for Impairment | Item     427 452  
Land Option Write Offs $ 0.5 $ 8.4 $ 6.3 $ 11.3  
Number of Walk Away Lots | Item 962 4,059 3,712 8,956  
Carrying Value of Communities Tested for Impairment     $ 32.5    
Number of Communities Performed Detailed Impairment Calculations | Number     6    
Home Building [Member] | Northeast [Member]          
Real Estate [Line Items]          
Number of Communities impaired | Number   1   2  
Home Building [Member] | West [Member]          
Real Estate [Line Items]          
Number of Communities impaired | Number   3 2 3  
Home Building [Member] | Southeast and West [Member]          
Real Estate [Line Items]          
Carrying Value of Communities Tested for Impairment     $ 21.7    
Impairment of Real Estate     $ 5.3    
Home Building [Member] | Southeast [Member]          
Real Estate [Line Items]          
Number of Communities impaired | Number     2    
Home Building [Member] | Northeast and West [Member]          
Real Estate [Line Items]          
Carrying Value of Communities Tested for Impairment   $ 35.9   $ 41.3  
Impairment of Real Estate   $ 7.6   $ 8.8  
Home Building [Member] | Model Sale Leaseback Financing Arrangements [Member]          
Real Estate [Line Items]          
Inventory Real Estate, Other Options $ 63.1   $ 63.1   $ 74.3
Liabilities from Inventory Real Estate Not Owned 63.7   63.7   75.6
Home Building [Member] | Land Banking Arrangement [Member]          
Real Estate [Line Items]          
Inventory Real Estate, Other Options 285.1   285.1   258.6
Liabilities from Inventory Real Estate Not Owned $ 164.9   $ 164.9   $ 169.1