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Significant Accounting Policies (Details 1) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2021
Jul. 31, 2020
Home Building [Member]        
Reclassification [Line Items]        
Contract with Customer, Liability, Revenue Recognized $ 104,200   $ 303,400  
Reclassification, Other        
Reclassification [Line Items]        
Sales Commissions and Fees   $ 32,800   $ 89,300
Third party broker commissions as a % of home sales revenues   2.00%   2.00%