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Note 17 - Operating and Reporting Segments - Financial Information Relating to Segment Financial Position (Details) - USD ($)
$ in Thousands
Jul. 31, 2020
Oct. 31, 2019
Assets $ 1,805,744 $ 1,881,424
Corporate, Non-Segment [Member]    
Assets 259,141 186,046
Homebuilding [Member]    
Assets 1,670,410 1,682,149
Homebuilding [Member] | Operating Segments [Member]    
Assets 1,411,269 1,496,103
Homebuilding [Member] | Northeast [Member] | Operating Segments [Member]    
Assets 109,806 163,342
Homebuilding [Member] | Mid-Atlantic [Member] | Operating Segments [Member]    
Assets 261,682 264,894
Homebuilding [Member] | Midwest [Member] | Operating Segments [Member]    
Assets 111,978 117,242
Homebuilding [Member] | Southeast [Member] | Operating Segments [Member]    
Assets 275,405 281,654
Homebuilding [Member] | Southwest [Member] | Operating Segments [Member]    
Assets 349,983 357,052
Homebuilding [Member] | West [Member] | Operating Segments [Member]    
Assets 302,415 311,919
Financial Services [Member]    
Assets 135,334 199,275
Financial Services [Member] | Operating Segments [Member]    
Assets $ 135,334 $ 199,275