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Note 18 - Operating and Reporting Segments (Details) - Financial Information Relating to Segment Financial Position (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2014
Oct. 31, 2013
Assets:    
Assets $ 1,893,728 $ 1,759,130 [1]
Homebuilding [Member] | Excluding Corporate And Unallocated [Member]
    
Assets:    
Assets 1,531,155 1,206,067
Homebuilding [Member] | Northeast [Member]
    
Assets:    
Assets 327,384 323,152
Homebuilding [Member] | Mid-Atlantic [Member]
    
Assets:    
Assets 313,962 240,486
Homebuilding [Member] | Midwest [Member]
    
Assets:    
Assets 155,324 104,596
Homebuilding [Member] | Southeast [Member]
    
Assets:    
Assets 134,998 101,410
Homebuilding [Member] | Southwest [Member]
    
Assets:    
Assets 438,194 305,878
Homebuilding [Member] | West [Member]
    
Assets:    
Assets 161,293 130,545
Homebuilding [Member]
    
Assets:    
Assets 1,795,267 1,610,277 [1]
Financial Services [Member]
    
Assets:    
Assets 98,461 148,853 [1]
Corporate and Other [Member]
    
Assets:    
Assets $ 264,112 $ 404,210
[1] Derived from the audited balance sheet as of October 31, 2013.