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Note 18 - Operating and Reporting Segments (Details) - Financial Information Relating to Segment Financial Position (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2014
Oct. 31, 2013
Assets:    
Assets $ 1,838,823 $ 1,759,130 [1]
Homebuilding [Member] | Excluding Corporate And Unallocated [Member]
    
Assets:    
Assets 1,433,895 1,206,067
Homebuilding [Member] | Northeast [Member]
    
Assets:    
Assets 313,866 323,152
Homebuilding [Member] | Mid-Atlantic [Member]
    
Assets:    
Assets 295,251 240,486
Homebuilding [Member] | Midwest [Member]
    
Assets:    
Assets 134,722 104,596
Homebuilding [Member] | Southeast [Member]
    
Assets:    
Assets 125,582 101,410
Homebuilding [Member] | Southwest [Member]
    
Assets:    
Assets 409,672 305,878
Homebuilding [Member] | West [Member]
    
Assets:    
Assets 154,802 130,545
Homebuilding [Member]
    
Assets:    
Assets 1,754,141 1,610,277 [1]
Financial Services [Member]
    
Assets:    
Assets 84,682 148,853 [1]
Corporate and Other [Member]
    
Assets:    
Assets $ 320,246 $ 404,210
[1] Derived from the audited balance sheet as of October 31, 2013.