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Note 18 (Detail) - Segment Operations - Assets (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2013
Oct. 31, 2012
Assets $ 1,618,887 $ 1,684,250 [1]
Segment [Member] | Homebuilding [Member]
    
Assets 1,168,900 1,139,697
Homebuilding [Member] | Northeast [Member]
    
Assets 367,882 396,073
Homebuilding [Member] | Mid-Atlantic [Member]
    
Assets 210,881 200,969
Homebuilding [Member] | Midwest [Member]
    
Assets 81,338 73,305
Homebuilding [Member] | Southeast [Member]
    
Assets 91,953 90,132
Homebuilding [Member] | Southwest [Member]
    
Assets 289,577 235,367
Homebuilding [Member] | West [Member]
    
Assets 127,269 143,851
Homebuilding [Member]
    
Assets 1,504,604 1,519,616 [1]
Financial Services [Member]
    
Assets 112,800 164,634 [1]
Corporate and Other [Member]
    
Assets $ 337,187 $ 379,919
[1] Derived from the audited balance sheet as of October 31, 2012.