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Inventory (Details) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2014
Oct. 31, 2013
Total Inventory    
Inventory $ 6,593,804 $ 4,650,412
Land controlled for future communities [Member]
   
Total Inventory    
Inventory 117,753 99,802
Land owned for future communities [Member]
   
Total Inventory    
Inventory 2,322,532 1,287,630
Operating communities [Member]
   
Total Inventory    
Inventory $ 4,153,519 $ 3,262,980