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Inventory And Land Held For Sale (Information Related To Interest Capitalized Into Homebuilding Inventory) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Inventory Disclosure [Abstract]    
Interest in inventory, beginning of period $ 355,068 $ 323,379
Interest capitalized 51,323 56,191
Interest expensed (47,186) (34,816)
Interest in inventory, end of period 359,205 344,754
Interest incurred $ 51,323 [1] $ 56,191 [1]
[1] Homebuilding interest incurred includes interest on senior debt and certain other financing arrangements.