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Inventory And Land Held For Sale (Land Held For Sale) (Details) (USD $)
In Thousands
Sep. 30, 2011
Dec. 31, 2010
Inventory And Land Held For Sale [Abstract]  
Land held for sale, gross$ 181,373$ 124,919
Net realizable value reserves(46,810)(53,864)
Land held for sale, net$ 134,563$ 71,055