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Basis Of Presentation And Significant Accounting Policies (Other Expense (Income), Net) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Other expense (income), net [Line Items]    
Write-off of deposits and pre-acquisition costs $ 341 $ 739
Amortization of intangible assets 3,275 3,275
Miscellaneous expense (income), net 991 246
Other expense (income), net 4,772 6,619
Homebuilding [Member]
    
Other expense (income), net [Line Items]    
Lease exit and related costs $ 165 [1] $ 2,359 [1]
[1] (a)Excludes $2.4 million of lease exit costs classified within Financial Services expense during the three months ended March 31, 2012