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Basis Of Presentation And Significant Accounting Policies (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Unfunded settlements $ 13,000,000 $ 12,800,000  
Finite-Lived Intangible Assets, Weighted-Average Useful Life 20    
Intangible Assets, Gross 259,000,000 259,000,000  
Intangible Assets, Accumulated Amortization 96,700,000 83,600,000  
Amortization of intangible assets 13,100,000 13,100,000 14,008,000
Future Amortization Expense, Year One 13,100,000    
Future Amortization Expense, Year Two 13,100,000    
Future Amortization Expense, Year Three 13,100,000    
Future Amortization Expense, Year Four 13,100,000    
Future Amortization Expense, Year Five 13,100,000    
Impairment of Intangible Assets, Finite-lived 0 0 0
Property, Plant and Equipment, Net 53,182,000 59,263,000  
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 203,400,000 237,000,000  
Depreciation Expense 19,000,000 32,500,000 40,200,000
Advertising Expense 55,100,000 54,900,000 47,100,000
Defined Contribution Plan, Cost Recognized 0 200,000 5,700,000
Lease exit and related costs - Financial Services 100,000 2,900,000 700,000
Earnings attributable to restricted shareholders 0 0 0
Number of VIEs requiring consolidation 0 0  
Land under Purchase Options, Recorded 24,905,000 50,781,000  
Residential mortgage loans available-for-sale 258,075,000 176,164,000  
Residential mortgage loans available-for-sale aggregate outstanding principal balance 248,200,000 175,900,000  
Net gain (loss) from change in fair value (400,000) 1,900,000  
Net gains from the sale of mortgages 59,100,000 66,000,000 59,500,000
Servicing rights recognized 16,000,000 20,800,000 29,300,000
Loans held for investment 2,400,000 3,100,000  
Reserves on loans held for investment 1,900,000 3,100,000  
Interest and Fee Income, Loans Held-for-sale, Mortgages 5,000,000 5,800,000 7,700,000
Unamortized Discounts reflected within fair value of mortgage loans held for sale 700,000 1,000,000  
Interest rate lock commitments, face value 97,600,000 99,000,000  
Unexpired cash forward contracts 311,500,000 198,000,000  
Whole loan investor commitments 1,600,000 59,000,000  
Variability in future cash flows of derivative instruments in days 60    
Liabilities for land, not owned, under option agreements 24,905,000 50,781,000  
Vehicles [Member]
      
Property, Plant and Equipment, Useful Life, Minimum 3    
Property, Plant and Equipment, Useful Life, Maximum 7    
Furniture and Fixtures [Member]
      
Property, Plant and Equipment, Useful Life, Minimum 2    
Property, Plant and Equipment, Useful Life, Maximum 3    
Equipment [Member]
      
Property, Plant and Equipment, Useful Life, Minimum 3    
Property, Plant and Equipment, Useful Life, Maximum 10    
Centex [Member]
      
Amortization of intangible assets 5,000,000 5,000,000 5,900,000
Amortization expense related to customer backlog acquired in business combination     $ 4,000,000
Minimum [Member]
      
Period of Reimbursement of Payments on Loan Prepay in Days 90    
Maximum [Member]
      
Period of Reimbursement of Payments on Loan Prepay in Days 120