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Commitments And Contingencies (Narrative) (Details) (USD $) | 12 Months Ended | 24 Months Ended |
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2007 | Dec. 31, 2009
Loss Contingencies [Line Items] |  |  |  |  |
Future minimum sublease rental income | $ 15,100,000 |  |  |  |
Operating lease rent expense | 24,200,000 | 26,700,000 | 37,200,000 |  |
Total mortgage origination dollars |  |  |  | 39,500,000,000 |
Percentage of loan origination repurchase requests in which Company is able to cure or refute the claim | 60.00% |  |  |  |
Actual Loss Severities Percentage on Mortgage Repurchase Requests | 50.00% |  |  |  |
Accrued liabilities for outstanding community development district obligations | 33,119,000 | 38,440,000 |  |  |
Aggregate Principal Balance of Community Development District Obligations Repurchased | 0 | 26,600,000 | 124,100,000 |  |
Discount on repurchases of community development district obligations |  | 5,200,000 | 12,900,000 |  |
Letters of Credit Outstanding, Amount | 179,200,000 | 235,900,000 |  |  |
Surety Bonds Outstanding | 1,000,000,000 | 1,200,000,000 |  |  |
Maximum product warranty in years | 10 years |  |  |  |
Loss Contingency, Pending Claims, Number | 1,000 |  |  |  |
Self-insurance liabilities | 721,284,000 | 739,029,000 | 787,918,000 |  | 551,020,000
Incurred but not reported percentage of liability reserves | 74.00% | 78.00% |  |  |
Adjustment to self insurance reserves |  |  | 280,400,000 |  |
Adjustment to insurance reserve per basic and diluted share |  |  | $ 0.74 |  |
Liabilities assumed with merger | 0 | 0 | 2,514,000 |  |
Residential mortgage backed securities known [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Residential mortgage-backed securities principal sold in previous period | 162,000,000 |  |  |  |
Residential mortgage backed securities other [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Residential mortgage-backed securities principal sold in previous period | $ 116,000,000 |  |  |  |

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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a type of municipal bond typically used to fund a development project. Also called special assessment limited liability bond, special district bond, special purpose bond, special tax bond and community development obligation. Interest owed to lenders is paid by taxes levied on the community benefiting from the particular bond-funded project. For example, if a bond of this sort was issued to pay for sidewalks to be repaved in a certain community, an additional tax would be levied on homeowners in the area benefiting from this project. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Article 5 -Subsection 20, 22 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13, 16 -Article 9 + Details
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