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Commitments And Contingencies (Tables)
 12 Months Ended
Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]  
Summary of changes in loan origination liability
Changes in these liabilities were as follows ($000's omitted):
 
 
2011
 
2010
 
2009
Liabilities, beginning of period
$
93,057

 
$
105,914

 
$
3,240

Provision for losses
59,349

 
16,856

 
60,896

Liabilities assumed with Centex merger
—

 
—

 
56,293

Settlements
(24,076
)
 
(29,713
)
 
(14,515
)
Liabilities, end of period
$
128,330

 
$
93,057

 
$
105,914
Summary of changes in warranty liability
Changes to warranty liabilities were as follows ($000’s omitted):
 
 
2011
 
2010
 
2009
Warranty liabilities, beginning of period
$
80,195

 
$
96,110

 
$
58,178

Warranty reserves provided
43,875

 
54,164

 
34,019

Liabilities assumed with Centex merger
—

 
—

 
55,292

Payments
(54,766
)
 
(69,789
)
 
(44,600
)
Other adjustments
(1,279
)
 
(290
)
 
(6,779
)
Warranty liabilities, end of period
$
68,025

 
$
80,195

 
$
96,110
Summary of changes in self-insurance liability
Changes in these liabilities were as follows ($000's omitted):
 
2011
 
2010
 
2009
Balance, beginning of period
$
785,562

 
$
551,020

 
$
323,227

Reserves provided
53,068

 
313,606

 
34,939

Liabilities assumed with Centex merger
—

 
2,514

 
271,071

Payments
(97,247
)
 
(81,578
)
 
(78,217
)
Balance, end of period
$
741,383

 
$
785,562

 
$
551,020