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Commitments And Contingencies (Tables)
 6 Months Ended
Jun. 30, 2012
Commitments and Contingencies Disclosure [Abstract]  
Summary of changes in loan origination liability
Changes in these liabilities were as follows ($000's omitted):

 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2012
 
2011
 
2012
 
2011
Liabilities, beginning of period
$
123,520

 
$
82,460

 
$
128,330

 
$
93,057

Provision for losses
—

 
19,347

 
—

 
19,347

Settlements
(2,809
)
 
(3,971
)
 
(7,619
)
 
(14,568
)
Liabilities, end of period
$
120,711

 
$
97,836

 
$
120,711

 
$
97,836
Summary of changes in warranty liability
Changes to warranty liabilities were as follows ($000’s omitted):
 
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2012
 
2011
 
2012
 
2011
Warranty liabilities, beginning of period
$
64,420

 
$
74,654

 
$
68,025

 
$
80,195

Warranty reserves provided
11,570

 
10,019

 
19,421

 
19,108

Payments
(11,839
)
 
(14,202
)
 
(23,360
)
 
(28,209
)
Other adjustments
213

 
50

 
278

 
(573
)
Warranty liabilities, end of period
$
64,364

 
$
70,521

 
$
64,364

 
$
70,521
Summary of changes in self-insurance liability
Changes in these liabilities were as follows ($000's omitted):
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2012
 
2011
 
2012
 
2011
Balance, beginning of period
$
736,130

 
$
774,897

 
$
739,029

 
$
787,918

Reserves provided
10,920

 
14,497

 
22,215

 
27,210

Payments
(14,008
)
 
(29,680
)
 
(28,202
)
 
(55,414
)
Balance, end of period
$
733,042

 
$
759,714

 
$
733,042

 
$
759,714