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Guarantees and Indemnifications Guarantees and Indemnifications (Tables)
 6 Months Ended
Jun. 30, 2015
Warranty Accrual Rollforward [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
A summary of warranty activity for the three and six months ended June 30, 2015 and 2014 is as follows:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In thousands)
2015
 
2014
 
2015
 
2014
Warranty reserves, beginning of period
$
11,551

 
$
11,769

 
$
12,671

 
$
12,291

Warranty expense on homes delivered during the period
2,044

 
1,680

 
3,583

 
3,039

Changes in estimates for pre-existing warranties
413

 
652

 
676

 
890

Settlements made during the period
(3,370
)
 
(2,881
)
 
(6,292
)
 
(5,000
)
Warranty reserves, end of period
$
10,638

 
$
11,220

 
$
10,638

 
$
11,220