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Note 15. Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Schedule Of Non Cancelable Leases Future Minimum Payments [Table Text Block]
Future minimum payments under all of our non-cancelable leases are as follows as of December 31, 2013 (in thousands):
 
2014
2015
2016
2017
2018
Thereafter
Total minimum lease payments
Less amounts representing interest
Present value of minimum lease payments
Less current portion capital leases
Noncurrent portion capital leases
Gross operating lease obligations
$
12,225

$
11,610

$
11,231

$
11,135

$
8,352

$
6,930

$
61,483

 
 
 
 
Sublease income
(1,552
)
(1,449
)
(1,449
)
(1,449
)
(906
)
—

(6,805
)
 
 
 
 
Net operating lease obligations
10,673

10,161

9,782

9,686

7,446

6,930

54,678

 
 
 
 
Capital leases
574

569

569

519

129

173

2,533

(492
)
2,041

(362
)
1,679

Total
$
11,247

$
10,730

$
10,351

$
10,205

$
7,575

$
7,103

$
57,211

 
 
 
 
Product Warranty Disclosure [Table Text Block]
Product warranty activities during the years ended December 31, 2013, 2012, and 2011 were as follows (in thousands):
 
 
2013
 
2012
 
2011
Product warranty liability, beginning of period
 
$
191,596

 
$
157,742

 
$
27,894

Accruals for new warranties issued
 
35,985

 
40,863

 
22,411

Settlements
 
(33,499
)
 
(60,644
)
 
(24,425
)
Change in estimate of product warranty liability (1)
 
3,959

 
53,635

 
131,862

Product warranty liability, end of period
 
$
198,041

 
$
191,596

 
$
157,742

Current portion of warranty liability
 
$
67,097

 
$
90,581

 
$
78,637

Noncurrent portion of warranty liability
 
$
130,944

 
$
101,015

 
$
79,105



(1)
Changes in estimate of product warranty liability during 2012 includes a net increase to our best estimate of $22.6 million partially related to a net increase in the expected number of replacement modules required for certain remediation efforts related to the manufacturing excursion that occurred between June 2008 and June 2009. Such estimated increase was primarily due to the completion of the analysis on certain outstanding claims as of December 31, 2011. Additionally, the remaining increase was primarily related to a change in estimate for the market value of the modules that we estimated would be returned to us under the voluntary remediation efforts that would meet the required performance standards to be re-sold as refurbished modules.