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Note 12. Economic Development Funding Note 12. Economic Development Funding (Details)
12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2010
USD ($)
Dec. 31, 2011
Taxable Investment Incentives [Member]
EUR (€)
Dec. 31, 2011
German Investment Grant Act [Member]
EUR (€)
Dec. 31, 2012
April 2012 European Restructuring Plan [Member]
USD ($)
Mar. 31, 2012
April 2012 European Restructuring Plan [Member]
Grant Repayments [Member]
USD ($)
Dec. 31, 2012
April 2012 European Restructuring Plan [Member]
Grant Repayments [Member]
USD ($)
Dec. 31, 2012
Taxable Investment Incentives [Member]
EUR (€)
Dec. 31, 2012
German Investment Grant Act [Member]
EUR (€)
Economic Development Funding Amounts [Line Items]                    
Total German Government Grant Amount       € 6,300,000 € 17,200,000          
Restructuring charges 469,101,000 60,366,000 0     342,000,000 29,800,000 30,500,000    
Proceeds From Economic Development Funding Received To Date       5,300,000 6,000,000          
Repayment of Economic Development Funding                 5,300,000  
Other current liabilities $ 126,832,000 $ 294,646,000               € 6,000,000