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Note 16. Capital Stock (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2016 | Mar. 31, 2015
Class of Stock [Line Items] |  |  |
Stock Repurchased During Period, Shares |  | 9.4 |
Payments for Repurchase of Common Stock |  | $ 100,188 | $ 0
Accelerated Share Repurchases, Final Price Paid Per Share |  | $ 10.62 |
Convertible Senior Notes Due 2017 |  |  |
Class of Stock [Line Items] |  |  |
Debt Instrument, Repurchase Amount | $ 30,100 | $ 30,100 |
Convertible Debt, Termination of Capped Call Transaction, Number of Shares Received | 0.2 |  |
Convertible Debt, Termination of Capped Call Transaction, Total Consideration | $ 2,600 |  |
Convertible Debt, Termination of Capped Call Transaction, Closing Stock Price | $ 11.86 | $ 11.86 |
Convertible Senior Notes Due 2019 |  |  |
Class of Stock [Line Items] |  |  |
Debt Instrument, Repurchase Amount | $ 288,400 | $ 288,400 |
Convertible Debt [Member] |  |  |
Class of Stock [Line Items] |  |  |
Repayments of Convertible Debt | $ 191,500 |  |
Debt Conversion, Converted Instrument, Shares Issued | 17.0 |  |
Convertible Debt [Member] | Convertible Senior Notes Due 2017 |  |  |
Class of Stock [Line Items] |  |  |
Debt Instrument, Repurchase Amount | $ 30,100 | 30,100 |
Convertible Debt [Member] | Convertible Senior Notes Due 2019 |  |  |
Class of Stock [Line Items] |  |  |
Debt Instrument, Repurchase Amount | $ 288,400 | $ 288,400 |

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- Definition Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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