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Note 10 - Long-Term Debt Schedule of Long Term Debt (Details) - USD ($) $ in Thousands, shares in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt |  | $ 1,224,892 | $ 1,224,892 |  | $ 1,224,892 |  | $ 1,192,299
Loss on Repurchase of Debt Instrument |  |  | $ 91,876 | $ 0 | $ 91,876 | $ 0 |
Senior Notes Due 2017 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 9.00% | 9.00% |  | 9.00% |  |
Long-term debt |  | $ 191,256 | $ 191,256 |  | $ 191,256 |  | 190,245
Convertible Senior Notes Due 2017 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Issuance Cost | [1] | $ (451) | $ (451) |  | $ (451) |  | (3,974)
Debt Instrument, Interest Rate, Stated Percentage |  | 3.00% | 3.00% |  | 3.00% |  |
Long-term debt |  | $ 51,917 | $ 51,917 |  | $ 51,917 |  | 371,336
Long-term debt, Gross |  | 60,914 | 60,914 |  | 60,914 |  | 450,000
Extinguishment of Debt, Amount |  |  | 389,100 |  |  |  |
Payments of Debt Extinguishment Costs |  |  | $ 126,800 |  |  |  |
Debt Conversion, Converted Instrument, Shares Issued |  |  | 28.4 |  |  |  |
Loss on Repurchase of Debt Instrument |  |  | $ 91,876 |  |  |  |
Induced Conversion of Convertible Debt Expense |  |  | 35,500 |  |  |  |
Losses on Extinguishment of Debt |  |  | 52,300 |  |  |  |
Write off of Deferred Debt Issuance Cost |  |  | 4,100 |  |  |  |
Convertible Debt, Termination of Capped Call Transaction, Total Consideration |  |  | $ 54,900 |  |  |  |
Convertible Debt, Termination of Capped Call Transaction, Number of Shares Received |  |  | 2.3 |  |  |  |
Convertible Debt, Termination of Capped Call Transaction, Total Cash Received |  |  | $ 12,000 |  |  |  |
Convertible Senior Notes Due 2019 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Issuance Cost | [1] | $ (5,219) | $ (5,219) |  | $ (5,219) |  | (5,878)
Debt Instrument, Interest Rate, Stated Percentage |  | 2.25% | 2.25% |  | 2.25% |  |
Long-term debt |  | $ 342,980 | $ 342,980 |  | $ 342,980 |  | 336,133
Long-term debt, Gross |  | $ 399,992 | $ 399,992 |  | $ 399,992 |  | 400,000
Senior Notes Due 2019 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.50% | 5.50% |  | 5.50% |  |
Long-term debt |  | $ 295,198 | $ 295,198 |  | $ 295,198 |  | 294,585
Senior Notes Due 2020 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.25% | 5.25% |  | 5.25% |  |
Long-term debt |  | $ 343,541 | $ 343,541 |  | $ 343,541 |  | 0
Long-term debt, Gross |  | 350,000 | $ 350,000 |  | $ 350,000 |  |
Proceeds from Issuance of Long-term Debt |  | $ 344,300 |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 100.00% |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.50% |  |  |  |  |
Percent of Stock With Ordinary Voting Rights That Company Must Retain In Order To Make Any Capital Stock Transactions Under Debt Covenant Agreement |  | 80.00% | 80.00% |  | 80.00% |  |
Total Long Term Debt [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt |  | $ 1,224,892 | $ 1,224,892 |  | $ 1,224,892 |  |
New Accounting Pronouncement, Early Adoption, Effect [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Issuance Cost |  |  |  |  |  |  | (17,627)
New Accounting Pronouncement, Early Adoption, Effect [Member] | Senior Notes Due 2017 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Issuance Cost |  |  |  |  |  |  | (2,360)
New Accounting Pronouncement, Early Adoption, Effect [Member] | Convertible Senior Notes Due 2017 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Issuance Cost |  |  |  |  |  |  | (3,974)
New Accounting Pronouncement, Early Adoption, Effect [Member] | Convertible Senior Notes Due 2019 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Issuance Cost |  |  |  |  |  |  | (5,878)
New Accounting Pronouncement, Early Adoption, Effect [Member] | Senior Notes Due 2019 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Issuance Cost |  |  |  |  |  |  | (5,415)
Scenario, Previously Reported [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  | 1,209,926
Scenario, Previously Reported [Member] | Senior Notes Due 2017 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  | 192,605
Scenario, Previously Reported [Member] | Convertible Senior Notes Due 2017 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  | 375,310
Scenario, Previously Reported [Member] | Convertible Senior Notes Due 2019 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  | 342,011
Scenario, Previously Reported [Member] | Senior Notes Due 2019 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  | $ 300,000
[1] | Included within long-term debt and is being amortized over the life of the convertible notes.

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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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