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Note 11 - Long-Term Debt (Tables)
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9 Months Ended |
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Sep. 30, 2014
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| Long-term Debt, Unclassified [Abstract] |
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| Schedule of Long-term Debt Instruments [Table Text Block] |
The carrying value of our long-term debt at September 30, 2014 and December 31, 2013 was as follows: | | | | | | | | | | (In thousands) | | September 30,
2014 | | December 31,
2013 | 5.375% | Senior Notes due 2015 | $ | — |
| | $ | 54,481 |
| 9.000% | Senior Notes due 2017 | 192,348 |
| | 191,611 |
| 3.000% | Convertible Senior Notes due 2017 (1) | 369,737 |
| | 353,798 |
| 2.250% | Convertible Senior Notes due 2019 (2) | 338,984 |
| | 330,182 |
| 5.500% | Senior Notes due 2019 | 300,000 |
| | — |
| | Total long-term debt | $ | 1,201,069 |
| | $ | 930,072 |
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_______________________ | | (1) | The principal amount of these notes is $450 million. |
| | (2) | The principal amount of these notes is $400 million. |
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| Schedule of Liability and Equity Components of Convertible Debt [Table Text Block] |
The convertible notes are reflected on our condensed consolidated balance sheets as follows: | | | | | | | | | | | | | | | | | | | Convertible Senior Notes due 2017 | | Convertible Senior Notes due 2019 | | (In thousands) | September 30,
2014 | | December 31,
2013 | | September 30,
2014 | | December 31,
2013 | | Liability component: | | | | | | | | | Principal | $ | 450,000 |
| | $ | 450,000 |
| | $ | 400,000 |
| | $ | 400,000 |
| | Less: debt discount, net (1) | (80,263 | ) | | (96,202 | ) | | (61,015 | ) | | (69,818 | ) | | Net carrying amount | $ | 369,737 |
| | $ | 353,798 |
| | $ | 338,985 |
| | $ | 330,182 |
| | | | | | | | | | | Equity component (net of tax impact) (2) | $ | 65,679 |
| | $ | 65,679 |
| | $ | 77,026 |
| (3) | $ | 77,026 |
| (3) |
__________________ | | (1) | Included within long-term debt and is being amortized over the life of the convertible notes. |
| | (2) | Amount included within additional paid-in capital, net of the capped call transactions (Convertible Senior Notes due 2017) and related issuance costs (Convertible Senior Notes due 2017 and 2019). |
| | (3) | There was no net tax impact recorded in equity related to the Convertible Senior Notes due 2019, as a result of our full valuation allowance. |
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| Schedule of Interest Expense Recognized Related to Convertible Debt [Table Text Block] |
The following tables set forth total interest expense recognized related to the convertible notes for the periods indicated: | | | | | | | | | | | | | | | | |
| Convertible Senior Notes due 2017 |
| Three Months Ended September 30, |
| Nine Months Ended September 30, | ($ in thousands) | 2014 |
| 2013 |
| 2014 |
| 2013 | Contractual interest expense | $ | 3,375 |
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| $ | 3,375 |
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| $ | 10,125 |
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| $ | 10,125 |
| Amortization of debt issuance costs | 308 |
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| 291 |
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| 912 |
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| 861 |
| Amortization of debt discount | 5,441 |
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| 4,943 |
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| 15,939 |
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| 14,481 |
| Total interest expense | $ | 9,124 |
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| $ | 8,609 |
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| $ | 26,976 |
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| $ | 25,467 |
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| Effective interest rate of the liability component | 9.75 | % |
| 9.75 | % |
| 9.75 | % |
| 9.75 | % |
| | | | | | | | | | | | | | | | | | Convertible Senior Notes due 2019 | | Three Months Ended September 30, | | Nine Months Ended September 30, | ($ in thousands) | 2014 | | 2013 | | 2014 | | 2013 | Contractual interest expense | $ | 2,250 |
| | $ | 2,250 |
| | $ | 6,750 |
| | $ | 5,175 |
| Amortization of debt issuance costs | 322 |
| | 311 |
| | 957 |
| | 711 |
| Amortization of debt discount | 2,980 |
| | 2,801 |
| | 8,803 |
| | 6,378 |
| Total interest expense | $ | 5,552 |
| | $ | 5,362 |
| | $ | 16,510 |
| | $ | 12,264 |
| | | | | | | | | Effective interest rate of the liability component | 6.25 | % | | 6.25 | % | | 6.25 | % | | 6.25 | % |
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