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v2.3.0.11

Convertible Notes (Tables) | 6 Months Ended
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Jun. 30, 2011
Convertible Notes |
Schedule of convertible notes |
(in thousands) |  | As of June 30, 2011 |  | As of December 31, 2010 |
5% Convertible Senior Notes due 2014 (the “2014 Notes”) |  | $ | 172,500 |  | $ | 172,500 |
Unamortized discount |  | (45,242 | ) | (51,000 | )
Total convertible notes |  | $ | 127,258 |  | $ | 121,500 |
Less current portion |  | — |  | — |
Total long-term convertible notes |  | $ | 127,258 |  | $ | 121,500 |
Schedule of interest expense on notes |
|  | Three Months Ended June 30, |  | Six Months Ended June 30, |
|  | 2011 |  | 2010 |  | 2011 |  | 2010 |
|  | (In thousands) |
2014 Notes coupon interest at a rate of 5% |  | $ | 2,156 |  | $ | 2,156 |  | $ | 4,312 |  | $ | 4,312 |
2014 Notes amortization of discount at an additional effective interest rate of 11.7% |  | 3,056 |  | 1,584 |  | 6,072 |  | 4,486 |
Zero Coupon Convertible Senior Notes due 2010 amortization of discount at an effective interest rate of 8.4% |  | — |  | — |  | — |  | 958 |
Total interest expense on convertible notes |  | $ | 5,212 |  | $ | 3,740 |  | $ | 10,384 |  | $ | 9,756

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