The interest expense components of the Company’s convertible notes are as follows: | | | | | | | | | | | | | | Years Ended December 31, | | 2012 | | 2011 | | 2010 | | (In thousands) | 2016 Notes: | | | | | | Amortization of the discount on the liability component (1) | $ | 5,993 |
| | $ | 3,740 |
| | $ | — |
| Cash interest related to the contractual interest coupon (2) | 3,154 |
| | 2,024 |
| | — |
| Total | $ | 9,147 |
| | $ | 5,764 |
| | $ | — |
| | | | | | | 2012 Notes: | | | | | | Amortization of the discount on the liability component (1) | $ | 2,527 |
| | $ | 6,850 |
| | $ | 6,401 |
| Cash interest related to the contractual interest coupon (2) | 1,378 |
| | 3,919 |
| | 3,919 |
| Total | $ | 3,905 |
| | $ | 10,769 |
| | $ | 10,320 |
| | | | | | | 2010 Notes: | | | | | | Amortization of the discount on the liability component | $ | — |
| | $ | — |
| | $ | 1,190 |
| Cash interest related to the contractual interest coupon | — |
| | — |
| | 830 |
| Total | $ | — |
| | $ | — |
| | $ | 2,020 |
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| | (1) | In 2012, the amortization of the discount on the liability component of the 2016 and 2012 Notes are presented net of capitalized interest of $1.1 million and $0.5 million, respectively. |
| | (2) | In 2012, the cash interest related to the contractual interest coupon on the 2016 and 2012 Notes are presented net of capitalized interest of $0.6 million and $0.3 million. |
|