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Convertible Notes
9 Months Ended
Sep. 30, 2012
Debt Disclosure [Abstract]  
Convertible Notes
15. Convertible Notes
The Company’s convertible notes are shown in the following table:
(Dollars in thousands)
 
As of September 30, 2012
 
As of December 31, 2011
5% Convertible Senior Notes due 2014 (the “2014 Notes”)
 
$
172,500

 
$
172,500

Unamortized discount
 
(28,625
)
 
(39,007
)
Total convertible notes
 
$
143,875

 
$
133,493

Less current portion
 

 

Total long-term convertible notes
 
$
143,875

 
$
133,493



Interest expense related to the notes for the three and nine months ended September 30, 2012 and 2011 was as follows:
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2012
 
2011
 
2012
 
2011
 
(In thousands)
2014 Notes coupon interest at a rate of 5%
$
2,156

 
$
2,156

 
$
6,469

 
$
6,468

2014 Notes amortization of discount and debt issuance costs at an additional effective interest rate of 11.7%
3,789

 
3,254

 
10,856

 
9,326

Total interest expense on convertible notes
$
5,945

 
$
5,410

 
$
17,325

 
$
15,794