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Debt (Tables)
 9 Months Ended
Sep. 30, 2013
Debt  
Schedule of carrying amount and fair value of Convertible Notes

The carrying amount and fair value of our convertible notes are as follows (in thousands):

 

 

 

September 30, 2013

 

December 31, 2012

 

 

 

Carrying
Amount

 

Fair Value

 

Carrying
Amount

 

Fair Value

 

Pfizer convertible subordinated note due 2014

 

$

—

 

$

—

 

$

9,033

 

$

13,573

 

4.75% convertible senior notes due 2015

 

187,136

 

955,974

 

322,043

 

798,040

 

 

 

$

187,136

 

$

955,974

 

$

331,076

 

$

811,613