Quarterly report pursuant to Section 13 or 15(d)

Senior, Senior Subordinated, Convertible Senior Notes (Tables)

v2.4.0.6
Senior, Senior Subordinated, Convertible Senior Notes (Tables)
 3 Months Ended
Mar. 31, 2013
Debt Disclosure [Abstract]  
Components of senior and senior subordinated notes
 
At March 31, 2013
 
At December 31, 2012
7.731% senior subordinated notes due 2017
$
83,125

 
$
99,825

4.50% senior notes due 2018
175,000

 
—

7.15% senior notes due 2020. At March 31, 2013 and December 31, 2012, there was approximately $3,406 and $3,528 in unamortized discount, respectively
196,594

 
196,472

7.00% senior notes due 2022
300,000

 
300,000

1.875% convertible senior notes due 2032
126,500

 
126,500

$125 million unsecured revolving credit facility
—

 
—

 
$
881,219

 
$
722,797