Quarterly report pursuant to Section 13 or 15(d)

Fair Value Disclosures (Tables)

v2.4.0.8
Fair Value Disclosures (Tables)
6 Months Ended
Jun. 30, 2013
Fair Value Disclosures [Abstract]  
Fair value of our fixed-rate debt
 
 
 
June 30, 2013
 
December 31, 2012
 
Hierarchy
Aggregate
Principal
 
Estimated
Fair Value
 
Aggregate
Principal
 
Estimated
Fair Value
7.731% senior subordinated notes
Level 2
 
N/A

 
N/A

 
$
99,825

 
$
102,950

4.50% senior notes
Level 2
 
$
175,000

 
$
173,250

 
N/A

 
N/A

7.15% senior notes
Level 2
 
$
200,000

 
$
220,000

 
$
200,000

 
$
220,760

7.00% senior notes
Level 2
 
$
300,000

 
$
329,250

 
$
300,000

 
$
328,500

1.875% convertible senior notes
Level 2
 
$
126,500

 
$
137,885

 
$
126,500

 
$
127,449