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Debt (Tables)
 12 Months Ended
Dec. 31, 2012
Debt Disclosure [Abstract]  
Schedule Of Debt
At December 31, 2012 and 2011, long-term debt consisted of the following:
 
 
December 31,
 
 
2012
 
2011
 
 
(In thousands)
8.625% Senior Notes
 
$
600,000

 
$
600,000

Unamortized discount for 8.625% Senior Notes
 
(4,849
)
 
(5,465
)
7.50% Senior Notes
 
300,000

 
—

4.375% Convertible Senior Notes
 
73,750

 
73,750

Unamortized discount for 4.375% Convertible Senior Notes
 
(1,093
)
 
(3,799
)
Senior Secured Revolving Credit Facility
 
—

 
47,000


 
$
967,808

 
$
711,486