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DEBT (Tables)
 3 Months Ended
Mar. 31, 2012
Debt Disclosure [Abstract]  
Components of debt
The components of debt are as follows:
 
 
March 31, 2012
 
December 31, 2011
 
Principal
 
Unamortized
Premium
(Discount)
 
Total
 
Principal
 
Unamortized
Premium
(Discount)
 
Total
 
(In Thousands)
Credit Facility
$
215,000

 
$
—

 
$
215,000

 
$
105,000

 
$
—

 
$
105,000

7% Senior Subordinated Notes due 2013
12

 
—

 
12

 
12

 
—

 
12

8½% Senior Notes due 2014
600,000

 
(10,938
)
 
589,062

 
600,000

 
(12,389
)
 
587,611

7¼% Senior Notes due 2019
1,000,000

 
407

 
1,000,407

 
1,000,000

 
421

 
1,000,421

Total long-term debt
$
1,815,012

 
$
(10,531
)
 
$
1,804,481

 
$
1,705,012

 
$
(11,968
)
 
$
1,693,044