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Debt (Tables)
12 Months Ended
Dec. 31, 2011
Debt Disclosure [Abstract]  
Schedule of Debt
Long-term Debt consisted of the following: 
 
 
December 31,
(in thousands)
 
2011
 
2010
Revolving credit facility
 
$
120,000

 
$

Long-term Debt
 
$
120,000

 
$