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Long-Term Debt Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2014
Debt Disclosure [Abstract]  
Long-term debt
Long-term debt consists of the following (in thousands):
 
December 31,
 
2014
 
2013
Unsecured notes
$
250,000

 
$
250,000

Term loan
123,750

 
138,750

Unamortized discounts and issuance costs of unsecured notes
(764
)
 
(1,222
)
 
$
372,986

 
$
387,528

Current portion, long-term debt
$
15,000

 
$
15,000

Long-term debt
$
357,986

 
$
372,528