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Long-Term Debt Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2015
Debt Disclosure [Abstract]  
Long-term debt
Long-term debt consists of the following (in thousands):
 
December 31,
 
2015
 
2014
Unsecured notes
$
250,000

 
$
250,000

Term loan
108,750

 
123,750

Unamortized discounts and issuance costs of unsecured notes
(306
)
 
(764
)
 
$
358,444

 
$
372,986

Current portion, long-term debt
$
264,694

 
$
15,000

Long-term debt
$
93,750

 
$
357,986