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Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2016
Debt Disclosure [Abstract]  
Long-Term Debt
Long-term debt consists of the following (in thousands):
 
June 30,
2016
 
December 31,
2015
Unsecured notes
$
675,000

 
$
250,000

Term loan

 
108,750

Credit Agreement
101,250

 

Unamortized discounts and issuance costs
(6,286
)
 
(306
)
 
$
769,964

 
$
358,444

Current portion, long-term debt
$
264,924

 
$
264,694

Long-term debt
$
505,040

 
$
93,750