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Other Long-Term Liabilities
 6 Months Ended
Jun. 30, 2015
Other Liabilities Disclosure [Abstract]  
Other Long-Term Liabilities
Other Long-Term Liabilities
Other long-term liabilities consisted of the following (in thousands):
 
June 30, 2015
 
December 31, 2014
Deferred compensation plan
$
23,756

 
$
22,425

Supplemental executive retirement plan
11,050

 
10,197

Other
4,427

 
3,834

 
$
39,233

 
$
36,456