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OTHER INCOME (EXPENSE) , NET (Tables)
 6 Months Ended
Jun. 30, 2015
Other Income and Expenses [Abstract]  
Principal components of other income (expense), net
The principal components of other income (expense), net, are as follows (in thousands):
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2015
 
2014
 
2015
 
2014
Interest and investment income
$
12

 
$
36

 
$
26

 
$
57

Income tax (expense) benefit
(35
)
 
283

 
(119
)
 
171

Termination fee income, net
—

 
745

 
—

 
745

Total other income (expense), net
$
(23
)
 
$
1,064

 
$
(93
)
 
$
973