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Other Income (Expense), Net (Tables)
 9 Months Ended
Sep. 30, 2013
Other Income and Expenses [Abstract]  
Schedule of Other Nonoperating Income (Expense)
Other income (expense), net consists of the following:
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2013
 
2012
 
2013
 
2012
 
(in thousands)
Foreign exchange gains (losses), net
$
(60
)
 
$
52

 
$
(474
)
 
$
(42
)
Other income (expense)
(24
)
 
8

 
104

 
(2
)
Other income (expense), net
$
(84
)
 
$
60

 
$
(370
)
 
$
(44
)