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INTEREST AND OTHER (EXPENSE) INCOME, NET (Tables)
 9 Months Ended
Sep. 30, 2012
Other Income and Expenses [Abstract]  
Summary of interest and other (expense) income, net
Interest and other income (expense), net, are summarized in the following table:
 
 
Three Months Ended
 
Nine Months Ended
 
September 30,
2012
 
September 30,
2011
 
September 30,
2012
 
September 30,
2011
 
(in thousands)
Interest and other income (expense)
$
439

 
$
(231
)
 
$
(1,089
)
 
$
(120
)
Interest expense
(971
)
 
(1,667
)
 
(3,162
)
 
(5,281
)
Foreign exchange transaction gains
685

 
1,634

 
464

 
6,319

Total
$
153

 
$
(264
)
 
$
(3,787
)
 
$
918