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Other Income (Expense), Net
 9 Months Ended
Oct. 31, 2013
Other Income and Expenses [Abstract]  
Other Income (Expense), Net
Other Income (Expense), Net—Other income (expense), net was comprised of the following:

 
Three months ended October 31,
 
Nine months ended October 31,
 
2013
 
2012
 
2013
 
2012
Interest income
$
681

 
$
458

 
$
1,836

 
$
1,407

Foreign currency exchange loss
(198
)
 
(243
)
 
(2,067
)
 
(1,059
)
Other, net
(131
)
 
(158
)
 
(648
)
 
(587
)
Other income (expense), net
$
352

 
$
57

 
$
(879
)
 
$
(239
)