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Other Income (Expense), Net
 6 Months Ended
Jul. 31, 2014
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 July 31,
 
Six months ended July 31,
 
2014
 
2013
 
2014
 
2013
Interest income
$
397

 
$
530

 
$
944

 
$
1,155

Foreign currency exchange loss
(193
)
 
(494
)
 
(713
)
 
(1,869
)
Other, net
(308
)
 
(308
)
 
(593
)
 
(517
)
Other income (expense), net
$
(104
)
 
$
(272
)
 
$
(362
)
 
$
(1,231
)