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Other Income (Expense), Net (Tables)
 3 Months Ended
Apr. 30, 2014
Other Income and Expenses [Abstract]  
Other income (expense), net
Other income (expense), net was comprised of the following:

 
Three months ended April 30,
 
2014
 
2013
Interest income
$
547

 
$
625

Foreign currency exchange loss
(520
)
 
(1,375
)
Other, net
(285
)
 
(209
)
Other income (expense), net
$
(258
)
 
$
(959
)