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Other Income (Expense), Net
 3 Months Ended
Apr. 30, 2012
Notes To Financial Statements [Abstract]  
Other Income (Expense), Net
Other Income (Expense), Net—Other income (expense), net was comprised of the following:

Three months ended April 30,
2012
 
2011
Interest income
$
475

 
$
534

Foreign currency exchange loss
(215
)
 
(651
)
Other, net
(177
)
 
(358
)
Other income (expense), net
$
83

 
$
(475
)