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Interest Income and Other (Expense) Income, Net (Tables)
 3 Months Ended
Apr. 30, 2017
Other Income and Expenses [Abstract]  
Interest Income and Other (Expense) Income [Table Text Block]
Interest and other expense, net, consist of the following:
 
Fiscal Year Ended
(in thousands)
April 30, 2017
 
May 1, 2016
Interest income
$
94

 
$
27

Non-recoverable VAT tax
(132
)
 
(106
)
Foreign currency transaction (loss) gain
(486
)
 
92

Miscellaneous expense
(108
)
 
(58
)
Non-operating expense, net
$
(632
)
 
$
(45
)