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Cash Flow Information (Tables)
9 Months Ended
Jan. 29, 2017
Supplemental Cash Flow Elements [Abstract]  
Schedule of Interest and Income Taxes Paid
Interest and income taxes paid are as follows:
             
   
Nine months ended
 
(dollars in thousands)
 
January 29, 2017
   
January 31, 2016
 
Interest
 
$
110
   
$
95
 
Income taxes
   
4,704
     
4,921