Cash Flow Information
 9 Months Ended
Jan. 29, 2017
Supplemental Cash Flow Elements [Abstract]  
Cash Flow Information
10.  Cash Flow Information

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
  
 
Interest costs charged to operations were $97,000 and $58,000 for the nine months ended January 29, 2017 and January 31, 2016, respectively.
 
Interest costs of $97,000 and $58,000 for the construction of qualifying fixed assets were capitalized and will be amortized over the related assets’ useful lives for the nine months ended January 29, 2017 and January 31, 2016, respectively.