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Cash Flow Information
 9 Months Ended
Jan. 31, 2016
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 31, 2016
    
February 1, 2015
  
Interest
   $ 95     $ 180  
Income taxes
     4,921       3,005  

Interest costs charged to operations and incurred on our long-term debt and lines of credit were $58,000 and $191,000 for the nine months ended January 31, 2016 and February 1, 2015, respectively.

Interest costs of $58,000 and $141,000 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 31, 2016 and February 1, 2015, respectively.