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Long-Term Debt and Lines of Credit (Tables)
 9 Months Ended
Jan. 31, 2016
Debt Disclosure [Abstract]  
Summary of Long-Term Debt
A summary of long-term debt follows:
                   
(dollars in thousands)
  
January 31, 2016
    
February 1, 2015
    
May 3, 2015
  
Unsecured senior term notes
   $ -     $ 2,200     $ 2,200  
Current maturities of long-term debt
     -       (2,200 )     (2,200 )
Long-term debt, less current maturities
                        
 of long-term debt
   $ -     $ -     $ -