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Note F - Debt Facilities (Tables)
12 Months Ended
Apr. 30, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
(In thousands)   2020   2019
         
Revolving lines of credit   $
215,831
    $
152,440
 
Notes payable    
79
     
194
 
Finance lease    
445
     
839
 
Debt issuance costs    
(787
)    
(555
)
                 
Debt facilities   $
215,568
    $
152,918