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Note F - Debt Facilities (Tables)
3 Months Ended
Jul. 31, 2019
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
(In thousands)   July 31, 2019   April 30, 2019
Revolving lines of credit   $
158,270
    $
152,440
 
Notes payable    
166
     
194
 
Capital lease    
743
     
839
 
Debt issuance costs    
(502
)    
(555
)
Debt facilities   $
158,677
    $
152,918