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Note F - Debt Facilities (Tables)
6 Months Ended
Oct. 31, 2018
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
(In thousands)   October 31, 2018   April 30, 2018
Revolving lines of credit   $
163,857
    $
151,380
 
Notes payable    
251
     
305
 
Capital lease    
983
     
1,117
 
Debt issuance costs    
(302
)    
(435
)
Debt facilities   $
164,789
    $
152,367