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Note K - Supplemental Cash Flow Information (Tables)
9 Months Ended
Jan. 31, 2019
Notes Tables  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
    Nine Months Ended
January 31,
(in thousands)   2019   2018
Supplemental disclosures:                
Interest paid   $
5,191
    $
3,978
 
Income taxes paid , net    
7,050
     
7,534
 
                 
Non-cash transactions:                
Inventory acquired in repossession and payment protection plan claims    
37,406
     
30,312
 
Net settlement option exercises    
2,359
     
-
 
Property and equipment acquired via capital lease    
-
     
1,196