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Note K - Supplemental Cash Flow Information (Tables)
9 Months Ended
Jan. 31, 2016
Notes Tables  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
  Nine Months Ended
January 31,
(in thousands)   2016   2015
Supplemental disclosures:                
Interest paid   $ 2,614     $ 2,151  
Income taxes paid, net     5,650       7,480  
                 
Non-cash transactions:                
Inventory acquired in repossession and payment protection plan claims     31,594       32,188  
Purchase of property and equipment using the issuance of debt     550       -