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Note K - Supplemental Cash Flow Information - Supplemental Cash Flow Disclosures (Details) - USD ($)
$ in Thousands
3 Months Ended
Jul. 31, 2017
Jul. 31, 2016
Supplemental disclosures:    
Interest paid $ 1,172 $ 944
Income taxes paid, net 147 451
Non-cash transactions:    
Inventory acquired in repossession and payment protection plan claims 9,096 8,569
Loss accrued on disposal of property and equipment $ 400