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Note K - Supplemental Cash Flow Information - Supplemental Cash Flow Disclosures (Details) - USD ($)
$ in Thousands
6 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Supplemental disclosures:    
Interest paid $ 3,122 $ 2,496
Income taxes paid , net 4,109 6,080
Non-cash transactions:    
Inventory acquired in repossession and payment protection plan claims 24,348 20,096
Net settlement option exercises $ 2,359