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Note K - Supplemental Cash Flow Information - Supplemental Cash Flow Disclosures (Details) - USD ($)
$ in Thousands
3 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Supplemental disclosures:    
Interest paid $ 1,965 $ 1,202
Income taxes paid (refunds received), net 78 (50)
Non-cash transactions:    
Inventory acquired in repossession and payment protection plan claims 11,671 11,153
Net settlement option exercises $ 489 $ 1,417