Note K - Supplemental Cash Flow Information - Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Interest paid	$ 15,306	$ 7,294
Income taxes paid, net	135	199
Inventory acquired in repossession and accident protection plan claims	31,849	29,358
Net settlement option exercises	1,646	0
Right-of-use assets obtained in exchange for operating lease liabilities	0	419
Right-of-use assets obtained in exchange for operating lease liabilities through acquisitions	$ 0	$ 0