Note K - Supplemental Cash Flow Information - Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Interest paid	$ 17,062	$ 15,306
Income taxes paid, net	1,297	135
Inventory acquired in repossession and accident protection plan claims	26,975	32,590
Net settlement option exercises	0	1,646
Right-of-use assets obtained in exchange for operating lease liabilities	384	0
Right-of-use assets obtained in exchange for operating lease liabilities through acquisitions	$ 7,433	$ 0