Note L - Supplemental Cash Flow Information - Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Interest paid	$ 35,851	$ 30,467
Income taxes (credits) paid, net	(2,765)	1,299
Inventory acquired in repossession and accident protection plan claims	57,071	69,679
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