Note C - Finance Receivables, Net - Changes in Finance Receivables (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Balance			$ 863,674	$ 632,270
Finance receivable originations			841,445	718,275
Finance receivable collections			(308,671)	(293,458)
Provision for credit losses	$ (85,650)	$ (61,646)	(250,719)	(167,987)
Losses on claims for accident protection plan			(17,717)	(14,748)
Inventory acquired in repossession and accident protection plan claims			(104,831)	(67,363)
Balance	$ 1,023,181	$ 806,989	$ 1,023,181	$ 806,989