Note B - Summary of Significant Accounting Policies - Sales (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Sales	$ 285,774	$ 300,400	$ 573,022	$ 610,737
Sales Used Autos [Member]
Sales	237,787	261,335	489,092	534,803
Wholesales Third Party [Member]
Sales	9,674	11,787	19,370	22,992
Service Contract Sales [Member]
Sales	29,548	17,649	46,620	33,996
Payment Protection Plan Revenue [Member]
Sales	$ 8,765	$ 9,629	$ 17,940	$ 18,946

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details