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Note B - Summary of Significant Accounting Policies - Sales (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Sales	$ 251,282	$ 196,684	$ 498,025	$ 359,483
Sales Used Autos [Member]
Sales	220,189	172,813	436,779	314,447
Wholesales Third Party [Member]
Sales	11,441	9,283	23,736	16,232
Service Contract Sales [Member]
Sales	11,455	7,969	21,617	15,843
Payment Protection Plan Revenue [Member]
Sales	$ 8,197	$ 6,619	$ 15,893	$ 12,961

X

- Definition

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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