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Note B - Summary of Significant Accounting Policies - Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2019
Sales	$ 808,065	$ 652,992	$ 586,508
Sales Used Autos [Member]
Sales	713,925	567,816	506,184
Wholesales Third Party [Member]
Sales	34,286	28,966	27,376
Service Contract Sales [Member]
Sales	33,028	31,480	30,243
Payment Protection Plan Revenue [Member]
Sales	$ 26,826	$ 24,730	$ 22,705

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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