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Note B - Summary of Significant Accounting Policies - Sales (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2021	Jan. 31, 2020
Sales	$ 199,957	$ 163,253	$ 559,440	$ 481,070
Sales Used Autos [Member]
Sales	177,279	142,136	491,726	417,079
Wholesales Third Party [Member]
Sales	7,603	6,810	23,835	22,236
Service Contract Sales [Member]
Sales	8,240	7,983	24,083	23,283
Payment Protection Plan Revenue [Member]
Sales	$ 6,835	$ 6,324	$ 19,796	$ 18,472

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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