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Note B - Summary of Significant Accounting Policies (Details) - Sales (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2014 | Oct. 31, 2013
Revenue from External Customer [Line Items] |  |  |  |
Sales | $ 119,435 | $ 107,765 | $ 232,894 | $ 216,914
Sales - Used Autos [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Sales | 106,914 | 95,744 | 208,037 | 193,050
Wholesales - Third Party [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Sales | 4,763 | 4,760 | 9,559 | 9,223
Service Contract Sales [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Sales | 3,988 | 3,714 | 7,983 | 7,628
Payment Protection Plan Revenue [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Sales | $ 3,770 | $ 3,547 | $ 7,315 | $ 7,013

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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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