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Note B - Significant Accounting Policies (Details) - Sales (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2013 | Oct. 31, 2012 | Oct. 31, 2013 | Oct. 31, 2012
Revenue from External Customer [Line Items] |  |  |  |
Sales | $ 107,765 | $ 98,194 | $ 216,914 | $ 196,491
Sales - Used Autos [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Sales | 95,744 | 86,688 | 193,050 | 173,573
Wholesales - Third Party [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Sales | 4,760 | 4,818 | 9,223 | 9,653
Service Contract Sales [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Sales | 3,714 | 3,546 | 7,628 | 7,069
Payment Protection Plan Revenue [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Sales | $ 3,547 | $ 3,142 | $ 7,013 | $ 6,196

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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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