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Note B - Summary of Significant Accounting Policies (Details) (USD $) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Oct. 31, 2014 | Oct. 31, 2013 | Apr. 30, 2014 | Apr. 30, 2013
Note B - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Number of Reportable Segments | 1 |  |  |
Line of Credit Facility, Distribution Limitations, Maximum Aggregate Amount of Stock Repurchases | $ 40,000,000 |  |  |
Line of Credit Facility, Distribution Limitations, Percentage of Sum of Borrowing Bases | 30.00% |  |  |
Line of Credit Facility, Distribution Limitations, Percentage of Consolidated Net income | 75.00% |  |  |
Line of Credit Facility, Distribution Limitations, Minimum Percentage of Aggregate Funds Available | 12.50% |  |  |
Interest Earned on Financing Receivables | 1,800,000 |  | 1,800,000 |
Finance Receivables, Customer Payments Due Either Weekly or Bi-Weekly, Percentage | 75.00% |  |  |
Financing Receivable, Greater Than or Equal to 30 Days Past Due, Percent of Portfolio | 4.40% | 4.70% |  |
Financing Receivable, Average Days Past Due at Charge Off | 68 days |  |  |
Percentage of Receivable Charge Offs | 50.00% |  |  |
Average Age of Account At Charge-Off Date | 11 months 12 days |  |  |
Financing Receivable, Allowance for Credit Losses | 92,460,000 | 80,699,000 | 86,033,000 | 75,345,000
Accounts Receivable Allowance for Credit Losses Percentage | 23.80% |  | 23.50% |
Finance Receivable Principal Balance | 411,500,000 | 388,799,000 | 379,332,000 |
Goodwill, Impairment Loss | 0 |  | 0 |
Income Tax Examination, Penalties and Interest Accrued | 0 |  | 0 |
Late Fee Income Generated by Servicing Financial Assets, Amount | 1,100,000 | 1,100,000 |  |
Financing Receivable Recorded Investment Greater Than 90 Days Past Due | 1,967,000 | 1,927,000 | 1,155,000 |
Stock Repurchased During Period, Shares (in Shares) | 255,208 | 12,620 |  |
Stock Repurchased During Period, Value | 10,300,000 | 531,000 |  |
Payment Protection Plan [Member] |  |  |  |
Note B - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Deferred Revenue | 14,376,000 |  | 13,233,000 |
Service Contract [Member] |  |  |  |
Note B - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Deferred Revenue | $ 8,635,000 |  | $ 4,234,000 |
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | ARKANSAS |  |  |  |
Note B - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Concentration Risk, Percentage | 32.00% |  |  |
Minimum [Member] |  |  |  |
Note B - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Financing Receivable Interest Rate | 11.00% |  |  |
Allowance for Credit Losses Primary Factor, Units Repossessed or Charged-off Evaluation Period | 1 year |  |  |
Maximum [Member] |  |  |  |
Note B - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Financing Receivable Interest Rate | 19.00% |  |  |
Allowance for Credit Losses Primary Factor, Units Repossessed or Charged-off Evaluation Period | 5 years |  |  |

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- Definition All amounts that are due to the servicer of a financial asset as a result of the debt holder not meeting the monthly payment terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122596-111746 + Details
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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