Note B - Significant Accounting Policies (Details) (USD $)	6 Months Ended		12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Apr. 30, 2013
Note B - Significant Accounting Policies (Details) [Line Items]
Number of Reportable Segments	1
Concentration Risk, Percentage	36.00%
Dividend Restrictions, Maximum Aggregate Amount of Stock Repurchases (in Dollars)	$ 40,000,000
Dividend Restrictions, Percentage of Sum of Borrowing Bases	25.00%
Dividend Restrictions, Percentage of Consolidated Net income	75.00%
Dividend Restrictions, Minimum Percentage of Aggregate Funds Available	12.50%
Finance Receivables Interest Rate Range Start	11.00%
Finance Receivable Interest Rate Range End	19.00%
Interest Earned On Financing Receivables (in Dollars)	2,000,000		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	4.70%	4.30%
Financing Receivable, Average Days Past Due At Charge Off	65 days
Average Age of Account At Charge-Off Date	11 months
Goodwill, Impairment Loss (in Dollars)	0		0
Late Fee Income Generated by Servicing Financial Assets, Amount (in Dollars)	1,100,000	935,000
Financing Receivable Recorded Investment Greater Than 90 Days Past Due (in Dollars)	1,927,000	924,000	1,964,000
Stock Repurchased During Period, Shares (in Shares)	12,620	335,154
Stock Repurchased During Period, Value (in Dollars)	$ 531,000	$ 14,700,000
Furniture, fixtures, and equipment [Member] | Minimum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Furniture, fixtures, and equipment [Member] | Maximum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Leasehold Improvements [Member] | Minimum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Leasehold Improvements [Member] | Maximum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	15 years
Building and Building Improvements [Member] | Minimum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	18 years
Building and Building Improvements [Member] | Maximum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	39 years