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Note G - Employee Benefit Plans (Details) (USD $) | 12 Months Ended | 0 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 Large-cap Funds [Member] | Jun. 30, 2014 Mid-cap Funds [Member] | Jun. 30, 2014 Emerging Market Equity Funds [Member] | Jun. 30, 2014 International Equity Funds [Member] | Jun. 30, 2014 Short-term Fixed Income Funds [Member] | Jun. 30, 2014 High-yield Fixed Income Funds [Member] | Jun. 30, 2014 Intermediate Fixed Income Funds [Member] | Jun. 30, 2014 REIT and MPL Funds [Member] | Jun. 30, 2014 International Emerging Markets Funds [Member] | Jan. 01, 2004 First Contributions [Member] | Jan. 01, 2004 Next Contributions [Member]
Note G - Employee Benefit Plans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match |  |  |  |  |  |  |  |  |  |  |  | 100.00% | 50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay |  |  |  |  |  |  |  |  |  |  |  | 3.00% | 2.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount (in Dollars) | $ 184,000 | $ 189,000 |  |  |  |  |  |  |  |  |  |  |
Health Insurance Plan Premium Expense (in Dollars) | 956,000 | 937,000 |  |  |  |  |  |  |  |  |  |  |
Number Of Years Compensation Used For Benefit Obligation Assumptions | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 4.30% | 4.80% |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year (in Dollars) | $ 8,000 |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan Equity Securities by Type, Percentage |  |  | 70.00% | 4.00% | 6.00% | 20.00% |  |  |  |  |  |  |
Defined Benefit Plan Debt Securities by Type, Percentage |  |  |  |  |  |  | 17.00% | 3.00% | 53.00% | 23.00% | 4.00% |  |

X
- Definition Percentage of debt securities by type of publicly traded funds. + References No definition available. + Details
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X
- Definition Percentage of equity securities by type of publicly traded funds. + References No definition available. + Details
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X
- Definition The expense in the period incurred with respect to providing health care benefits to employees. + References No definition available. + Details
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X
- Details
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- Definition Number Of Years Compensation Used For Benefit Obligation Assumptions + References No definition available. + Details
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X
- Definition Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation). + References No definition available. + Details
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X
- Definition The interest rate used to adjust for the time value of money for the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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