Provision for Income Taxes (Schedule of Effective Income Tax Rates) (Details) |
12 Months Ended | |
|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Income tax rate reconciliation | ||
| U.S. federal statutory income tax rate | 21.00% | 21.00% |
| Increase (reduction) in rate resulting from: | ||
| State franchise tax, net of federal income tax benefit | (0.10%) | 0.20% |
| ESOP cost versus Fair Market Value | 1.60% | 1.30% |
| Dividend on allocated ESOP shares | (14.50%) | (3.00%) |
| Stock-based compensation | 3.00% | 0.20% |
| Foreign Derived Intangible Income Deduction | (0.20%) | (0.30%) |
| Other | 0.30% | (0.70%) |
| Effective tax rate | 11.10% | 18.70% |