Note 18 - Employee Retirement Programs (Details Textual) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2021 |
|
| Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 100.00% | ||
| Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage | 100.00% | ||
| Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 2.7 | $ 2.6 | $ 2.7 |