Note 13 - Retirement Plans (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Pension Plan [Member] | ||
| Defined Benefit Plan, Plan Assets, Contributions by Employer | $ 1,395 | $ 1,353 |
| Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $ 1,200 | |
| Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets | 1.50% | 1.50% |
| Employee Benefit Plan [Member] | ||
| Defined Benefit Plan, Plan Assets, Contributions by Employer | $ 1,700 | $ 2,200 |
| X | ||||||||||
- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|