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Retirement Plans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2024
Retirement Plans [Abstract] |  |  |
Service period of participants not impacted by pension plan amendment | 15 years |  |
Age of plan participants not impacted by pension plan amendment | 50 years |  |
Service period of participants who are age fifty not impacted by pension plan amendment | 10 years |  |
Higman [Member] |  |  |
Retirement Plans [Abstract] |  |  |
Pension contributions | $ 200 |  |
Higman [Member] | Scenario Forecast [Member] |  |  |
Retirement Plans [Abstract] |  |  |
Pension contributions |  |  | $ 1,600
Pension Plan [Member] |  |  |
Components of net periodic benefit cost [Abstract] |  |  |
Service cost | 874 | $ 892 |
Interest cost | 4,320 | 4,606 |
Expected return on plan assets | (6,219) | (5,723) |
Amortization of actuarial (gain) loss | (473) | 0 |
Net periodic benefit cost | (1,498) | (225) |
SERP [Member] |  |  |
Components of net periodic benefit cost [Abstract] |  |  |
Service cost | 0 | 0 |
Interest cost | 10 | 11 |
Expected return on plan assets | 0 | 0 |
Amortization of actuarial (gain) loss | 8 | 6 |
Net periodic benefit cost | 18 | 17 |
Other Postretirement Benefits Plan [Member] |  |  |
Components of net periodic benefit cost [Abstract] |  |  |
Interest cost | 5 | 6 |
Amortization of actuarial (gain) loss | (70) | (86) |
Net periodic benefit cost | $ (65) | $ (80) |

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- Definition The service period of eligible participants of the employee pension plan who will be grandfathered and not be impacted by the amendment to the pension plan. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480535/715-20-45-3A Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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