Employee Benefit Plans - Net Periodic Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Pension Plan
Components of net periodic benefit cost
Interest cost	$ 1,216	$ 1,204
Expected return on plan assets	(1,161)	(1,122)
Amortization of net loss (gain)	149	207
Net periodic benefit cost	$ 204	$ 289
Weighted average assumptions used to determine benefit obligations
Discount rate	5.35%	5.05%
Expected long-term return on plan assets	7.00%	7.00%
Multiemployer Plan
Weighted average assumptions used to determine benefit obligations
Contributions made by the Company to the multiemployer pension plans	$ 371	$ 316
Other Postretirement Benefit Plan
Weighted average assumptions used to determine benefit obligations
Contributions made by the Company to the multiemployer pension plans	$ 10	$ 8