Employee Benefit Plans - Net Periodic Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Pension Plan
Components of net periodic benefit cost
Interest cost	$ 1,216	$ 1,204	$ 2,432	$ 2,408
Expected return on plan assets	(1,161)	(1,122)	(2,322)	(2,244)
Amortization of net loss (gain)	149	207	298	413
Net periodic benefit cost	204	289	$ 408	$ 577
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	321	356	$ 692	$ 672
Other Postretirement Benefit Plan
Weighted average assumptions used to determine benefit obligations
Contributions made by the Company to the multiemployer pension plans	$ 10	$ 10	$ 20	$ 18