Employee Benefit Plans - Net Periodic Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Jun. 30, 2024
Pension Plan
Components of net periodic benefit cost
Interest cost	$ 1,171	$ 1,204	$ 3,603	$ 3,612
Expected return on plan assets	(1,134)	(1,122)	(3,456)	(3,366)
Amortization of net loss (gain)	149	207	447	620
Net periodic benefit cost	186	289	$ 594	866
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%
Contributions to WCTPP
Weighted average assumptions used to determine benefit obligations
Contributions made by the Company to the multiemployer pension plans	354	272	$ 1,046	944
Contributions to All Other Plans
Weighted average assumptions used to determine benefit obligations
Contributions made by the Company to the multiemployer pension plans	$ 10	$ 9	$ 30	$ 27