Employee Benefit Plans - Components of Net Periodic Benefit Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan Disclosure
Interest cost	$ 4,817	$ 4,624	$ 3,391
Amortization of net gain	827	1,125	1,356
Pension settlement charge	1,156	1,714	(201)
Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure
Service cost	0	0	0
Interest cost	42	39	27
Amortization of net gain	0	0	11
Pension settlement charge	$ 42	$ 39	$ 38