Pension and Other Postretirement Benefits - Amounts Related to Other Postretirement Benefit Plans Recognized in Accumulated Other Comprehensive (Loss) Income (Details) - Other postretirement benefit plans [Member] - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Unrecognized Net Actuarial Losses	$ 1,897	$ 2,023
Unrecognized Net Prior Service Credits	(1,124)	(1,378)
Total	$ 773	$ 645