Pension Plans and Other Postretirement Benefit Plans Schedule of Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss), net	$ 0	$ (404)	$ (1,589)
Curtailments	0	156	0
Settlement loss	0	870	67
Other Comprehensive Income (Loss) [Member] | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss), net	12	(5,953)	(1,712)
Recognized actuarial loss	1,971	1,599	1,872
Recognized prior service credit	0	0	0
Curtailments	0	91	0
Settlement loss	0	870	67
Total recognized in other comprehensive income (loss)	1,983	(3,393)	227
Other Comprehensive Income (Loss) [Member] | Postretirement Plans
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss), net	744	381	123
Recognized actuarial loss	7	98	6
Recognized prior service credit	0	0	(3)
Curtailments	0	65	0
Settlement loss	0	0	0
Total recognized in other comprehensive income (loss)	$ 751	$ 544	$ 126