Pension Plans and Other Postretirement Benefit Plans Schedule of Changes in Plan Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of period	$ 169,882
Fair value of plan assets at end of period	127,734	$ 169,882
Pension Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of period	169,882	176,364
Actual return on plan assets	(35,259)	1,824
Employer contributions	400	1,703
Benefits paid	(7,289)	(6,285)
Plan settlements paid	0	(3,724)
Fair value of plan assets at end of period	127,734	169,882
Postretirement Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of period	0
Actual return on plan assets	0	0
Employer contributions	0	0
Benefits paid	0	0
Plan settlements paid	0	0
Fair value of plan assets at end of period	$ 0	$ 0