Pension Plans and Other Postretirement Benefit Plans Schedule of Changes in Benefit Obligation (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2022 USD ($) retirementPlan	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Pension Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of period	$ 221,007	$ 224,633
Service cost	491	500	$ 579
Interest cost	4,756	4,412	6,674
Actuarial loss (gain) (a)	(42,115)	1,793
Benefits paid	(8,540)	(6,286)
Curtailments	0	(91)
Plan settlements paid	0	(3,777)
Other	0	(177)
Benefit obligation at end of period	$ 175,599	221,007	224,633
Pension Plans | Cash Balance Pension Plan
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Number of Plans | retirementPlan	2
Pension Plans | Excess Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Number of Plans | retirementPlan	2
Pension Plans | Union Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Number of Plans | retirementPlan	2
Pension Plans | Welfare Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Number of Plans | retirementPlan	2
Postretirement Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of period	$ 5,013	5,700
Service cost	59	81	96
Interest cost	73	78	168
Actuarial loss (gain) (a)	(745)	(381)
Benefits paid	(339)	(399)
Curtailments	0	0
Plan settlements paid	0	0
Other	0	(66)
Benefit obligation at end of period	$ 4,061	$ 5,013	$ 5,700