Pension Plans and Other Postretirement Benefit Plans Schedule of Amounts Recognized in Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Current liabilities (included in accrued employee related costs)	$ (1,534)	$ (1,502)
Non-current liabilities (included in defined benefit and other postretirement obligations)	(46,331)	(49,623)
Defined benefit plan, amounts for asset (liability) recognized in statement of financial position	(47,865)	(51,125)
Postretirement Plans
Defined Benefit Plan Disclosure [Line Items]
Current liabilities (included in accrued employee related costs)	(497)	(468)
Non-current liabilities (included in defined benefit and other postretirement obligations)	(3,564)	(4,545)
Defined benefit plan, amounts for asset (liability) recognized in statement of financial position	$ (4,061)	$ (5,013)