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Pension Plans and Other Postretirement Benefit Plan - Schedule of Amounts Recognized in Other Comprehensive Income (Loss) (Details) - Other Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Actuarial (loss) gain, net	$ (463)	$ 288	$ 3,318
Recognized actuarial loss (gain)	335	358	585
Settlement gain	0	(12)	0
Total recognized in other comprehensive (loss) income	(128)	634	3,903
Postretirement Plan
Defined Benefit Plan Disclosure [Line Items]
Actuarial (loss) gain, net	(60)	(292)	243
Recognized actuarial loss (gain)	(23)	(69)	(27)
Settlement gain	0	0	0
Total recognized in other comprehensive (loss) income	$ (83)	$ (361)	$ 216

X

- Definition

Amount, before tax, of increase (decrease) to other comprehensive income from settlement gain (loss) of defined benefit plan.

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Amount, before tax, after reclassification adjustment, of increase (decrease) in accumulated other comprehensive income from gain (loss) of defined benefit plan.

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Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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