Employee Benefits - Components of Net Pension Expense for All Plans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 52	$ 42
Weighted-average assumptions:
Discount rate	4.50%	2.80%
Expected return on plan assets	4.00%	4.00%
Rate of compensation increase	0.00%	0.00%
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	52	42
Expected return on assets	(43)	(44)
Amortization of prior service cost	0	46
Settlement cost	(8)	0
Net pension expense	$ 1	$ 44
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]		Loss from discontinued operations, net of income taxes	Loss from discontinued operations, net of income taxes