Employee Benefits - Components of Net Pension Expense for All Plans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 42	$ 40
Weighted-average assumptions:
Discount rate	2.80%	2.60%
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	42	40
Expected return on assets	(44)	(38)
Amortization of prior service cost	46	78
Settlement cost	0	0
Net pension expense	$ 44	$ 80
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