Discontinued Operations - Components of Pension Expense (Detail) - Life Sciences and Engineering [Member] - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Type [Extensible List]	us-gaap:PensionPlansDefinedBenefitMember	us-gaap:PensionPlansDefinedBenefitMember
Interest Cost	$ 13	$ 11
Expected return on assets	(11)	(11)
Amortization of prior service cost	0	11
Net pension expense	$ 2	$ 11