Discontinued Operations - Components of Pension Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Type [Extensible List]			us-gaap:PensionPlansDefinedBenefitMember	us-gaap:PensionPlansDefinedBenefitMember
Life Sciences and Engineering [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Type [Extensible List]	us-gaap:PensionPlansDefinedBenefitMember	us-gaap:PensionPlansDefinedBenefitMember
Interest Cost	$ 13	$ 11	$ 39	$ 32
Expected return on assets	(11)	(11)	(32)	(33)
Amortization of prior service cost	0	11	0	34
Net pension expense	$ 2	$ 11	$ 7	$ 33