Discontinued Operations - Components of Pension Expense (Detail) - Life Sciences and Engineering [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Interest Cost	$ 9	$ 11	$ 18	$ 22
Expected return on assets	(12)	(9)	(25)	(18)
Amortization of prior service cost	0	0	0	0
Net pension (income) expense	$ (3)	$ 2	$ (7)	$ 4