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Discontinued Operations - Components of Pension Expense (Detail) - Life Sciences and Engineering [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]        
Interest Cost $ 11 $ 13 $ 22 $ 26
Expected return on assets (9) (10) (18) (21)
Amortization of prior service cost 0 0 0 0
Net pension expense $ 2 $ 3 $ 4 $ 5