Reportable Segment and Major Customers Information - Pre-tax Earnings Table (Detail) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Operating (loss) income	$ (28,115)	$ 20,283
Corporate expenses	(36,693)	(4,571)
Interest income	3	1
Interest expense	(148)	(372)
Other, net	(837)	(161)
Consolidated earnings (loss) before income taxes	(29,097)	19,751
Operating Segments [Member]
Total operating income	8,578	24,854
Operating Segments [Member] \| Diagnostics [Member]
Operating (loss) income	3,160	(1,763)
Operating Segments [Member] \| Life Science [Member]
Operating (loss) income	5,383	26,602
Eliminations [Member]
Operating (loss) income	$ 35	$ 15

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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