Supplemental Balance Sheet Information - Schedule of Carrying Amount of Goodwill by Segment (Detail) $ in Thousands	6 Months Ended
	Mar. 31, 2024 USD ($)
Goodwill [Line Items]
Goodwill as of September 30, 2022	$ 42,946
Currency translation adjustment	630
Goodwill as of March 31, 2024	43,576
In Vitro Diagnostics [Member]
Goodwill [Line Items]
Goodwill as of September 30, 2022	8,010
Goodwill as of March 31, 2024	8,010
Medical Device [Member]
Goodwill [Line Items]
Goodwill as of September 30, 2022	34,936
Currency translation adjustment	630
Goodwill as of March 31, 2024	$ 35,566