Revenue Recognition - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Royalty income	$ 6,750	$ 6,330	$ 3,540
Revenues	333,018	317,896	253,667
Lease Elements [Member] | Product Concentration Risk [Member] | Revenues [Member] | Reagent Rental Arrangements [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 3,925	$ 3,710	$ 4,600