Segment and Geographic Information - Reconciliation of Reportable Segment Operating Income (Loss) to Corresponding Consolidated Amounts (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 132,735	$ 129,087	$ 417,931	$ 376,764
Amortization of other intangible assets	7,600	9,600	23,400	27,900
Restructuring charges	25		319	53
Tariff adjustment			(486)	5,414
Operating income (loss)	(5,073)	(883)	(10,106)	(9,847)
Interest income	6,822	409	9,933	503
Interest expense	(2,101)	(477)	(4,111)	(1,485)
Loss on extinguishment of debt			(632)
Other income (expenses), net	630	(1,651)	(1,617)	(263)
Income (loss) before income taxes	278	(2,602)	(6,533)	(11,092)
Completed Technology
Segment Reporting Information [Line Items]
Amortization of other intangible assets	1,810	2,173	5,424	6,200
Acquired Intangible Assets
Segment Reporting Information [Line Items]
Amortization of other intangible assets	5,745	7,396	18,064	21,657
Life Sciences Products
Segment Reporting Information [Line Items]
Total revenue	47,369	48,625	150,861	146,520
Operating income (loss)	2,216	5,060	11,895	16,492
Life Sciences Services
Segment Reporting Information [Line Items]
Total revenue	85,366	80,462	267,070	230,244
Operating income (loss)	2,251	5,774	14,997	18,316
Operating Segments
Segment Reporting Information [Line Items]
Total revenue	132,735	129,087	417,931	376,764
Segment Reconciling Items
Segment Reporting Information [Line Items]
Operating income (loss)	4,467	10,834	26,892	34,808
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Other unallocated corporate expense (income)	$ 1,960	$ 2,148	$ 13,677	$ 11,331