Segment and Geographic Information - Reconciliation of Reportable Segment Operating Income (Loss) to Corresponding Consolidated Amounts (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 145,544	$ 129,535	$ 285,196	$ 247,677
Amortization of other intangible assets	7,900	9,400	15,900	18,300
Restructuring charges	122	92	295	53
Tariff adjustment	(486)	5,497	(486)	5,497
Operating income (loss)	(4,708)	(9,320)	(5,033)	(8,965)
Interest income	3,076	18	3,111	94
Interest expense	(1,555)	(452)	(2,010)	(1,008)
Loss on extinguishment of debt	(632)		(632)
Other income (expenses), net	(1,170)	108	(2,248)	1,389
(Loss) income before income taxes	(4,989)	(9,646)	(6,812)	(8,490)
Completed Technology
Segment Reporting Information [Line Items]
Amortization of other intangible assets	1,840	2,021	3,613	4,026
Acquired Intangible Assets
Segment Reporting Information [Line Items]
Amortization of other intangible assets	6,047	7,356	12,319	14,261
Life Sciences Products
Segment Reporting Information [Line Items]
Total revenue	53,615	52,355	103,487	97,899
Operating income (loss)	5,288	7,248	9,679	11,431
Life Sciences Services
Segment Reporting Information [Line Items]
Total revenue	91,929	77,180	181,709	149,778
Operating income (loss)	4,856	5,614	12,740	12,542
Operating Segments
Segment Reporting Information [Line Items]
Total revenue	145,544	129,535	285,196	247,677
Segment Reconciling Items
Segment Reporting Information [Line Items]
Operating income (loss)	10,144	12,862	22,419	23,973
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Other unallocated corporate expense (income)	$ 7,329	$ 7,216	$ 11,711	$ 9,101