Revenue Recognition - Summary of Disaggregation of Revenue by Reportable Segment and Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 111,231	$ 85,264	$ 199,572	$ 178,181
Revenue, % change	30.00%		12.00%
Diagnostics [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 41,103	31,949	$ 74,307	62,270
Revenue, % change	29.00%		19.00%
Diagnostics [Member] | Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 33,551	25,290	$ 60,164	48,824
Revenue, % change	33.00%		23.00%
Diagnostics [Member] | EMEA [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 7,113	6,071	$ 13,206	12,101
Revenue, % change	17.00%		9.00%
Diagnostics [Member] | ROW [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 439	588	$ 937	1,345
Revenue, % change	(25.00%)		(30.00%)
Life Science [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 70,128	53,315	$ 125,265	115,911
Revenue, % change	32.00%		8.00%
Life Science [Member] | Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 10,377	13,550	$ 18,514	32,296
Revenue, % change	(23.00%)		(43.00%)
Life Science [Member] | EMEA [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 33,246	21,773	$ 61,894	54,066
Revenue, % change	53.00%		14.00%
Life Science [Member] | ROW [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 26,505	$ 17,992	$ 44,857	$ 29,549
Revenue, % change	47.00%		52.00%