Geographic, product and industry information - By Product (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Revenue	$ 63,740	$ 56,113	$ 178,163	$ 146,259
Synthetic genes
Segment Reporting Information [Line Items]
Revenue	19,302	17,400	53,488	45,088
Oligo pools
Segment Reporting Information [Line Items]
Revenue	3,735	3,259	10,749	8,755
DNA libraries
Segment Reporting Information [Line Items]
Revenue	2,880	1,422	7,542	4,650
Antibody discovery
Segment Reporting Information [Line Items]
Revenue	4,580	6,242	19,785	17,643
NGS tools
Segment Reporting Information [Line Items]
Revenue	$ 33,243	$ 27,790	$ 86,599	$ 70,123