Balance sheet components - Schedule Of Property Plant And Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 171,218	$ 79,544
Less: Accumulated depreciation and amortization	(31,777)	(35,422)
Property, Plant and Equipment, Net, Total	139,441	44,122
Laboratory equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	62,285	48,439
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,332	2,195
Computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,815	2,977
Computer software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,693	3,899
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,371	5,066
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 87,723	$ 16,968

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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