Property and Equipment Net - Components of Property and Equipment,Net (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Property Plant And Equipment [Line Items]
Finance leases	$ 3,427	$ 3,425
Subtotal	94,379	89,455
Less: accumulated depreciation	(60,366)	(51,748)
Total	34,013	37,707
Machinery and equipment
Property Plant And Equipment [Line Items]
Subtotal	$ 12,391	10,800
Machinery and equipment | Minimum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	3 years
Machinery and equipment | Maximum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	5 years
Computers, software and equipment
Property Plant And Equipment [Line Items]
Subtotal	$ 62,151	61,566
Computers, software and equipment | Minimum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	3 years
Computers, software and equipment | Maximum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	5 years
Leasehold improvements
Property Plant And Equipment [Line Items]
Subtotal	$ 10,378	10,110
Leasehold improvements | Minimum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	2 years
Leasehold improvements | Maximum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	15 years
Furniture and fixtures
Property Plant And Equipment [Line Items]
Subtotal	$ 3,736	3,554
Furniture and fixtures | Minimum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	5 years
Furniture and fixtures | Maximum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	7 years
Construction in progress
Property Plant And Equipment [Line Items]
Subtotal	$ 2,296