Property and Equipment Net - Components of Property and Equipment,Net (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Property Plant And Equipment [Line Items]
Finance leases	$ 3,428	$ 3,427
Subtotal	97,666	94,379
Less: accumulated depreciation	(67,527)	(60,366)
Total	30,139	34,013
Machinery and equipment
Property Plant And Equipment [Line Items]
Subtotal	$ 14,297	12,391
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	$ 65,748	62,151
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	$ 9,457	10,378
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	$ 3,646	3,736
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	$ 1,090	$ 2,296