Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands		Sep. 30, 2024	Sep. 30, 2023
Financial assets:
Cash equivalents	[1]	$ 48,509	$ 72,754
Convertible note			$ 2,000
Derivative Asset Statement of Financial Position Extensible Enumeration		Other assets	Other assets
Financial assets, fair value		$ 49,711	$ 82,094
Financial liabilities:
Financial liabilities, fair value		$ 4,166	$ 3,158
Derivative Liability Statement Of Financial Position Extensible Enumeration		Other liabilities	Other liabilities
Forward Contracts
Financial assets:
Foreign currency contract, asset		$ 1,202	$ 7,340
Financial liabilities:
Foreign currency contracts, liability		4,166	3,158
Level 1
Financial assets:
Cash equivalents	[1]	48,509	72,754
Convertible note			0
Financial assets, fair value		48,509	72,754
Financial liabilities:
Financial liabilities, fair value		0	0
Level 1 | Forward Contracts
Financial assets:
Foreign currency contract, asset		0	0
Financial liabilities:
Foreign currency contracts, liability		0	0
Level 2
Financial assets:
Cash equivalents	[1]	0	0
Convertible note			0
Financial assets, fair value		1,202	7,340
Financial liabilities:
Financial liabilities, fair value		4,166	3,158
Level 2 | Forward Contracts
Financial assets:
Foreign currency contract, asset		1,202	7,340
Financial liabilities:
Foreign currency contracts, liability		4,166	3,158
Level 3
Financial assets:
Cash equivalents	[1]	0	0
Convertible note			2,000
Financial assets, fair value		0	2,000
Financial liabilities:
Financial liabilities, fair value		0	0
Level 3 | Forward Contracts
Financial assets:
Foreign currency contract, asset		0	0
Financial liabilities:
Foreign currency contracts, liability		$ 0	$ 0

[1] Money market funds and time deposits.