Income Taxes - Schedule of Foreign and Domestic Income Components (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Domestic	$ 82,703	$ 26,209	$ 49,937
Foreign	32,905	25,424	17,776
Income before income taxes	$ 115,608	$ 51,633	$ 67,713