Income Taxes - Schedule of Net Deferred Tax Position (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Income Tax Disclosure [Abstract]
Total of tax jurisdictions with net deferred tax assets	$ 11,491	$ 14,801
Total of tax jurisdictions with net deferred tax liabilities	(149,020)	(169,118)
Net deferred tax liability	$ (137,529)	$ (154,317)