Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Expense from income taxes	$ 13,150	$ 10,804	$ 29,685	$ 22,633
Deferred tax assets, tax credit carryforwards	$ 8,900		$ 8,900