Income Taxes - Summary of Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Income before income taxes	$ 81,069	$ 103,566	$ 167,493	$ 158,942
Provision for income taxes	$ 17,565	$ 13,887	$ 28,954	$ 23,174
Effective income tax rate	22.00%	13.00%	17.00%	15.00%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details