Income Taxes - Schedule of Calculation of the Effective Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2025	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Income before income taxes	$ 62,474		$ 43,917		$ 101,911	$ 73,795
Income tax provision	16,144		10,429		20,818	16,222
Net income	$ 46,330	$ 34,763	$ 33,488	$ 24,085	$ 81,093	$ 57,573
Effective tax rate	26.00%		24.00%		20.00%	22.00%

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.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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