Income Taxes (Earnings Before Income Taxes by Geographical Area) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
United States	$ 244,320	$ 122,389	$ 99,427
Other countries	209,651	153,379	100,471
Earnings before income taxes	$ 453,971	$ 275,768	$ 199,898

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