Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Income tax provision	$ 12.3	$ 11.0	$ 12.7	$ 12.2
Earnings before income taxes	$ 41.3	$ 47.0	$ 39.6	$ 53.0
Effective tax rate	29.90%	23.40%	32.10%	23.00%

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

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+ Details