Income Taxes - Schedule of Components of Income Tax (Benefit) and Effective Income Tax Rate (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income Tax Disclosure [Abstract]
(Loss) before income taxes	$ (20.4)	$ (14.6)
Income tax (benefit)	$ (5.2)	$ (4.2)
Effective income tax rate	25.50%	28.80%

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

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