Income Taxes (Schedule of Provisions for Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Deferred:
Income tax provision (benefit)	$ 5.7	$ 7.0	$ 1.9	$ 15.0

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

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+ Details