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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Income tax expense	$ 298.9	$ 351.5
Effective tax rate (percent)	23.60%	23.50%
Deferred tax assets net of DTL	$ 155.8		$ 159.0
Valuation allowance for deferred income taxes	$ 17.9		$ 17.9

X

- Definition

The unclassified net amount of deferred tax assets and liabilities as of the balance sheet date, before the valuation allowance.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

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-Publisher FASB
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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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

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