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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Line Items]
Effective tax rate (as a percent)	21.00%	15.50%
Tax at federal statutory rate (as a percent)	21.00%
Tax rate changes		$ 16.1
Income tax credits and incentives	$ 8.6	21.9
Tax rate changes		16.1
Tax expense related to audit settlement		11.6
Tax expense related to Foreign residual income	8.5	$ 13.3
Gross book-tax differences from non-U.S. subsidiaries	1,300.0
Foreign
Income Tax Disclosure [Line Items]
Tax benefit related to the release of a valuation allowance on net operating losses	$ 21.9

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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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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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