Income Taxes (Deferred Tax Assets and Liabilities Included in Consolidated Financials) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Sep. 30, 2019
Deferred Tax Assets
Other noncurrent assets	$ 115.1	$ 115.2
Deferred Tax Liabilities
Deferred income taxes	962.6	793.8
Net Deferred Income Tax Liability	$ 847.5	$ 678.6

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

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-Publisher FASB
-Name Accounting Standards Codification
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