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Reportable Segments and Geographic Information - Geographic Information (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Geographic Information
Long-Lived Assets	$ 4,624.3	$ 5,032.4	$ 5,200.1
Americas
Geographic Information
Long-Lived Assets	3,478.5	3,906.7	3,922.8
Europe, Middle East India, Africa
Geographic Information
Long-Lived Assets	803.5	763.6	872.3
Asia-Australia-Pacific
Geographic Information
Long-Lived Assets	$ 342.3	$ 362.1	$ 405.0

X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-41

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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