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Investments (Tables)

6 Months Ended

Mar. 31, 2025

Investments [Abstract]

Summary of investments

Investments consisted of the following:

(in millions)						March 31, 2025						September 30, 2024
Investments, at fair value
Sponsored funds and separate accounts						$	278.0					$	509.1
Investments related to long-term incentive plans						258.2						271.6
Other equity and debt investments						100.2						57.3
Total investments, at fair value						636.4						838.0
Investments in equity method investees						1,178.7						1,219.7
Other investments						414.3						280.7
Total						$	2,229.4					$	2,338.4

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Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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