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INVESTMENTS - Details of Company Investments (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Equity investments:
Equity method investments	$ 805.8	$ 854.5
Other	29.5	14.3
Total investments	1,164.2	1,240.0
Seed capital
Equity investments:
Equity investments	203.4	151.6
Investments related to deferred compensation plans
Equity investments:
Equity investments	$ 125.5	$ 219.6

X

- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of investments classified as other.

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