Goodwill and Acquired Client Relationships - Schedule of Changes in Goodwill (Details) $ in Millions	6 Months Ended
Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 2,648.7
Foreign currency translation	16.0
Other	(5.1)
Ending balance	$ 2,659.6

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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