Accrued Compensation and Benefits - Components (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Accrued performance allocations and incentive fee-related compensation	$ 2,154.3	$ 2,038.2
Accrued bonuses	354.3	265.1
Employment-based contingent cash consideration	45.8	31.4
Other	129.8	161.8
Total	$ 2,684.2	$ 2,496.5

Accrued performance fees due to employees and advisors included in accrued compensation.

No definition available.

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- Definition

Carrying value of employment-based contingent cash consideration.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15(a))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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- References

No definition available.

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- Definition

Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.

+ References

+ Details

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- Definition

Amount of obligations incurred for employer-related costs classified as other.

+ References

+ Details

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