Equity-based Compensation - Schedule of Share-based Payments Liability (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred Compensation, Share-based Arrangements Rollforward [Roll Forward]
Balance, beginning of period	$ 25.0
Affiliate disposals	(0.8)	$ 0.0	$ 0.0
Balance, end of period	28.1	25.0
Cash Settled Awards
Deferred Compensation, Share-based Arrangements Rollforward [Roll Forward]
Balance, beginning of period	25.0	33.2	35.4
Amortization and revaluation of granted awards	5.4	2.0	(0.4)
Repurchases (cash-settled)	(1.5)	(10.2)	(1.8)
Balance, end of period	$ 28.1	$ 25.0	$ 33.2

Deferred Compensation Share-based Arrangements, Liability, Affiliate Disposals

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Amount of share-based payments charged to the current period from amortization of the deferred amount and revaluation of the awards.

No definition available.

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Represents the value of the awards repurchase or settled during the period..

No definition available.

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Deferred Compensation, Share-based Arrangements Rollforward [Roll Forward]

No definition available.

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Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements.

No definition available.

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