Debt - Schedule of the Change in Debt (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Debt Instrument
Beginning balance	$ 575.2
Repayments	(20.0)	$ (1.3)
Ending balance	556.3
Asset Management (Kudu) \| Kudu Credit Facility
Debt Instrument
Beginning balance	208.3
Ending balance	191.6
Asset Management (Kudu) \| Term Loan \| Kudu Credit Facility
Debt Instrument
Beginning balance	215.2	225.4
Borrowings	0.0	0.0
Repayments	(16.9)	0.0
Ending balance	$ 198.3	$ 225.4

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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