Business and Basis of Presentation - Summary of Effects of Changes in Presentation Cash Flows (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net cash provided by/(used in) Operating activities	$ 306.8	$ 349.5
Net cash provided by/(used in) Investing activities	292.3	102.7
Net cash provided by/(used in) Financing activities	(788.0)	(519.1)
Net change in cash and cash equivalents, including settlement, and restricted cash	$ (188.9)	(66.9)
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net cash provided by/(used in) Operating activities		349.5
Net cash provided by/(used in) Investing activities		(297.3)
Net cash provided by/(used in) Financing activities		(426.0)
Net change in cash and cash equivalents, including settlement, and restricted cash		(373.8)
Revisions
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net cash provided by/(used in) Investing activities		400.0
Net cash provided by/(used in) Financing activities		(93.1)
Net change in cash and cash equivalents, including settlement, and restricted cash		$ 306.9

Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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