Contingencies (Details) $ in Millions	1 Months Ended
	Aug. 31, 2021 plaintiff	May 31, 2021 USD ($) plaintiff	Jun. 30, 2019 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Accrual of loss contingency				$ 20.0
Estimate of possible loss				40.0
Unrecognized tax benefits				237.0	$ 285.0	$ 252.0	$ 308.0
Invoicing Matter
Loss Contingencies [Line Items]
Payments for settlements			$ 48.8
Invoicing Matter | United States Attorney for the District of Massachusetts
Loss Contingencies [Line Items]
Payments for settlements		$ 115.0
Invoicing Matter | U.S. Securities and Exchange Commission
Loss Contingencies [Line Items]
Amount awarded to other party			40.0
Invoicing Matter | Massachusetts Attorney General
Loss Contingencies [Line Items]
Amount awarded to other party			$ 5.5
Gomes v State Street Corp.
Loss Contingencies [Line Items]
Loss contingency, number of plaintiffs | plaintiff		8
Edmar Financial Company, LLC v. Currenex, Inc.
Loss Contingencies [Line Items]
Loss contingency, number of plaintiffs | plaintiff	2
Legal Reserve | Invoicing Matter
Loss Contingencies [Line Items]
Estimate of possible loss				$ 350.0