Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 616.7
Currency translation adjustment	(14.3)
Ending balance	602.4
Banking
Goodwill [Roll Forward]
Beginning balance	471.4
Currency translation adjustment	(10.9)
Ending balance	460.5
Retail
Goodwill [Roll Forward]
Beginning balance	145.3
Currency translation adjustment	(3.4)
Ending balance	$ 141.9