Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 586.4
Currency translation adjustment	55.7
Ending balance	642.1
Banking
Goodwill [Roll Forward]
Beginning balance	448.4
Currency translation adjustment	42.3
Ending balance	490.7
Retail
Goodwill [Roll Forward]
Beginning balance	138.0
Currency translation adjustment	13.4
Ending balance	$ 151.4