v3.26.3
Segment Information - Schedule of Reconciliation of Segment Adjusted Operating Income to Income Before Income Taxes (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Segment adjusted operating income $ 360.0 $ 297.2   $ 824.4
Stock-based compensation     $ 107.0 77.8
Financing interest expense, net of financial instruments (53.2) (63.8) (159.0) (181.8)
Net foreign currency (loss) gain (0.1) (2.6) 4.0 (3.3)
Change in fair value of contingent consideration 0.0 (0.7) (0.7) (2.3)
Income before income taxes 185.5 116.4 444.5 310.2
Operating Segments        
Segment Reporting [Line Items]        
Segment adjusted operating income 360.0 297.2 953.4 824.4
Segment Reconciling Items        
Segment Reporting [Line Items]        
Unallocated corporate expenses 27.5 23.7 78.1 74.1
Acquisition-related intangible amortization 45.6 47.9 137.2 145.1
Other acquisition and divestiture related items 0.0 3.8 1.7 5.0
Stock-based compensation 45.3 34.7 112.4 80.4
Other costs 2.8 3.6 23.8 22.3
Mobility        
Segment Reporting [Line Items]        
Segment adjusted operating income 203.9 146.7 511.1 412.2
Mobility | Operating Segments        
Segment Reporting [Line Items]        
Segment adjusted operating income 203.9 146.7 511.1 412.2
Benefits        
Segment Reporting [Line Items]        
Segment adjusted operating income 87.5 86.7 271.2 258.5
Benefits | Operating Segments        
Segment Reporting [Line Items]        
Segment adjusted operating income 87.5 86.7 271.2 258.5
Corporate Payments        
Segment Reporting [Line Items]        
Segment adjusted operating income 68.5 63.8 171.1 153.7
Corporate Payments | Operating Segments        
Segment Reporting [Line Items]        
Segment adjusted operating income $ 68.5 $ 63.8 $ 171.1 $ 153.7