v3.26.1
SEGMENT INFORMATION (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting Information [Line Items]        
Total revenues $ 1,108.4 $ 1,074.3 $ 2,120.2 $ 1,989.8
Operating expenses:        
Direct operating costs, exclusive of depreciation 639.6 620.6 1,257.0 1,181.6
Salaries and benefits 193.3 173.5 383.2 337.6
Selling, general and administrative 98.4 87.8 191.0 170.8
Depreciation and amortization 40.0 33.8 79.9 66.0
Total operating expenses 971.3 915.7 1,911.1 1,756.0
Operating income 137.1 158.6 209.1 233.8
Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total revenues     2,120.2 1,989.8
Corporate Services, Eliminations and Other [Member]        
Segment Reporting Information [Line Items]        
Total revenues (2.3) (2.2) (4.6) (4.3)
Operating expenses:        
Direct operating costs, exclusive of depreciation (2.2) (2.2) (4.5) (4.3)
Salaries and benefits 21.2 19.0 41.8 35.6
Selling, general and administrative 3.6 3.6 8.5 6.8
Depreciation and amortization 0.2 0.1 0.4 0.3
Total operating expenses 22.8 20.5 46.2 38.4
Operating income (25.1) (22.7) (50.8) (42.7)
Payments Infrastructure Segment [Member] | Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total revenues 377.1 338.5 672.5 571.0
Operating expenses:        
Direct operating costs, exclusive of depreciation 191.0 173.9 366.2 310.4
Salaries and benefits 51.1 39.7 99.5 75.2
Selling, general and administrative 17.1 14.3 33.7 27.2
Depreciation and amortization 31.8 26.0 63.6 50.3
Total operating expenses 291.0 253.9 563.0 463.1
Operating income 86.1 84.6 109.5 107.9
Payments Infrastructure Segment [Member] | Corporate Services, Eliminations and Other [Member]        
Segment Reporting Information [Line Items]        
Total revenues
Epay Segment [Member] | Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total revenues 294.0 280.1 587.5 547.5
Operating expenses:        
Direct operating costs, exclusive of depreciation 218.5 210.9 440.0 413.0
Salaries and benefits 29.3 26.6 57.5 50.7
Selling, general and administrative 11.8 9.8 21.7 22.6
Depreciation and amortization 1.6 1.7 3.1 3.3
Total operating expenses 261.2 249.0 522.3 489.6
Operating income 32.8 31.1 65.2 57.9
Epay Segment [Member] | Corporate Services, Eliminations and Other [Member]        
Segment Reporting Information [Line Items]        
Total revenues
Cross-Border Payments Segment [Member] | Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Total revenues 439.6 457.9 864.8 875.6
Operating expenses:        
Direct operating costs, exclusive of depreciation 232.3 238.0 455.3 462.5
Salaries and benefits 91.7 88.2 184.4 176.1
Selling, general and administrative 65.9 60.1 127.1 114.2
Depreciation and amortization 6.4 6.0 12.8 12.1
Total operating expenses 396.3 392.3 779.6 764.9
Operating income 43.3 65.6 85.2 110.7
Cross-Border Payments Segment [Member] | Corporate Services, Eliminations and Other [Member]        
Segment Reporting Information [Line Items]        
Total revenues