Quarterly report [Sections 13 or 15(d)]

SEGMENT INFORMATION - Segment Information (Details)

v3.25.3
SEGMENT INFORMATION - Segment Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Operating Revenue $ 1,544.9 $ 1,441.8 $ 4,523.9 $ 4,261.7  
Cost of services (exclusive of depreciation and amortization below) 663.2 645.2 1,984.4 1,903.7  
Selling, general and administrative expenses 434.1 380.4 1,193.2 1,105.7  
Depreciation and amortization expenses 183.3 169.1 535.3 498.3  
Operating income 264.3 247.1 811.0 754.0  
General corporate expense (1,280.6) (1,194.7) (3,712.9) (3,507.7)  
Other income, net 3.2 3.0 9.2 4.3  
Interest expense (52.2) (56.3) (158.2) (173.4)  
Consolidated income before income taxes 215.3 193.8 662.0 584.9  
Assets 11,831.8   11,831.8   $ 11,759.4
Total capital expenditures 125.8 123.2 349.1 378.9  
Operating Segments          
Segment Reporting Information [Line Items]          
Operating Revenue 1,544.9 1,441.8 4,523.9 4,261.7  
Cost of services (exclusive of depreciation and amortization below) 635.1 612.0 1,891.6 1,803.4  
Selling, general and administrative expenses 286.2 266.5 844.5 813.6  
Depreciation and amortization expenses 158.1 149.5 463.2 439.6  
Operating income 465.5 413.8 1,324.6 1,205.1  
Segment Reporting, Reconciling Item, Corporate Nonsegment          
Segment Reporting Information [Line Items]          
General corporate expense (201.2) (166.7) (513.6) (451.1)  
Assets 821.3   821.3   816.7
Total capital expenditures 38.8 24.9 102.9 80.6  
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment          
Segment Reporting Information [Line Items]          
Other income, net 3.2 3.0 9.2 4.3  
Interest expense (52.2) (56.3) (158.2) (173.4)  
Workforce Solutions | Operating Segments          
Segment Reporting Information [Line Items]          
Operating Revenue 649.4 620.0 1,930.1 1,835.6  
Cost of services (exclusive of depreciation and amortization below) 237.9 227.4 703.6 665.7  
Selling, general and administrative expenses 79.8 80.1 234.0 240.9  
Depreciation and amortization expenses 47.2 44.9 136.5 133.6  
Operating income 284.5 267.6 856.0 795.4  
Assets 4,034.2   4,034.2   4,104.9
Total capital expenditures 25.7 24.3 71.9 72.8  
U.S. Information Solutions | Operating Segments          
Segment Reporting Information [Line Items]          
Operating Revenue 530.2 476.9 1,551.6 1,420.5  
Cost of services (exclusive of depreciation and amortization below) 239.8 221.3 706.6 657.7  
Selling, general and administrative expenses 104.3 96.5 309.3 298.9  
Depreciation and amortization expenses 62.8 61.0 188.8 174.6  
Operating income 123.3 98.1 346.9 289.3  
Assets 3,357.5   3,357.5   3,386.2
Total capital expenditures 25.5 40.5 76.9 130.0  
International | Operating Segments          
Segment Reporting Information [Line Items]          
Operating Revenue 365.3 344.9 1,042.2 1,005.6  
Cost of services (exclusive of depreciation and amortization below) 157.4 163.3 481.4 480.0  
Selling, general and administrative expenses 102.1 89.9 301.2 273.8  
Depreciation and amortization expenses 48.1 43.6 137.9 131.4  
Operating income 57.7 48.1 121.7 120.4  
Assets 3,618.8   3,618.8   $ 3,451.6
Total capital expenditures $ 35.8 $ 33.5 $ 97.4 $ 95.5