Quarterly report [Sections 13 or 15(d)]

SEGMENT INFORMATION - Segment Information (Details)

v3.25.2
SEGMENT INFORMATION - Segment Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Operating Revenue $ 1,537.0 $ 1,430.5 $ 2,979.0 $ 2,819.9  
Cost of services (exclusive of depreciation and amortization below) 664.6 630.9 1,321.2 1,258.6  
Selling, general and administrative expenses 384.2 352.6 759.1 725.2  
Depreciation and amortization expenses 177.4 164.8 352.0 329.2  
Operating income 310.8 282.2 546.7 506.9  
General corporate expense (1,226.2) (1,148.3) (2,432.3) (2,313.0)  
Other income (expense), net 3.6 (0.3) 6.0 1.3  
Interest expense (53.1) (57.3) (106.0) (117.1)  
Consolidated income before income taxes 261.3 224.6 446.7 391.1  
Assets 11,917.9   11,917.9   $ 11,759.4
Total capital expenditures 122.2 131.0 223.4 255.7  
Operating Segments          
Segment Reporting Information [Line Items]          
Operating Revenue 1,537.0 1,430.5 2,979.0 2,819.9  
Cost of services (exclusive of depreciation and amortization below) 633.3 598.2 1,256.5 1,191.2  
Selling, general and administrative expenses 286.1 275.7 558.3 547.2  
Depreciation and amortization expenses 153.7 144.9 305.2 290.2  
Operating income 463.9 411.7 859.0 791.3  
Segment Reporting, Reconciling Item, Corporate Nonsegment          
Segment Reporting Information [Line Items]          
General corporate expense (153.1) (129.5) (312.3) (284.4)  
Assets 827.4   827.4   816.7
Total capital expenditures 40.0 27.5 64.0 55.6  
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment          
Segment Reporting Information [Line Items]          
Other income (expense), net 3.6 (0.3) 6.0 1.3  
Interest expense (53.1) (57.3) (106.0) (117.1)  
Workforce Solutions | Operating Segments          
Segment Reporting Information [Line Items]          
Operating Revenue 662.1 612.9 1,280.7 1,215.7  
Cost of services (exclusive of depreciation and amortization below) 232.8 214.5 465.8 438.3  
Selling, general and administrative expenses 77.2 81.3 154.2 160.8  
Depreciation and amortization expenses 44.8 44.4 89.3 88.8  
Operating income 307.3 272.7 571.4 527.8  
Assets 4,086.4   4,086.4   4,104.9
Total capital expenditures 25.9 24.8 46.2 48.5  
U.S. Information Solutions | Operating Segments          
Segment Reporting Information [Line Items]          
Operating Revenue 521.5 478.3 1,021.3 943.6  
Cost of services (exclusive of depreciation and amortization below) 234.1 222.4 466.7 436.3  
Selling, general and administrative expenses 106.6 100.3 204.9 202.6  
Depreciation and amortization expenses 62.8 57.0 126.1 113.5  
Operating income 118.0 98.6 223.6 191.2  
Assets 3,384.0   3,384.0   3,386.2
Total capital expenditures 25.0 46.8 51.5 89.5  
International | Operating Segments          
Segment Reporting Information [Line Items]          
Operating Revenue 353.4 339.3 677.0 660.6  
Cost of services (exclusive of depreciation and amortization below) 166.4 161.3 324.0 316.6  
Selling, general and administrative expenses 102.3 94.1 199.2 183.8  
Depreciation and amortization expenses 46.1 43.5 89.8 87.9  
Operating income 38.6 40.4 64.0 72.3  
Assets 3,620.1   3,620.1   $ 3,451.6
Total capital expenditures $ 31.3 $ 31.9 $ 61.7 $ 62.1