Annual report pursuant to Section 13 and 15(d)

SEGMENT INFORMATION - Segment Information (Details)

v3.25.0.1
SEGMENT INFORMATION - Segment Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Disclosure [Line Items]      
Operating revenue $ 5,681.1 $ 5,265.2 $ 5,122.2
Cost of services 2,518.7 2,335.1 2,177.2
Selling, general and administrative expenses 1,450.5 1,385.7 1,328.9
Depreciation and amortization 669.8 610.8 560.1
Operating income 1,042.1 933.6 1,056.0
General corporate expense (4,639.0) (4,331.6) (4,066.2)
Other (expense) income, net (2.5) 25.7 56.7
Interest expense (229.1) (241.4) (183.0)
Consolidated income before income taxes 810.5 717.9 929.7
Total assets 11,759.4 12,280.0  
Total capital expenditures 495.9 585.8 617.4
Operating Segments      
Segment Reporting Disclosure [Line Items]      
Operating revenue 5,681.1 5,265.2 5,122.2
Cost of services 2,381.9 2,161.4 2,019.9
Selling, general and administrative expenses 1,068.6 1,071.8 1,061.6
Depreciation and amortization 591.7 529.9 485.6
Operating income 1,638.9 1,502.1 1,555.1
General corporate expense      
Segment Reporting Disclosure [Line Items]      
General corporate expense (596.8) (568.5) (499.1)
Total assets 816.7 930.2  
Total capital expenditures 111.2 205.5 233.4
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment      
Segment Reporting Disclosure [Line Items]      
Other (expense) income, net (2.5) 25.7 56.7
Interest expense (229.1) (241.4) (183.0)
Workforce Solutions      
Segment Reporting Disclosure [Line Items]      
Operating revenue 2,433.8 2,315.8 2,325.4
Workforce Solutions | Operating Segments      
Segment Reporting Disclosure [Line Items]      
Operating revenue 2,433.8 2,315.8 2,325.4
Cost of services 883.4 830.9 794.9
Selling, general and administrative expenses 318.7 339.1 362.3
Depreciation and amortization 178.4 176.5 162.2
Operating income 1,053.3 969.3 1,006.0
Total capital expenditures 96.0 127.5 113.5
U.S. Information Solutions | Operating Segments      
Segment Reporting Disclosure [Line Items]      
Operating revenue 1,893.0 1,720.4 1,657.7
Cost of services 861.1 751.5 668.0
Selling, general and administrative expenses 390.2 398.1 396.2
Depreciation and amortization 237.3 205.8 191.4
Operating income 404.4 365.0 402.1
Total capital expenditures 161.2 131.3 125.7
Total International      
Segment Reporting Disclosure [Line Items]      
Operating revenue 1,354.3 1,229.0 1,139.1
Total International | Operating Segments      
Segment Reporting Disclosure [Line Items]      
Operating revenue 1,354.3 1,229.0 1,139.1
Cost of services 637.4 579.0 557.0
Selling, general and administrative expenses 359.7 334.6 303.1
Depreciation and amortization 176.0 147.6 132.0
Operating income 181.2 167.8 147.0
Total assets 3,451.6 3,909.0  
Total capital expenditures 127.5 121.5 144.8
Workforce | Operating Segments      
Segment Reporting Disclosure [Line Items]      
Total assets 4,104.9 4,144.7  
Total U.S. Information Solutions      
Segment Reporting Disclosure [Line Items]      
Operating revenue 1,893.0 1,720.4 $ 1,657.7
Total U.S. Information Solutions | Operating Segments      
Segment Reporting Disclosure [Line Items]      
Total assets $ 3,386.2 $ 3,296.1