Annual report pursuant to Section 13 and 15(d)

REVENUE (Details)

v3.22.4
REVENUE (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]      
Operating revenue $ 5,122.2 $ 4,923.9 $ 4,127.5
Change in operating revenue 198.3 $ 796.4  
Change in operating revenue (as a percent)   4.00% 19.00%
Canada      
Disaggregation of Revenue [Line Items]      
Operating revenue 256.1 $ 250.0 $ 212.6
Total Workforce Solutions      
Disaggregation of Revenue [Line Items]      
Operating revenue 2,325.4 2,035.4 $ 1,461.7
Change in operating revenue 290.0 $ 573.7  
Change in operating revenue (as a percent)   14.00% 39.00%
Total Workforce Solutions | Verification Services      
Disaggregation of Revenue [Line Items]      
Operating revenue 1,871.0 $ 1,608.9 $ 1,103.2
Change in operating revenue 262.1 $ 505.7  
Change in operating revenue (as a percent)   16.00% 46.00%
Total Workforce Solutions | Employer Services      
Disaggregation of Revenue [Line Items]      
Operating revenue 454.4 $ 426.5 $ 358.5
Change in operating revenue 27.9 $ 68.0  
Change in operating revenue (as a percent)   7.00% 19.00%
Total U.S. Information Solutions      
Disaggregation of Revenue [Line Items]      
Operating revenue 1,657.7 $ 1,786.7 $ 1,711.2
Change in operating revenue (129.0) $ 75.5  
Change in operating revenue (as a percent)   (7.00%) 4.00%
Total U.S. Information Solutions | Online Information Solutions      
Disaggregation of Revenue [Line Items]      
Operating revenue 1,295.4 $ 1,349.8 $ 1,296.4
Change in operating revenue (54.4) $ 53.4  
Change in operating revenue (as a percent)   (4.00%) 4.00%
Total U.S. Information Solutions | Mortgage Solutions      
Disaggregation of Revenue [Line Items]      
Operating revenue 138.3 $ 190.4 $ 199.8
Change in operating revenue (52.1) $ (9.4)  
Change in operating revenue (as a percent)   (27.00%) (5.00%)
Total U.S. Information Solutions | Financial Marketing Services      
Disaggregation of Revenue [Line Items]      
Operating revenue 224.0 $ 246.5 $ 215.0
Change in operating revenue (22.5) $ 31.5  
Change in operating revenue (as a percent)   (9.00%) 15.00%
International      
Disaggregation of Revenue [Line Items]      
Operating revenue 1,139.1 $ 1,101.8 $ 954.6
Change in operating revenue 37.3 $ 147.2  
Change in operating revenue (as a percent)   3.00% 15.00%
International | Asia Pacific      
Disaggregation of Revenue [Line Items]      
Operating revenue 348.4 $ 356.0 $ 296.5
Change in operating revenue (7.6) $ 59.5  
Change in operating revenue (as a percent)   (2.00%) 20.00%
International | Europe      
Disaggregation of Revenue [Line Items]      
Operating revenue 327.8 $ 319.9 $ 285.2
Change in operating revenue 7.9 $ 34.7  
Change in operating revenue (as a percent)   2.00% 12.00%
International | Latin America      
Disaggregation of Revenue [Line Items]      
Operating revenue 206.8 $ 175.9 $ 160.3
Change in operating revenue 30.9 $ 15.6  
Change in operating revenue (as a percent)   18.00% 10.00%
International | Canada      
Disaggregation of Revenue [Line Items]      
Operating revenue 256.1 $ 250.0 $ 212.6
Change in operating revenue $ 6.1 $ 37.4  
Change in operating revenue (as a percent)   2.00% 18.00%