Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Disaggregation of Revenue (Details)

v3.23.3
REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Disaggregation of Revenue [Line Items]        
Operating revenue $ 1,319.1 $ 1,244.3 $ 3,938.7 $ 3,924.3
Change in revenue $ 74.8   $ 14.4  
Change in revenue (as a percent) 6.00%   0.00%  
Workforce Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 577.2 558.9 $ 1,756.3 1,817.1
Change in revenue $ 18.3   $ (60.8)  
Change in revenue (as a percent) 3.00%   (3.00%)  
Workforce Solutions | Verification Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 459.3 454.5 $ 1,389.1 1,472.4
Change in revenue $ 4.8   $ (83.3)  
Change in revenue (as a percent) 1.00%   (6.00%)  
Workforce Solutions | Employer Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 117.9 104.4 $ 367.2 344.7
Change in revenue $ 13.5   $ 22.5  
Change in revenue (as a percent) 13.00%   7.00%  
U.S. Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 426.0 397.4 $ 1,292.7 1,251.8
Change in revenue $ 28.6   $ 40.9  
Change in revenue (as a percent) 7.00%   3.00%  
U.S. Information Solutions | Online Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 348.2 314.4 $ 1,047.8 987.5
Change in revenue $ 33.8   $ 60.3  
Change in revenue (as a percent) 11.00%   6.00%  
U.S. Information Solutions | Mortgage Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 27.3 32.1 $ 90.8 112.3
Change in revenue $ (4.8)   $ (21.5)  
Change in revenue (as a percent) (15.00%)   (19.00%)  
U.S. Information Solutions | Financial Marketing Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 50.5 50.9 $ 154.1 152.0
Change in revenue $ (0.4)   $ 2.1  
Change in revenue (as a percent) (1.00%)   1.00%  
International        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 315.9 288.0 $ 889.7 855.4
Change in revenue $ 27.9   $ 34.3  
Change in revenue (as a percent) 10.00%   4.00%  
International | Asia Pacific        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 85.5 87.1 $ 263.1 263.7
Change in revenue $ (1.6)   $ (0.6)  
Change in revenue (as a percent) (2.00%)   0.00%  
International | Europe        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 85.2 80.7 $ 239.6 246.3
Change in revenue $ 4.5   $ (6.7)  
Change in revenue (as a percent) 6.00%   (3.00%)  
International | Canada        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 65.1 66.2 $ 194.7 191.8
Change in revenue $ (1.1)   $ 2.9  
Change in revenue (as a percent) (2.00%)   2.00%  
International | Latin America        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 80.1 $ 54.0 $ 192.3 $ 153.6
Change in revenue $ 26.1   $ 38.7  
Change in revenue (as a percent) 48.00%   25.00%