Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Disaggregation of Revenue (Details)

v3.22.2.2
REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Disaggregation of Revenue [Line Items]        
Operating revenue $ 1,244.3 $ 1,222.9 $ 3,924.3 $ 3,670.7
Change in revenue $ 21.4   $ 253.6  
Change in revenue (as a percent) 2.00%   7.00%  
Workforce Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 558.9 514.6 $ 1,817.1 1,503.8
Change in revenue $ 44.3   $ 313.3  
Change in revenue (as a percent) 9.00%   21.00%  
Workforce Solutions | Verification Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 454.5 402.7 $ 1,472.4 1,182.3
Change in revenue $ 51.8   $ 290.1  
Change in revenue (as a percent) 13.00%   25.00%  
Workforce Solutions | Employer Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 104.4 111.9 $ 344.7 321.5
Change in revenue $ (7.5)   $ 23.2  
Change in revenue (as a percent) (7.00%)   7.00%  
U.S. Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 397.4 437.7 $ 1,251.8 1,352.8
Change in revenue $ (40.3)   $ (101.0)  
Change in revenue (as a percent) (9.00%)   (7.00%)  
U.S. Information Solutions | Online Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 314.4 336.2 $ 987.5 1,036.0
Change in revenue $ (21.8)   $ (48.5)  
Change in revenue (as a percent) (6.00%)   (5.00%)  
U.S. Information Solutions | Mortgage Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 32.1 46.2 $ 112.3 149.7
Change in revenue $ (14.1)   $ (37.4)  
Change in revenue (as a percent) (31.00%)   (25.00%)  
U.S. Information Solutions | Financial Marketing Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 50.9 55.3 $ 152.0 167.1
Change in revenue $ (4.4)   $ (15.1)  
Change in revenue (as a percent) (8.00%)   (9.00%)  
International        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 288.0 270.6 $ 855.4 814.1
Change in revenue $ 17.4   $ 41.3  
Change in revenue (as a percent) 6.00%   5.00%  
International | Asia Pacific        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 87.1 89.0 $ 263.7 267.6
Change in revenue $ (1.9)   $ (3.9)  
Change in revenue (as a percent) (2.00%)   (1.00%)  
International | Europe        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 80.7 75.9 $ 246.3 229.6
Change in revenue $ 4.8   $ 16.7  
Change in revenue (as a percent) 6.00%   7.00%  
International | Latin America        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 66.2 61.0 $ 191.8 186.4
Change in revenue $ 9.3   $ 23.1  
Change in revenue (as a percent) 21.00%   18.00%  
International | Canada        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 54.0 $ 44.7 $ 153.6 $ 130.5
Change in revenue $ 5.2   $ 5.4  
Change in revenue (as a percent) 9.00%   3.00%