Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Disaggregation of Revenue (Details)

v3.22.2
REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Disaggregation of Revenue [Line Items]        
Operating revenue $ 1,316.7 $ 1,234.8 $ 2,680.0 $ 2,447.8
Change in revenue $ 81.9   $ 232.2  
Change in revenue (as a percent) 7.00%   9.00%  
Workforce Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 609.2 502.0 $ 1,258.1 989.2
Change in revenue $ 107.2   $ 268.9  
Change in revenue (as a percent) 21.00%   27.00%  
Workforce Solutions | Verification Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 504.5 394.5 $ 1,017.8 779.6
Change in revenue $ 110.0   $ 238.2  
Change in revenue (as a percent) 28.00%   31.00%  
Workforce Solutions | Employer Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 104.7 107.5 $ 240.3 209.6
Change in revenue $ (2.8)   $ 30.7  
Change in revenue (as a percent) (3.00%)   15.00%  
U.S. Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 421.4 455.7 $ 854.4 915.1
Change in revenue $ (34.3)   $ (60.7)  
Change in revenue (as a percent) (8.00%)   (7.00%)  
U.S. Information Solutions | Online Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 329.2 347.8 $ 673.0 699.9
Change in revenue $ (18.6)   $ (26.9)  
Change in revenue (as a percent) (5.00%)   (4.00%)  
U.S. Information Solutions | Mortgage Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 36.8 49.3 $ 80.3 103.4
Change in revenue $ (12.5)   $ (23.1)  
Change in revenue (as a percent) (25.00%)   (22.00%)  
U.S. Information Solutions | Financial Marketing Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 55.4 58.6 $ 101.1 111.8
Change in revenue $ (3.2)   $ (10.7)  
Change in revenue (as a percent) (5.00%)   (10.00%)  
International        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 286.1 277.1 $ 567.5 543.5
Change in revenue $ 9.0   $ 24.0  
Change in revenue (as a percent) 3.00%   4.00%  
International | Asia Pacific        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 90.1 91.6 $ 176.6 178.6
Change in revenue $ (1.5)   $ (2.0)  
Change in revenue (as a percent) (2.00%)   (1.00%)  
International | Europe        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 79.8 76.7 $ 165.6 153.7
Change in revenue $ 3.1   $ 11.9  
Change in revenue (as a percent) 4.00%   8.00%  
International | Latin America        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 64.0 64.7 $ 125.7 125.4
Change in revenue $ 8.1   $ 13.8  
Change in revenue (as a percent) 18.00%   16.00%  
International | Canada        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 52.2 $ 44.1 $ 99.6 $ 85.8
Change in revenue $ (0.7)   $ 0.3  
Change in revenue (as a percent) (1.00%)   0.00%