Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Disaggregation of Revenue (Details)

v3.20.2
REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Disaggregation of Revenue [Line Items]        
Operating revenue $ 982.8 $ 880.0 $ 1,940.8 $ 1,726.1
Change in revenue $ 102.8   214.7  
Change in revenue (as a percent) 12.00%     12.00%
Operating Segments | U.S. Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 365.6 332.7 708.8 $ 631.0
Change in revenue $ 32.9   77.8  
Change in revenue (as a percent) 10.00%     12.00%
Operating Segments | U.S. Information Solutions | Online Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 262.9 246.1 515.7 $ 463.8
Change in revenue $ 16.8   51.9  
Change in revenue (as a percent) 7.00%     11.00%
Operating Segments | U.S. Information Solutions | Mortgage Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 51.2 35.6 94.0 $ 67.8
Change in revenue $ 15.6   26.2  
Change in revenue (as a percent) 44.00%     39.00%
Operating Segments | U.S. Information Solutions | Financial Marketing Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 51.5 51.0 99.1 $ 99.4
Change in revenue $ 0.5   (0.3)  
Change in revenue (as a percent) 1.00%     0.00%
Operating Segments | Workforce Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 352.9 230.1 654.6 $ 458.6
Change in revenue $ 122.8   196.0  
Change in revenue (as a percent) 53.00%     43.00%
Operating Segments | Workforce Solutions | Verification Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 251.9 172.3 472.1 $ 321.2
Change in revenue $ 79.6   150.9  
Change in revenue (as a percent) 46.00%     47.00%
Operating Segments | Workforce Solutions | Employer Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 101.0 57.8 182.5 $ 137.4
Change in revenue $ 43.2   45.1  
Change in revenue (as a percent) 75.00%     33.00%
Operating Segments | International        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 180.5 229.0 396.5 $ 454.1
Change in revenue $ (48.5)   (57.6)  
Change in revenue (as a percent) (21.00%)     (13.00%)
Operating Segments | International | Asia Pacific        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 65.2 75.9 134.9 $ 149.0
Change in revenue $ (10.7)   (14.1)  
Change in revenue (as a percent) (14.00%)     (9.00%)
Operating Segments | International | Europe        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 48.0 66.0 114.4 $ 134.5
Change in revenue $ (18.0)   (20.1)  
Change in revenue (as a percent) (27.00%)     (15.00%)
Operating Segments | International | Latin America        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 34.2 47.6 77.4 $ 94.8
Change in revenue $ (13.4)   (17.4)  
Change in revenue (as a percent) (28.00%)     (18.00%)
Operating Segments | International | Canada        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 33.1 39.5 69.8 $ 75.8
Change in revenue $ (6.4)   (6.0)  
Change in revenue (as a percent) (16.00%)     (8.00%)
Operating Segments | Global Consumer Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 83.8 $ 88.2 180.9 $ 182.4
Change in revenue $ (4.4)   $ (1.5)  
Change in revenue (as a percent) (5.00%)     (1.00%)