Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Disaggregation of Revenue (Details)

v3.19.2
REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Disaggregation of Revenue [Line Items]        
Operating revenue $ 880.0 $ 876.9 $ 1,726.1 $ 1,742.6
Change in revenue $ 3.1   $ (16.5)  
Operating revenue 0.00%   (1.00%)  
Operating Segments | U.S. Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 332.7 324.6 $ 631.0 631.5
Change in revenue $ 8.1   $ (0.5)  
Operating revenue 2.00%   0.00%  
Operating Segments | U.S. Information Solutions | Online Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 246.1 224.1 $ 463.8 443.8
Change in revenue $ 22.0   $ 20.0  
Operating revenue 10.00%   5.00%  
Operating Segments | U.S. Information Solutions | Mortgage Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 35.6 45.5 $ 67.8 87.2
Change in revenue $ (9.9)   $ (19.4)  
Operating revenue (22.00%)   (22.00%)  
Operating Segments | U.S. Information Solutions | Financial Marketing Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 51.0 55.0 $ 99.4 100.5
Change in revenue $ (4.0)   $ (1.1)  
Operating revenue (7.00%)   (1.00%)  
Operating Segments | International        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 229.0 250.3 $ 454.1 494.8
Change in revenue $ (21.3)   $ (40.7)  
Operating revenue (9.00%)   (8.00%)  
Operating Segments | International | Asia Pacific        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 75.9 86.1 $ 149.0 168.5
Change in revenue $ (10.2)   $ (19.5)  
Operating revenue (12.00%)   (12.00%)  
Operating Segments | International | Europe        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 66.0 72.3 $ 134.5 143.0
Change in revenue $ (6.3)   $ (8.5)  
Operating revenue (9.00%)   (6.00%)  
Operating Segments | International | Latin America        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 47.6 54.2 $ 94.8 110.1
Change in revenue $ (6.6)   $ (15.3)  
Operating revenue (12.00%)   (14.00%)  
Operating Segments | International | Canada        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 39.5 37.7 $ 75.8 73.2
Change in revenue $ 1.8   $ 2.6  
Operating revenue 5.00%   4.00%  
Operating Segments | Workforce Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 230.1 207.6 $ 458.6 418.7
Change in revenue $ 22.5   $ 39.9  
Operating revenue 11.00%   10.00%  
Operating Segments | Workforce Solutions | Verification Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 172.3 149.3 $ 321.2 277.7
Change in revenue $ 23.0   $ 43.5  
Operating revenue 15.00%   16.00%  
Operating Segments | Workforce Solutions | Employer Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 57.8 58.3 $ 137.4 141.0
Change in revenue $ (0.5)   $ (3.6)  
Operating revenue (1.00%)   (3.00%)  
Operating Segments | Global Consumer Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 88.2 $ 94.4 $ 182.4 $ 197.6
Change in revenue $ (6.2)   $ (15.2)  
Operating revenue (7.00%)   (8.00%)