Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Disaggregation of Revenue (Details)

v3.19.3
REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Disaggregation of Revenue [Line Items]        
Operating revenue $ 875.7 $ 834.2 $ 2,601.8 $ 2,576.8
Change in revenue $ 41.5   $ 25.0  
Operating revenue 5.00%   1.00%  
Operating Segments | U.S. Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 315.5 308.3 $ 946.5 939.8
Change in revenue $ 7.2   $ 6.7  
Operating revenue 2.00%   1.00%  
Operating Segments | U.S. Information Solutions | Online Information Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 233.0 222.4 $ 696.7 666.2
Change in revenue $ 10.6   $ 30.5  
Operating revenue 5.00%   5.00%  
Operating Segments | U.S. Information Solutions | Mortgage Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 36.7 39.0 $ 104.4 126.2
Change in revenue $ (2.3)   $ (21.8)  
Operating revenue (6.00%)   (17.00%)  
Operating Segments | U.S. Information Solutions | Financial Marketing Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 45.8 46.9 $ 145.4 147.4
Change in revenue $ (1.1)   $ (2.0)  
Operating revenue (2.00%)   (1.00%)  
Operating Segments | International        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 230.5 235.0 $ 684.6 729.8
Change in revenue $ (4.5)   $ (45.2)  
Operating revenue (2.00%)   (6.00%)  
Operating Segments | International | Asia Pacific        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 77.4 80.5 $ 226.4 249.0
Change in revenue $ (3.1)   $ (22.6)  
Operating revenue (4.00%)   (9.00%)  
Operating Segments | International | Europe        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 64.8 68.5 $ 199.3 211.4
Change in revenue $ (3.7)   $ (12.1)  
Operating revenue (5.00%)   (6.00%)  
Operating Segments | International | Latin America        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 49.2 48.7 $ 144.0 158.9
Change in revenue $ 0.5   $ (14.9)  
Operating revenue 1.00%   (9.00%)  
Operating Segments | International | Canada        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 39.1 37.3 $ 114.9 110.5
Change in revenue $ 1.8   $ 4.4  
Operating revenue 5.00%   4.00%  
Operating Segments | Workforce Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 240.6 202.2 $ 699.2 620.9
Change in revenue $ 38.4   $ 78.3  
Operating revenue 19.00%   13.00%  
Operating Segments | Workforce Solutions | Verification Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 185.3 143.9 $ 506.5 421.6
Change in revenue $ 41.4   $ 84.9  
Operating revenue 29.00%   20.00%  
Operating Segments | Workforce Solutions | Employer Services        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 55.3 58.3 $ 192.7 199.3
Change in revenue $ (3.0)   $ (6.6)  
Operating revenue (5.00%)   (3.00%)  
Operating Segments | Global Consumer Solutions        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 89.1 $ 88.7 $ 271.5 $ 286.3
Change in revenue $ 0.4   $ (14.8)  
Operating revenue 0.00%   (5.00%)