Quarterly report pursuant to Section 13 or 15(d)

SEGMENT INFORMATION - Operating Revenue and Operating Income by Operating Segment (Details)

v3.21.2
SEGMENT INFORMATION - Operating Revenue and Operating Income by Operating Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Segment Reporting Information [Line Items]        
Operating revenue $ 1,222.9 $ 1,068.3 $ 3,670.7 $ 3,009.1
Operating income 273.2 204.4 885.8 507.2
General Corporate Expense        
Segment Reporting Information [Line Items]        
Operating income (136.3) (155.3) (402.5) (410.8)
Workforce Solutions        
Segment Reporting Information [Line Items]        
Operating revenue 508.0 376.8 1,484.5 1,031.4
Workforce Solutions | Operating Segments        
Segment Reporting Information [Line Items]        
Operating income 253.1 193.2 783.0 500.8
U.S. Information Solutions        
Segment Reporting Information [Line Items]        
Operating revenue 387.8 386.3 1,203.0 1,095.1
U.S. Information Solutions | Operating Segments        
Segment Reporting Information [Line Items]        
Operating income 116.7 128.6 382.5 349.3
International        
Segment Reporting Information [Line Items]        
Operating revenue 245.4 218.0 737.7 614.6
International | Operating Segments        
Segment Reporting Information [Line Items]        
Operating income 27.9 25.4 85.1 34.5
Global Consumer Solutions        
Segment Reporting Information [Line Items]        
Operating revenue 81.7 87.2 245.5 268.0
Global Consumer Solutions | Operating Segments        
Segment Reporting Information [Line Items]        
Operating income $ 11.8 $ 12.5 $ 37.7 $ 33.4