Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
SEGMENT INFORMATION - Operating Revenue and Operating Income by Operating Segment (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Segment Reporting Information [Line Items]        
Operating revenue $ 1,317.6 $ 1,316.7 $ 2,619.6 $ 2,680.0
Operating income 236.9 304.6 442.2 637.1
General Corporate Expense        
Segment Reporting Information [Line Items]        
Operating income (144.9) (121.0) (299.6) (255.5)
Workforce Solutions        
Segment Reporting Information [Line Items]        
Operating revenue 582.8 609.2 1,179.1 1,258.1
Workforce Solutions | Operating Segments        
Segment Reporting Information [Line Items]        
Operating income 244.6 281.2 493.4 589.7
U.S. Information Solutions        
Segment Reporting Information [Line Items]        
Operating revenue 445.0 421.4 866.7 854.4
U.S. Information Solutions | Operating Segments        
Segment Reporting Information [Line Items]        
Operating income 102.8 112.0 181.4 233.5
International        
Segment Reporting Information [Line Items]        
Operating revenue 289.8 286.1 573.8 567.5
International | Operating Segments        
Segment Reporting Information [Line Items]        
Operating income $ 34.4 $ 32.4 $ 67.0 $ 69.4