XML 22 R2.htm IDEA: XBRL DOCUMENT v3.22.4
CONSOLIDATED STATEMENTS OF INCOME - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Statement [Abstract]      
Revenues $ 4,475.5 $ 5,070.8 $ 4,835.0
Type of Revenue us-gaap:ServiceMember us-gaap:ServiceMember us-gaap:ServiceMember
Expenses:      
Cost of services $ 2,626.4 $ 2,896.4 $ 2,826.5
Type of Cost of Service us-gaap:ServiceMember us-gaap:ServiceMember us-gaap:ServiceMember
Selling, general, and administrative $ 964.2 $ 1,051.3 $ 1,041.2
Total expenses [1] 3,590.6 3,947.7 3,867.7
Operating income 884.9 1,123.1 967.3
Other income/(expense):      
Gain on divestitures of businesses (Note 5) 248.3    
Gain on sale of noncontrolling interest in a private company (Note 5)   47.9  
Pension settlement charges (Note 12)   (109.8)  
Interest income 13.9 1.4 3.2
Interest expense (101.0) (105.5) (118.5)
Other income/(expense), net (37.5) (21.7) 3.1
Total other income/(expense), net 123.7 (187.7) (112.2)
Income before income taxes 1,008.6 935.4 855.1
Provision for income taxes 98.0 129.6 110.8
Net income $ 910.6 $ 805.8 $ 744.3
Earnings per share:      
Basic (USD per share) $ 2.35 $ 1.98 $ 1.81
Diluted (USD per share) $ 2.34 $ 1.97 $ 1.79
Weighted-average shares outstanding:      
Basic (shares) 387.2 406.8 412.3
Diluted (shares) 388.4 408.9 415.2
[1] As further described in Note 7, total expenses include amounts incurred with related parties of $48.8 million, $54.7 million, and $54.6 million for the years ended December 31, 2022, 2021, and 2020, respectively.