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Earnings Per Share
 9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Earnings Per Share

16. Earnings Per Share

The computations of earnings per common share for the nine and three months ended September 30, 2022 and 2021were as follows:

 

(In millions, except per share data)

 

Nine Months Ended
September 30,

 

 

Three Months Ended
September 30,

 

 

 

2022

 

 

2021

 

 

2022

 

 

2021

 

Net income

 

$

577.1

 

 

$

597.1

 

 

$

204.2

 

 

$

202.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic earnings per common share

 

$

4.40

 

 

$

4.32

 

 

$

1.58

 

 

$

1.47

 

Diluted earnings per common share

 

$

4.37

 

 

$

4.26

 

 

$

1.57

 

 

$

1.45

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic average shares outstanding

 

 

131.0

 

 

 

138.3

 

 

 

129.3

 

 

 

137.8

 

Stock-based awards

 

 

1.0

 

 

 

1.9

 

 

 

0.8

 

 

 

1.9

 

Diluted average shares outstanding

 

 

132.0

 

 

 

140.2

 

 

 

130.1

 

 

 

139.7

 

Antidilutive stock-based awards excluded from weighted-
   average number of shares outstanding for diluted
   earnings per share

 

 

1.2

 

 

 

0.3

 

 

 

1.6

 

 

 

0.4