Stockholders' Equity and Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2022

Stockholders' Equity and Earnings Per Common Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

Net income per common share is determined as follows:

	Three Months Ended September 30				Nine Months Ended September 30
	2022		2021		2022		2021
	(in millions of dollars, except share data)
Numerator
Net Income	$	410.7	$	328.6	$	1,034.6	$	664.5
Denominator (000s)
Weighted Average Common Shares - Basic	200,035.3		204,645.8		201,262.3		204,429.6
Dilution for Assumed Exercises of Stock Options and Nonvested Stock Awards	1,614.9		496.5		1,256.7		623.3
Weighted Average Common Shares - Assuming Dilution	201,650.2		205,142.3		202,519.0		205,052.9
Net Income Per Common Share
Basic	$	2.05	$	1.61	$	5.14	$	3.25
Assuming Dilution	$	2.04	$	1.60	$	5.11	$	3.24

Treasury Stock Transactions

Common stock repurchases, which are accounted for using the cost method and classified as treasury stock until otherwise retired, were as follows:

	Three Months Ended September 30				Nine Months Ended September 30
	2022		2021		2022		2021
	(in millions of dollars, except share data)
Shares Repurchased (000s)	1,164.8		—		4,243.4		—
Cost of Shares Repurchased1	$	42.6	$	—	$	137.5	$	—

1Includes a de minimis amount and $0.1 million of commissions for the three and nine months ended September 30, 2022.