Net Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Net Earnings Per Common Share

The following table shows the calculation of basic and diluted net earnings per common share:

	Three Months Ended March 31,
(In millions, except per share amounts)	2022		2021
Basic Net Earnings Per Common Share:
Numerator:
Net earnings	$	149.2	$	110.1
Distributed and allocated undistributed net earnings to unvested restricted stockholders	—		—
Net earnings available to common stockholders	$	149.2	$	110.1
Denominator:
Weighted average number of common shares outstanding - basic	147.6		154.1
Basic net earnings per common share:
Basic net earnings per common share	$	1.01	$	0.71
Diluted Net Earnings Per Common Share:
Numerator:
Net earnings available to common stockholders	$	149.2	$	110.1
Denominator:
Weighted average number of common shares outstanding - basic	147.6		154.1
Effect of dilutive stock shares and units	1.9		1.3
Weighted average number of common shares outstanding - diluted under treasury stock	149.5		155.4
Diluted net earnings per common share	$	1.00	$	0.71