Net Earnings Per Common Share

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Net Earnings Per Common Share

Net Earnings Per Common ShareThe following table shows the calculation of basic and diluted net earnings per common share:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions, except per share amounts)	2023		2022		2023		2022
Basic Net Earnings Per Common Share:
Numerator:
Net earnings	$	56.6	$	134.2	$	217.6	$	397.3
Distributed and allocated undistributed net earnings to unvested restricted stockholders	—		—		—		—
Net earnings available to common stockholders	$	56.6	$	134.2	$	217.6	$	397.3
Denominator:
Weighted average number of common shares outstanding - basic	144.5		145.2		144.3		146.3
Basic net earnings per common share:
Basic net earnings per common share	$	0.39	$	0.92	$	1.51	$	2.72
Diluted Net Earnings Per Common Share:
Numerator:
Net earnings available to common stockholders	$	56.6	$	134.2	$	217.6	$	397.3
Denominator:
Weighted average number of common shares outstanding - basic	144.5		145.2		144.3		146.3
Effect of dilutive stock shares and units	0.4		1.4		0.5		1.5
Weighted average number of common shares outstanding - diluted under treasury stock	144.9		146.6		144.8		147.8
Diluted net earnings per common share	$	0.39	$	0.92	$	1.50	$	2.69