Net Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2024

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)	2024		2023
Basic Net Earnings Per Common Share:
Numerator:
Net earnings	$	82.0	$	61.9
Distributed and allocated undistributed net earnings to unvested restricted stockholders	—		—
Net earnings available to common stockholders	$	82.0	$	61.9
Denominator:
Weighted average number of common shares outstanding - basic	144.9		144.1
Basic net earnings per common share:
Basic net earnings per common share	$	0.57	$	0.43
Diluted Net Earnings Per Common Share:
Numerator:
Net earnings available to common stockholders	$	82.0	$	61.9
Denominator:
Weighted average number of common shares outstanding - basic	144.9		144.1
Effect of dilutive stock shares and units	0.5		0.7
Weighted average number of common shares outstanding - diluted under treasury stock	145.4		144.8
Diluted net earnings per common share	$	0.56	$	0.43