Net Earnings Per Share

6 Months Ended

Jun. 30, 2023

(8) Net Earnings Per Share

The calculations of net earnings per share - basic and net earnings per share - diluted were as follows:


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2023		2022		2023		2022
Net earnings available to common shareholders	$	65.2	$	122.2	$	143.0	$	213.8
Weighted-average common shares outstanding (in millions)
Weighted-average common shares outstanding - basic		50.2		52.7		50.4		53.2
Effect of dilutive securities - stock options		—		0.1		—		—
Effect of other share-based awards		0.5		0.6		0.6		0.6
Weighted-average common shares outstanding - diluted		50.7		53.4		51.0		53.8
Net earnings per share - basic	$	1.30	$	2.32	$	2.84	$	4.02
Net earnings per share - diluted	$	1.29	$	2.29	$	2.80	$	3.97

There were 0.7 million and 0.5 million share-based awards excluded from the calculation of net earnings per share - diluted for the three months ended June 30, 2023 and 2022, respectively, because their impact was anti-dilutive. There were 0.6 million and 0.3 million share-based awards excluded from the calculation of net earnings per share - diluted for the six months ended June 30, 2023 and 2022, respectively, because their impact was anti-dilutive.