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Net Earnings Per Share

3 Months Ended

Mar. 31, 2021

(8) Net Earnings Per Share

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

	3 Months Ended
	March 31,
	2021		2020
Net earnings available to common shareholders	$	62.0	$	1.7
Weighted-average common shares outstanding (in millions)
Weighted-average common shares outstanding - basic		55.1		58.7
Effect of dilutive securities - stock options		0.1		-
Effect of other share-based awards		0.5		0.3
Weighted-average common shares outstanding - diluted		55.7		59.0
Net earnings per share - basic	$	1.12	$	0.03
Net earnings per share - diluted	$	1.11	$	0.03

There were no shares and 0.6 million share-based awards excluded from the calculation of net earnings per share - diluted for the three months ended March 31, 2021 and 2020, respectively, because their impact was anti-dilutive.