Net Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Calculations of Net Earnings Per Share - Basic and Diluted

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

	3 Months Ended
	March 31,
	2020		2019
Net earnings available to common shareholders	$	1.7	$	53.5
Weighted-average common shares outstanding (in millions)
Weighted-average common shares outstanding - basic		58.7		60.6
Effect of dilutive securities - stock options		—		—
Effect of other share-based awards		0.3		0.4
Weighted-average common shares outstanding - diluted		59.0		61.0
Net earnings per share - basic	$	0.03	$	0.88
Net earnings per share - diluted	$	0.03	$	0.88