Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Reconciliation of Numerator and Denominator of Basic and Diluted Earnings per Share Calculation and Anti-dilutive Share-based Awards

The reconciliation of the numerator and denominator of the basic and diluted earnings per share calculation and the anti-dilutive share-based awards for the three and nine months ended September 30, 2019 and 2018 were as follows:

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2019		2018		2019		2018
Net earnings per share:
Basic	$	0.43	$	1.42	$	0.90	$	2.21
Diluted	$	0.43	$	1.40	$	0.89	$	2.19
Numerator:
Net earnings	$	14.7	$	48.0	$	30.6	$	74.6
Denominator:
Weighted average number of common shares outstanding		34.2		33.9		34.1		33.8
Dilutive awards		0.1		0.3		0.1		0.2
Diluted weighted average number of common shares outstanding		34.3		34.2		34.2		34.0
Weighted average number of anti-dilutive share-based awards:
Restricted stock units		0.3		—		0.7		0.3
Stock options		0.8		0.6		0.8		0.6
Total		1.1		0.6		1.5		0.9