Earnings per Common Share (Tables)

9 Months Ended

Sep. 30, 2020

Compilation of Basic and Diluted Earnings Per Common Share

The following table sets forth the compilation of basic and diluted earnings (loss) per common share for the three and nine months ended September 30, 2020 and 2019:


($ and shares in millions, except per share amounts)	Three months ended September 30				Nine months ended September 30
	2020		2019		2020		2019
Numerator:
Net income (loss) for basic earnings (loss) per common share	$	11.6	$	11.5	$	(68.7)	$	54.7


Denominator:
Weighted average shares for basic earnings (loss) per common share	43.8		43.5		43.7		43.4
Effect of dilutive share-based awards	0.5		0.5		—		0.6
Adjusted weighted average shares for diluted earnings (loss) per common share	44.3		44.0		43.7		44.0

Basic net earnings (loss) per common share	$	0.26	$	0.26	$	(1.57)	$	1.26
Diluted net earnings (loss) per common share	$	0.26	$	0.25	$	(1.57)	$	1.25

Options to Purchase Shares of Common Stock

The following table sets forth stock awards and restricted share units ("RSU award") of the Company that were not included in the computation of diluted earnings (loss) per common share because the exercise price of the awards was greater than the average market price or their inclusion would have been antidilutive for the nine months ended September 30, 2020:


(shares in millions)	Nine months ended September 30
		2020
Total number of antidilutive awards		0.6