Earnings per Common Share (Tables)

3 Months Ended

Mar. 31, 2020

Compilation of Basic and Diluted Earnings Per Common Share

The following table sets forth the compilation of basic and diluted (loss) earnings per common share for the three months ended March 31, 2020 and 2019:



($ and shares in millions, except per share amounts)	Three months ended March 31
	2020			2019
Numerator:
Net (loss) income for basic earnings per common share	$	(114.6	)	$	49.4
Denominator:
Weighted average shares for basic (loss) earnings per common share	43.7			43.3
Effect of dilutive share-based awards	—			0.6
Adjusted weighted average shares for diluted net (loss) earnings per common share	43.7			43.9

Basic net (loss) earnings per common share	$	(2.62	)	$	1.14
Diluted net (loss) earnings per common share	$	(2.62	)	$	1.12

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 (loss) earnings 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 three months ended March 31, 2020 and 2019:



(shares in millions)	Three months ended March 31
	2020	2019
Total number of antidilutive awards	0.5	—