Earnings Per Share

12 Months Ended

Dec. 31, 2020

Note 18. Earnings Per Share

Basic earnings per share is computed by dividing net income (loss) by the weighted-average number of shares of common stock outstanding. Diluted earnings per share is computed by dividing net income (loss) by the weighted-average number of shares of common stock outstanding during the period, increased to include the number of shares of common stock that would have been outstanding had potential dilutive shares of common stock been issued. The dilutive effect of stock options, RSUs and performance shares are reflected in diluted net income (loss) per share by applying the treasury stock method.

A reconciliation of the amounts included in the computation of basic earnings (loss) per share from continuing operations and diluted earnings (loss) per share from continuing operations is as follows:



	Year Ended December 31,
(In millions, except per share data)	2020		2019		2018
Income (Loss) from Continuing Operations	$	20	$	60	$	(227)
Weighted-average common shares outstanding		132.7		135.8		135.5
Effect of dilutive securities:
RSUs		0.2		0.1		—
Stock options⁽¹⁾		0.1		0.3		—
Weighted-average common shares outstanding - assuming dilution		133.0		136.2		135.5
Basic earnings (loss) per share from continuing operations	$	0.15	$	0.44	$	(1.68)
Diluted earnings (loss) per share from continuing operations	$	0.15	$	0.44	$	(1.68)

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(1)Options to purchase 0.8 million and 0.5 million shares for the years ended December 31, 2020 and 2019, respectively, were not included in the diluted earnings per share calculation because their effect would have been antidilutive.

For the year ended December 31, 2018, weighted average potentially dilutive shares from RSUs of 0.2 million and weighted average potentially dilutive shares from stock options of 0.4 million with a weighted average exercise price of $29.34 were excluded from the dilutive earnings (loss) per share calculation due to the net loss.