Earnings Per Share

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Earnings Per Share

9. EARNINGS PER SHARE

The following table sets forth the details of basic and diluted earnings (loss) per share (EPS):

	Year ended December 31
In thousands, except per share		2020	2019			2018
Net income (loss)	$	21,298	$	(21,541	)	$	(177,604	)
Weighted average common shares outstanding used in basic EPS		44,339		44,132			43,768
Common shares issuable upon exercise of dilutive stock options    and PSAs / RSUs		275		—			—
Weighted average common shares outstanding and common share    equivalents used in diluted EPS		44,614		44,132			43,768
Earnings (loss) per share
Continuing operations	$	0.47	$	(0.57	)	$	(0.01	)
Discontinued operations		0.01		0.08			(4.05	)

The following table sets forth the potential common shares outstanding for stock options that were not included in the computation of diluted EPS for the period indicated, because their effect would be anti-dilutive:

	Year ended December 31
In thousands	2020		2019		2018
Potential common shares		1,082		1,233		1,379