Earnings Per Share

12 Months Ended

Dec. 31, 2017

6.	EARNINGS PER SHARE

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

	Year ended December 31
In thousands, except per share		2017	2016		2015
Net income	$	7,914	$	21,554	$	64,575
Weighted average common shares outstanding used in basic EPS		43,609		43,558		43,397
Common shares issuable upon exercise of dilutive stock options and PSAs / RSUs		830		571		545
Weighted average common shares outstanding and common share equivalents used in diluted EPS		44,439		44,129		43,942
Earnings per share
Basic	$	0.18	$	0.49	$	1.49
Diluted		0.18		0.49		1.47

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	2017		2016		2015
Potential common shares		610		596		678