Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2016

Details of Basic and Diluted Earnings Per Share (EPS)

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

	Year ended December 31
In thousands, except per share		2016	2015		2014
Net income	$	21,554	$	64,575	$	69,246
Weighted average common shares outstanding used in basic EPS		43,558		43,397		43,201
Common shares issuable upon exercise of dilutive stock options and PSAs / RSUs		571		545		865
Weighted average common shares outstanding and common share equivalents used in diluted EPS		44,129		43,942		44,066
Earnings per share
Basic	$	0.49	$	1.49	$	1.60
Diluted		0.49		1.47		1.57

Number of Potential Common Shares that have been Excluded from Computation of Diluted Earnings Per Share for Indicated Period Due to Their Anti-Dilutive Nature

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	2016		2015		2014
Potential common shares		596		678		277