Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Schedule of Dilutive Effect of Stock Options RSUs and PSAs

The dilutive effect of stock options, RSUs, and performance shares for each period reported is summarized below:

(in thousands)	2017		2016		2015
Basic weighted-average shares outstanding		18,766		18,989		19,335
Effect of potential exercise of stock options, RSUs, and performance shares		478		427		328
Diluted weighted-average shares outstanding		19,244		19,416		19,663