Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

The following table summarizes the calculation of weighted average common shares outstanding used in the computation of diluted earnings per share (in thousands):

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2016	2015	2016	2015
Weighted average basic common shares outstanding	43,297	42,790	42,839	43,063
Effect of dilutive securities:
Performance shares	127	104	105	86
Restricted stock	81	65	64	65
Weighted average diluted common and potential common shares outstanding	43,505	42,959	43,008	43,214