Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2015

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,
	2015	2014	2015	2014
Weighted average basic common shares outstanding	42,790	44,660	43,063	44,783
Effect of dilutive securities:
Performance shares	104	111	86	105
Restricted stock	65	139	65	157
Weighted average diluted common and potential common shares outstanding	42,959	44,910	43,214	45,045