Earnings per Share (Tables)

3 Months Ended

Mar. 31, 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
	March 31,
	2016	2015
Weighted average basic common shares outstanding	42,380	43,340
Effect of dilutive securities:
Performance shares	83	64
Restricted stock	57	62
Weighted average diluted common and potential common shares outstanding	42,520	43,466