Earnings per Share (Tables)

3 Months Ended

Mar. 31, 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
	March 31,
	2015	2014
Weighted average basic common shares outstanding	43,340	44,908
Effect of dilutive securities:
Performance shares	64	100
Restricted stock	62	174
Weighted average diluted common and potential common shares outstanding	43,466	45,182