Earnings Per Share

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Earnings Per Share

(4) Earnings Per Share

       Basic earnings per share are calculated using the weighted-average number of common shares outstanding during the periods.  Diluted earnings per share include the weighted-average effect of all dilutive securities outstanding during the periods.

The following table presents the shares used in computing basic and diluted earnings per share (in thousands):

	Quarters Ended June 30,		Six Months Ended June 30,
	2014	2013	2014	2013
Basic weighted-average shares outstanding	60,573	60,058	60,558	59,918
Dilutive effect of restricted stock units and stock options	458	319	423	310
Diluted weighted-average shares outstanding	61,031	60,377	60,981	60,228