Quarters Ended

June 30,

Six Months Ended

June 30,

2013

2012

2013

2012

Weighted average number of common shares used for basic EPS

38,960,439

39,277,649

38,919,551

39,237,141

Effect of dilutive stock options and restricted and deferred stock unit awards

358,390

292,805

391,838

298,056

Weighted average number of common shares and dilutive potential common stock used in dilutive EPS

39,318,829

39,570,454

39,311,389

39,535,197