Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The computations of Basic and Diluted Earnings per Share were as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
	2013		2012		2013		2012
Numerator:
Net Earnings	$	14,254	$	13,671	$	19,313	$	18,995
Denominator:
Basic - Weighted Average Shares Outstanding	18,253,326		18,594,207		18,298,379		18,658,182
Effect of dilutive securities:
Share-based compensation plans	534,554		609,356		537,163		604,287
Diluted - Weighted Average Shares Outstanding	18,787,880		19,203,563		18,835,542		19,262,469
Basic Earnings per Share	$	0.78	$	0.74	$	1.06	$	1.02
Diluted Earnings per Share	$	0.76	$	0.71	$	1.03	$	0.99