Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The computations of Basic and Diluted Earnings per Share for the years ended December 31, were as follows:

	2012		2011		2010
Numerator:
Net Earnings	$	41,584	$	32,713	$	34,803
Denominator:
Basic - Weighted Average Shares Outstanding	18,544,896		18,832,693		18,805,494
Effect of dilutive securities:
Employee stock options	557,120		527,735		526,609
Diluted - Weighted Average Shares Outstanding	19,102,016		19,360,428		19,332,103
Basic Earnings per Share	$	2.24	$	1.74	$	1.85
Diluted Earnings per Share	$	2.18	$	1.69	$	1.80