Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Computation of Basic and Diluted earnings (Loss) per share

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

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2012		2011		2012		2011
Numerator:
Net Earnings	$	8,745	$	9,728	$	27,740	$	21,449
Denominator:
Basic - Weighted Average Shares Outstanding	18,468,546		18,741,524		18,594,508		18,881,132
Effect of dilutive securities:
Share-based compensation plans	572,329		529,550		560,336		535,929
Diluted - Weighted Average Shares Outstanding	19,040,875		19,271,074		19,154,844		19,417,061
Basic Earnings per Share	$	0.47	$	0.52	$	1.49	$	1.14
Diluted Earnings per Share	$	0.46	$	0.50	$	1.45	$	1.10