Earnings Per Share Calculations (Tables)

6 Months Ended

Jun. 30, 2011

Earnings Per Share Calculations

Schedule of basic and diluted earnings per share

	Three Months Ended June 30
	2011		2010
Net income available to common stockholders	$	12,190	$	10,381
Weighted average common shares, basic	41,752		41,606
Dilutive common stock options (treasury method)	16		30
Shares used for dilutive computation	41,768		41,636
Net income per share — basic	$	0.29	$	0.25
Net income per share — diluted	$	0.29	$	0.25

	Six Months Ended June 30
	2011		2010
Net income available to common stockholders	$	14,909	$	12,399
Weighted average common shares, basic	41,724		41,582
Dilutive common stock options (treasury method)	16		30
Shares used for dilutive computation	41,740		41,612
Net income per share — basic	$	0.36	$	0.30
Net income per share — diluted	$	0.36	$	0.30