Earnings Per Share

6 Months Ended

Jun. 30, 2011

Earnings Per Share

Earnings Per Share

12. Earnings Per Share

The following table presents earnings per weighted average common share outstanding for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Basic earnings per share:
Income from continuing operations attributable to common shareholders	$	0.79	$	0.82	$	0.64	$	0.91
Income from discontinued operations	0.01		0.25		0.02		0.13
Earnings per share — basic	$	0.80	$	1.07	$	0.66	$	1.04
Diluted earnings per share:
Income from continuing operations attributable to common shareholders	$	0.78	$	0.82	$	0.64	$	0.91
Income from discontinued operations	0.01		0.25		0.01		0.13
Earnings per share — diluted	$	0.79	$	1.07	$	0.65	$	1.04

Dilutive stock options and performance shares (which are contingently issuable) increased average diluted common shares outstanding by approximately 674,000 shares and 409,000 shares for the three months ended June 30, 2011 and 2010, respectively, and by approximately 601,000 and 426,000 shares for the six months ended June 30, 2011 and 2010, respectively.

For the three-month and six-month periods ended June 30, 2011, there were no options to purchase shares of common stock outstanding that were excluded from the computation of diluted earnings per share because the options’ exercise prices were greater than the average market price of the common shares.  For the three-month and six-month periods ended June 30, 2010, options to purchase 387,800 shares of common stock were outstanding but were excluded from the computation of diluted earnings per share because the options’ exercise prices were greater than the average market price of the common shares.