Earnings Per Share

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

There are no adjustments to “Net income attributable to Piedmont” or “Income from continuing operations” for the diluted earnings per share computations.

Net income per share-basic is calculated as net income available to common stockholders divided by the weighted average number of common shares outstanding during the period. Net income per share-diluted is calculated as net income available to common stockholders divided by the diluted weighted average number of common shares outstanding during the period, including nonvested restricted stock. Diluted weighted average number of common shares is calculated to reflect the potential dilution under the treasury stock method that would occur as if the remaining unvested restricted stock awards has vested and resulted in additional common shares outstanding. The following table reconciles the denominator for the basic and diluted earnings per share computations shown on the consolidated statements of operations for the years endedDecember 2011, 2010, and 2009 (in thousands):

	December 31, 2011	December 31, 2010	December 31, 2009
Weighted-average common shares—basic	172,765	170,753	158,419
Plus incremental weighted-average shares from time-vested conversions:
Restricted stock awards	216	214	162
Weighted-average common shares—diluted	172,981	170,967	158,581