Earnings Per Share

Earnings per common share – basic is computed using net income attributable to common shareholders and the weighted average number of shares outstanding – basic. Earnings per common share – diluted includes the effect of potentially dilutive securities. Income from continuing operations attributable to common shareholders includes gain on sale of property in accordance with Securities and Exchange Commission guidelines. Earnings per common share – basic and diluted components for the periods indicated are as follows (in thousands):



	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
Numerator:
Income from continuing operations	$	36,195		$	35,894		$	109,037		$	93,496
Gain on sale of property	17,079			38,579			173,077			86,566
Net income attributable to noncontrolling interests	(10,293		)	(1,844		)	(14,020		)	(12,755		)
Net income attributable to common shareholders - basic	42,981			72,629			268,094			167,307
Income attributable to operating partnership units	—			515			1,584			1,567
Net income attributable to common shareholders - diluted	$	42,981		$	73,144		$	269,678		$	168,874
Denominator:
Weighted average shares outstanding – basic	127,525			127,801			127,651			127,734
Effect of dilutive securities:
Share options and awards	792			844			809			877
Operating partnership units	—			1,432			1,432			1,450
Weighted average shares outstanding – diluted	128,317			130,077			129,892			130,061

Anti-dilutive securities of our common shares, which are excluded from the calculation of earnings per common share – diluted, are as follows (in thousands):



	Three Months Ended September 30,		Nine Months Ended September 30,
	2018	2017	2018	2017
Share options ⁽¹⁾	—	207	—	—
Operating partnership units	1,432	—	—	—
Total anti-dilutive securities	1,432	207	—	—

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(1)	Exclusion results as exercise prices were greater than the average market price for each respective period.