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 June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Numerator:
Income from continuing operations	$	32,918		$	36,969		$	72,842		$	57,602
Gain on sale of property	46,953			32,224			155,998			47,987
Net income attributable to noncontrolling interests	(1,582		)	(5,341		)	(3,727		)	(10,911		)
Net income attributable to common shareholders - basic	78,289			63,852			225,113			94,678
Income attributable to operating partnership units	528			526			1,056			—
Net income attributable to common shareholders - diluted	$	78,817		$	64,378		$	226,169		$	94,678
Denominator:
Weighted average shares outstanding – basic	127,505			127,788			127,714			127,700
Effect of dilutive securities:
Share options and awards	813			848			799			894
Operating partnership units	1,432			1,459			1,432			—
Weighted average shares outstanding – diluted	129,750			130,095			129,945			128,594

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 June 30,		Six Months Ended June 30,
	2018	2017	2018	2017
Share options ⁽¹⁾	—	207	—	—
Operating partnership units	—	—	—	1,460
Total anti-dilutive securities	—	207	—	1,460

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