Earnings per share

6 Months Ended

Dec. 31, 2011

Earnings per share

4. Earnings per share

The following table presents a reconciliation of the numerator and denominator of basic and diluted earnings per share for the three and six months ended December 31, 2011 and 2010.

	Three Months Ended December 31,				Six Months Ended December 31,
	2011		2010		2011		2010
Numerator:
Net income attributable to common shareholders	$	240,766	$	230,180	$	537,784	$	477,351
Denominator:
Basic - weighted average common shares		150,960,202		161,701,219		151,699,614		161,486,878
Increase in weighted average from dilutive effect of equity-based awards		3,757,009		4,400,316		3,324,865		3,303,911
Diluted - weighted average common shares, assuming exercise of equity-based awards		154,717,211		166,101,535		155,024,479		164,790,789
Basic earnings per share	$	1.59	$	1.42	$	3.55	$	2.96
Diluted earnings per share	$	1.56	$	1.39	$	3.47	$	2.90

For the three months ended December 31, 2011 and 2010, 96,328 and 48,390 common shares subject to equity-based awards, respectively, were excluded from the computation of diluted earnings per share because the effect of their exercise would be anti-dilutive. For the six months ended December 31, 2011 and 2010, 753,316 and 2,993,100 common shares subject to equity-based awards, respectively, were excluded from the computation of diluted earnings per share because the effect of their exercise would be anti-dilutive.