Earnings per share

9 Months Ended

Mar. 31, 2012

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 nine months ended March 31, 2012 and 2011.

	Three Months Ended March 31,				Nine Months Ended March 31,
	2012		2011		2012		2011
Numerator:
Net income attributable to common shareholders	$	312,074	$	279,589	$	849,858	$	756,940
Denominator:
Basic - weighted average common shares		151,017,910		162,160,426		151,472,380		161,711,394
Increase in weighted average common shares from dilutive effect of equity-based awards		3,926,336		4,529,921		3,432,169		3,559,088
Diluted - weighted average common shares, assuming exercise of equity-based awards		154,944,246		166,690,347		154,904,549		165,270,482
Basic earnings per share	$	2.07	$	1.72	$	5.61	$	4.68
Diluted earnings per share	$	2.01	$	1.68	$	5.49	$	4.58

For the three months ended March 31, 2012 and 2011, 74,554 and 33,129 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 nine months ended March 31, 2012 and 2011, 764,508 and 2,046,685 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.