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Earnings Per Share (Tables)
9 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
Schedule of Calculation of Numerator and Denominator in 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, 2013 and 2012.
 
 
Three Months Ended
 
Nine Months Ended
 
March 31,
 
March 31,
 
2013
 
2012
 
2013
 
2012
Numerator:
 
 
 
 
 
 
 
Net income attributable to common shareholders
$
256,560

 
$
312,074

 
$
677,263

 
$
849,858

Denominator:
 
 
 
 
 
 
 
Basic - weighted average common shares
149,287,628

 
151,017,910

 
149,191,583

 
151,472,380

Increase in weighted average common shares from dilutive effect of equity-based awards
3,072,984

 
3,926,336

 
2,661,939

 
3,432,169

Diluted - weighted average common shares, assuming exercise of equity-based awards
152,360,612

 
154,944,246

 
151,853,522

 
154,904,549

Basic earnings per share
$
1.72

 
$
2.07

 
$
4.54

 
$
5.61

Diluted earnings per share
$
1.68

 
$
2.01

 
$
4.46

 
$
5.49