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Earnings Per Share (Tables)
6 Months Ended
Dec. 31, 2012
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 six months ended December 31, 2012 and 2011.
 
 
Three Months Ended
 
Six Months Ended
 
December 31,
 
December 31,
 
2012
 
2011
 
2012
 
2011
Numerator:
 
 
 
 
 
 
 
Net income attributable to common shareholders
$
180,962

 
$
240,766

 
$
420,703

 
$
537,784

Denominator:
 
 
 
 
 
 
 
Basic - weighted average common shares
149,001,273

 
150,960,202

 
149,143,561

 
151,699,614

Increase in weighted average common shares from dilutive effect of equity-based awards
3,197,431

 
3,757,009

 
2,874,464

 
3,324,865

Diluted - weighted average common shares, assuming exercise of equity-based awards
152,198,704

 
154,717,211

 
152,018,025

 
155,024,479

Basic earnings per share
$
1.21

 
$
1.59

 
$
2.82

 
$
3.55

Diluted earnings per share
$
1.19

 
$
1.56

 
$
2.77

 
$
3.47