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Net Income Per Share
 12 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Net Income Per Share
PER SHARE
Basic earnings per share are computed by dividing net income by the weighted average number of Common Shares outstanding during the period. Diluted earnings per share are computed by dividing net income by the shares used in the calculation of basic earnings per share plus the dilutive effect of Common Share equivalents, such as stock options, using the treasury stock method. Common Share equivalents are excluded from the computation of diluted net income per share if their effect is anti-dilutive. 
 
 
Year Ended June 30,
 
 
2013
 
2012
 
2011
Basic earnings per share
 
 
 
 
 
 
Net income
 
$
148,520

 
$
125,174

 
$
123,203

Basic earnings per share
 
$
2.53

 
$
2.16

 
$
2.16

Diluted earnings per share
 
 
 
 
 
 
Net income
 
$
148,520

 
$
125,174

 
$
123,203

Diluted earnings per share
 
$
2.51

 
$
2.13

 
$
2.11

Weighted-average number of shares outstanding
 
 
 
 
 
 
Basic
 
58,604

 
57,890

 
57,077

Effect of dilutive securities
 
458

 
844

 
1,183

Diluted
 
59,062

 
58,734

 
58,260

Excluded as anti-dilutive*
 
1,131

 
368

 
48


* Represents options to purchase Common Shares excluded from the calculation of diluted net income per share because the exercise price of the stock options was greater than or equal to the average price of the Common Shares during the period.