Quarterly report pursuant to Section 13 or 15(d)

Basic and Diluted Earnings Per Share

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Basic and Diluted Earnings Per Share
3 Months Ended
Aug. 31, 2015
Earnings Per Share [Abstract]  
Basic and Diluted Earnings Per Share
Basic and Diluted Earnings Per Share
Basic and diluted earnings per share were calculated as follows:
 
 
For the three months ended 
 August 31,
In millions, except per share amounts
 
2015
 
2014
Basic earnings per share:
 
 
 
 
Net income
 
$
209.1

 
$
171.3

Weighted-average common shares outstanding
 
361.1

 
363.1

Basic earnings per share
 
$
0.58

 
$
0.47

Diluted earnings per share:
 
 
 
 
Net income
 
$
209.1

 
$
171.3

Weighted-average common shares outstanding
 
361.1

 
363.1

Dilutive effect of common share equivalents
 
1.7

 
1.6

Weighted-average common shares outstanding, assuming dilution
 
362.8

 
364.7

Diluted earnings per share
 
$
0.58

 
$
0.47

Weighted-average anti-dilutive common share equivalents
 
0.5

 
0.5


Weighted-average common share equivalents that have an anti-dilutive impact are excluded from the computation of diluted earnings per share.
For both the three months ended August 31, 2015 and 2014, 0.7 million shares of the Company’s common stock were issued in connection with the exercise or vesting of stock-based awards.
In May 2014, the Board of Directors approved a program to repurchase up to $350 million of the Company's common stock, with authorization expiring on May 31, 2017. During the three months ended August 31, 2015, the Company repurchased 1.3 million shares for $62.9 million. During the three months ended August 31, 2014, the Company repurchased 0.9 million shares for $37.5 million. Shares repurchased were retired.