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EARNINGS PER SHARE
 6 Months Ended
Nov. 30, 2013
Earnings Per Share [Abstract]  
EARNINGS PER SHARE

13.    EARNINGS PER SHARE

 

Basic earnings per share is computed by dividing net income for the period by the weighted average number of common shares outstanding during the period. Diluted earnings per share is computed by dividing net income for the period by the weighted average number of common shares outstanding during the period, plus the dilutive effect of outstanding stock options, restricted stock-based awards and shares issuable under the employee stock purchase plan using the treasury stock method. The following table sets forth the computation of basic and diluted earnings per share:

 

 

 

Three Months Ended

 November 30,

 

Six Months Ended

November 30,

(in millions, except per share data)

 

2013

 

2012

 

2013

 

2012

Net income

 

 $

   2,553

 

 $

   2,581

 

 $

   4,744

 

 $

   4,615

Weighted average common shares outstanding

 

 

   4,535

 

 

   4,792

 

 

   4,571

 

 

   4,829

Dilutive effect of employee stock plans

 

 

        65

 

 

        76

 

 

        66

 

 

        75

Dilutive weighted average common shares outstanding

 

 

   4,600

 

 

   4,868

 

 

   4,637

 

 

   4,904

Basic earnings per share

 

 $

     0.56

 

 $

     0.54

 

 $

     1.04

 

 $

     0.96

Diluted earnings per share

 

 $

     0.56

 

 $

     0.53

 

 $

     1.02

 

 $

     0.94

Shares subject to anti-dilutive stock options and restricted stock-based awards excluded from calculation (1)

 

 

   182

 

 

      223

 

 

 297

 

 

      206

 

__________________________

 

(1)

These weighted shares relate to anti-dilutive stock options and restricted stock-based awards as calculated using the treasury stock method and could be dilutive in the future.