XML 43 R21.htm IDEA: XBRL DOCUMENT v2.4.0.8
Equity Compensation Plans (Tables)
3 Months Ended
Aug. 31, 2014
Stock Option Activity

A summary of stock option activity during the three months ended August 31, 2014 follows:

 

     Shares      Weighted-
Average
Exercise Price
 

Options outstanding at June 1, 2014

     1,869,000       $ 25.69   

Granted

     0         0   

Exercised

     191,000         14.85   

Forfeited

     27,000         33.95   
  

 

 

    

Options outstanding at August 31, 2014

     1,651,000         26.82   
Fair Value of Stock Options Granted, Estimated using Weighted-Average Assumptions

The fair value of stock options granted in fiscal 2014 was estimated using the following weighted-average assumptions.

 

     FY2014

Risk-free interest rate

   0.8%

Expected dividend yield

   0%

Expected stock price volatility

   33.1%

Expected option life

   4.0 years