v2.3.0.11
Equity Compensation Plans (Tables)
3 Months Ended
Aug. 31, 2011
Equity Compensation Plans  
Summary Of Stock Option Activity
     Shares     Weighted-Average
Exercise Price
 

Options outstanding at June 1, 2011

     1,574,000      $ 17.77   

Granted

     0        0   

Exercised

     (77,000     12.31   

Forfeited

     (3,000     22.53   
  

 

 

   

Options outstanding at August 31, 2011

     1,494,000        18.05   
Fair Value Of Stock Options Granted, Estimated Using Weighted-Average Assumptions
     2011  

Risk-free interest rate

     1.7

Expected dividend yield

     0

Expected stock price volatility

     38.8

Expected option life

     4.0 years