XML 54 R14.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-based Compensation
 6 Months Ended
Jan. 31, 2013
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]  
Stock-based Compensation

NOTE 7 - Stock-based Compensation

The Company recognizes compensation expense for stock option awards on a straight-line basis over the requisite service period of the award. The following is a summary of option activity for the Company's stock options for the six months ended January 31, 2013:

 
                                               
        Shares           Weighted-
average
Exercise Price		           Weighted-average
Remaining
Contractual Term		           Aggregate
Intrinsic Value		  
        (in 000s)                                   (in 000s)  
  Outstanding at July 31, 2012     16,179         $ 16.24                          
  Grants of options     271         $ 29.19                          
  Exercises     (1,338 )       $ 13.63                          
  Forfeitures or expirations     (33 )       $ 26.08                          
                                               
  Outstanding at January 31, 2013     15,079         $ 16.68           6.35         $ 289,944  
                                               
  Exercisable at January 31, 2013     10,419         $ 15.89           5.93         $ 208,545  

The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying awards and the quoted price of our common stock for the 15,079,333 options that were in-the-money at January 31, 2013.

The table below sets forth the stock-based compensation recognized by the Company:

 
                                                                                   
              Three Months Ended January 31,           Six Months Ended January 31,        
              2013           2012           2013           2012        
  General and administrative         $ 4,245         $ 4,793         $ 8,815         $ 9,643        
  Yard operations           501           702           1,105           1,385        
            $ 4,746         $ 5,495         $ 9,920         $ 11,028