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Disclosure Of Compensation Related Costs, Share Based Payments (Tables)
3 Months Ended
Jul. 31, 2011
Disclosure Of Compensation Related Costs, Share Based Payments  
Schedule Of Issuance Of Stock Option Plans

 

 

 

Number of Shares

 

 

Weighted Average Exercise Price

 

 

 

 

 

 

Outstanding April 30, 2011

 

775,609 

 

$

23.38

Granted

 

441,000 

 

 

44.39

Exercised

 

(64,500)

 

 

20.41

Forfeited

 

---------- 

 

 

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Outstanding at July 31, 2011

 

1,152,109 

 

$

31.59