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The Incentive Stock Plans (Tables)
3 Months Ended
Dec. 31, 2014
Text Block [Abstract]  
Incentive Stock Plans Option Activity

The following table summarizes option activity from September 30, 2014 through December 31, 2014:

 


     Shares
Available
for Grant
    Options
Outstanding
    Aggregate
Intrinsic Value
(in thousands)
     Weighted
Average
Exercise
Price
     Weighted
Average
Remaining
Contractual
Life
 

Balance as of September 30, 2014

     1,350,709        2,226,319      $ 15,980       $ 11.70         6.6   

Options authorized

     —          —             —        

Options granted

     (290,000     290,000         $ 15.91      

Options cancelled/forfeited/expired

     50,002        (50,002      $ 23.42      

Restricted stock awards issued

     (111,000     —             —        

Options exercised

     —          (48,502      $ 6.95      
  

 

 

   

 

 

         

Balance as of December 31, 2014

  999,711      2,417,815    $ 21,473    $ 12.05      6.8   
  

 

 

   

 

 

   

 

 

       

Exercisable as of December 31, 2014

  1,507,791    $ 16,525    $ 10.50      5.5   
    

 

 

   

 

 

       
Weighted Average Assumptions of Incentive Stock Plans

The following are the weighted average assumptions used for each respective period:

 

     Three Months Ended
December 31,
 
     2013     2014  

Dividend yield

     0.0     0.0

Risk-free interest rate

     0.7     0.8

Volatility

     55.7     47.4

Expected life

     3.2 years        3.0 years