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STOCK-BASED COMPENSATION (Tables)
12 Months Ended
Sep. 30, 2011
STOCK-BASED COMPENSATION 
Summary of compensation cost for stock-based payment arrangements recognized in general and administrative expense

September 30,   2011   2010   2009  

 

    (in thousands)  

Compensation expense

                   
 

Stock options

  $ 7,224   $ 11,475   $ 6,899  
 

Restricted stock

    4,877     4,380     1,449  
       

 

  $ 12,101   $ 15,855   $ 8,348  

 

 

 

 
Summary of weighted-average assumptions utilized in determining the fair value of options granted

 
  2011   2010   2009  

 

                   

Risk-free interest rate

    1.9 %   2.3 %   1.7 %

Expected stock volatility

    51.6 %   49.9 %   43.3 %

Dividend yield

    0.5 %   0.5 %   0.9 %

Expected term (in years)

    5.5     5.8     5.8  
Summary of stock option activity

 
  2011   2010   2009  
 
  Options
  Weighted-Average
Exercise Price

  Options
  Weighted-Average
Exercise Price

  Options
  Weighted-Average
Exercise Price

 
   

Outstanding at October 1,

    5,572     $22.82     5,401     $20.55     4,819     $20.02  

Granted

    324       47.94     570       38.02     865       21.07  

Exercised

    (1,289 )     18.24     (397 )     13.63     (267 )     12.18  

Forfeited/Expired

    (18 )     34.06     (2 )     38.02     (16 )     26.91  
   

Outstanding on September 30,

    4,589     $25.84     5,572     $22.82     5,401     $20.55  
   

Exercisable on September 30,

    3,287     $22.35     3,888     $19.68     3,599     $17.42  
   

Shares available to grant

    6,000           761           1,656        
Summary of information about outstanding and exercisable stock options

The following table summarizes information about stock options at September 30, 2011 (shares in thousands):

 
  Outstanding Stock Options   Exercisable Stock Options  
Range of
Exercise Prices

  Options
  Weighted-Average
Remaining Life

  Weighted-Average
Exercise Price

  Options
  Weighted-Average
Exercise Price

 
   
$11.3318 to $16.01     1,489     2.1     $13.91     1,489     $13.91  
$21.05 to $30.2375     1,641     5.9     $24.97     1,230     $26.27  
$35.105 to $47.935     1,459     7.6     $38.99     568     $36.00  
   
$11.3318 to $47.935     4,589     5.2     $25.84     3,287     $22.35  
   
Summary of restricted stock awards and changes in restricted stock outstanding

 
  2011   2010   2009  
 
  Shares
  Weighted-Average
Grant Date Fair
Value per Share

  Shares
  Weighted-Average
Grant Date Fair
Value per Share

  Shares
  Weighted-Average
Grant Date Fair
Value per Share

 
   

Outstanding at October 1,

    289     $35.23     177     $30.06     243     $29.92  

Granted

    169       47.94     182       38.02           —  

Vested

    (134 )     33.92     (70 )     29.36     (66 )     29.52  

Forfeited/Expired

    (1 )     47.94                 —                 —  
   

Outstanding on September 30,

    323     $42.38     289     $35.23     177     $30.06