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Shareholders' Equity (Tables)
9 Months Ended
Sep. 30, 2011
Shareholders' Equity 
Share-Based Activity
  Three Months Ended Nine Months Ended
  September 30, September 30,
  2011 2010 2011 2010
             
Share-based compensation expense $ 1,591 $ 885 $ 4,762 $ 3,425
Fair value of shares vested    227   242   2,589   2,809
Cash received from option exercises    132   141   4,760   683
Tax benefit from option exercises    26   12   489   81
Schedule Of Changes In Non-Vested Restricted Shares
      Weighted
    Number Average
    of Grant
    Shares Price
        
Non-vested shares at December 31, 2010  664,909 $ 22.16
 Shares granted   276,869   21.78
 Shares vested, net of shares repurchased to fund tax withholding requirements   (88,755)   22.57
 Shares forfeited   (248)   24.75
       
Non-vested shares at September 30, 2011  852,775 $ 21.99
Schedule Of Stock Option Activity
         Weighted
         Average
      Weighted Remaining
    Number Average Contractual
    of Exercise Term
    Shares Price (in years)
          
Outstanding at December 31, 2010  2,901,989 $ 22.49  4.5
 Options exercised with total intrinsic value of $1,234,000  (244,125)   19.50  
 Options terminated   (17,585)   25.42  
          
Outstanding at September 30, 2011 with aggregate intrinsic value of $3,133,000  2,640,279 $ 22.75  3.5
          
Vested or expected to vest at September 30, 2011 with aggregate intrinsic value       
 of $3,133,000  2,640,279 $ 22.75  3.5
          
Exercisable at September 30, 2011 with aggregate intrinsic value of $3,133,000  2,425,069 $ 22.65  3.3
Schedule Of Reconciliation Of Numerator And Denominators Of Basic And Diluted Earnings Per Share
     Three Months Ended September 30, Nine Months Ended September 30,
          Per      Per
     Earnings Shares  Share Earnings Shares  Share
     (Numerator) (Denominator) Amount (Numerator) (Denominator) Amount
                    
2011:                
Net earnings from continuing                 
 operations attributable to                 
 AmSurg Corp. per common                 
 share (basic) $ 13,069  30,436 $ 0.43 $ 37,502  30,424 $ 1.23
                    
Effect of dilutive securities                 
 options and non-vested shares    -  726      -  750   
                    
Net earnings from continuing                 
 operations attributable to                 
 AmSurg Corp. per common                 
 share (diluted)  $ 13,069  31,162 $ 0.42 $ 37,502  31,174 $ 1.20
                    
Net earnings attributable                 
 to AmSurg Corp. per common  $ 13,126  30,436 $ 0.43 $ 36,449  30,424 $ 1.20
 share (basic)                 
Effect of dilutive securities                 
 options and non-vested shares    -  726      -  750   
                    
Net earnings attributable                 
 to AmSurg Corp. per common                 
 share (diluted) $ 13,126  31,162 $ 0.42 $ 36,449  31,174 $ 1.17
                    
2010:                
Net earnings from continuing                 
 operations attributable to                 
 AmSurg Corp. per common                 
 share (basic) $ 12,844  30,251 $ 0.42 $ 37,961  30,234 $ 1.26
                    
Effect of dilutive securities                 
 options and non-vested shares    -  369      -  430   
                    
Net earnings from continuing                 
 operations attributable to                 
 AmSurg Corp. per common                 
 share (diluted)  $ 12,844  30,620 $ 0.42 $ 37,961  30,664 $ 1.24
                    
Net earnings attributable                 
 to AmSurg Corp. per common  $ 13,118  30,251 $ 0.42 $ 38,957  30,234 $ 1.29
 share (basic)                 
Effect of dilutive securities                 
 options and non-vested shares    -  369      -  430   
                    
Net earnings attributable                 
 to AmSurg Corp. per common                 
 share (diluted) $ 13,118  30,620 $ 0.43 $ 38,957  30,664 $ 1.27