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Shareholders' Equity (Tables)
3 Months Ended
Mar. 31, 2013
Shareholders' Equity  
Share-Based Activity
  Three Months Ended
  March 31,
  2013 2012
       
Share-based compensation expense $ 2,050 $ 1,792
Fair value of shares vested    9,182   5,948
Cash received from option exercises    5,691   2,521
Tax benefit from option exercises    288   79
Schedule Of Changes In Non-Vested Restricted Shares
      Weighted
    Number Average
    of Grant
    Shares Price
        
Non-vested shares at December 31, 2012  828,686 $ 22.50
 Shares granted   263,140   31.18
 Shares vested  (292,809)   20.59
 Shares forfeited   (13,836)   22.66
       
Non-vested shares at March 31, 2013  785,181 $ 26.12
Schedule Of Stock Option Activity
         Weighted
         Average
      Weighted Remaining
    Number Average Contractual
    of Exercise Term
    Shares Price (in years)
          
Outstanding at December 31, 2012  1,662,830 $ 23.82  2.9
 Options exercised with total intrinsic value of $5,691,000  (236,579)   24.06  
          
Outstanding at March 31, 2013 with aggregate intrinsic value of $14,059,000  1,426,251 $ 23.78  3.0
          
Vested at March 31, 2013 with aggregate intrinsic value of $14,059,000  1,426,251 $ 23.78  3.0
          
Exercisable at March 31, 2013 with aggregate intrinsic value of $14,059,000  1,426,251 $ 23.78  3.0
Schedule Of Reconciliation Of Numerator And Denominators Of Basic And Diluted Earnings Per Share
    Three Months Ended March 31,
         Per
    Earnings Shares  Share
    (Numerator) (Denominator) Amount
           
2013:        
Net earnings from continuing operations attributable to AmSurg Corp.        
  per common share (basic) $ 17,811  31,217 $ 0.57
           
Effect of dilutive securities options and non-vested shares    -   664   
           
 Net earnings from continuing operations attributable to AmSurg Corp.        
   per common share (diluted)  $ 17,811  31,881 $ 0.56
           
Net earnings attributable to AmSurg Corp. per common share (basic)  $ 17,811  31,217 $ 0.57
          
Effect of dilutive securities options and non-vested shares   -   664   
           
 Net earnings attributable to AmSurg Corp.        
   per common share (diluted) $ 17,811  31,881 $ 0.56
           
2012:        
Net earnings from continuing operations attributable to AmSurg Corp.        
  per common share (basic) $ 15,554  30,619 $ 0.51
           
Effect of dilutive securities options and non-vested shares    -   782   
           
 Net earnings from continuing operations attributable to AmSurg Corp.        
   per common share (diluted)  $ 15,554  31,401 $ 0.50
           
Net earnings attributable to AmSurg Corp. per common share (basic)  $ 14,776  30,619 $ 0.48
          
Effect of dilutive securities options and non-vested shares   -   782   
           
 Net earnings attributable to AmSurg Corp.        
   per common share (diluted) $ 14,776  31,401 $ 0.47