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Shareholders' Equity (Tables)
6 Months Ended
Jun. 30, 2012
Shareholders' Equity  
Share-Based Activity
  Three Months Ended Six Months Ended
  June 30, June 30,
  2012 2011 2012 2011
             
Share-based compensation expense $ 1,620 $ 1,578 $ 3,412 $ 3,171
Fair value of shares vested    477   294   6,425   2,657
Cash received from option exercises    4,151   1,031   6,672   4,628
Tax benefit from option exercises    450   61   529   463
Schedule Of Changes In Non-Vested Restricted Shares
      Weighted
    Number Average
    of Grant
    Shares Price
        
Non-vested shares at December 31, 2011  732,412 $ 21.91
 Shares granted   281,429   26.78
 Shares vested  (183,019)   25.98
 Shares forfeited   (448)   24.75
       
Non-vested shares at June 30, 2012  830,374 $ 22.51
Schedule Of Stock Option Activity
         Weighted
         Average
      Weighted Remaining
    Number Average Contractual
    of Exercise Term
    Shares Price (in years)
          
Outstanding at December 31, 2011  2,510,054 $ 23.09  3.4
 Options exercised with total intrinsic value of $6,672,000  (324,860)   20.54  
 Options terminated   (5,625)   21.85  
          
Outstanding at June 30, 2012 with aggregate intrinsic value of $14,189,000  2,179,569 $ 23.47  2.9
          
Vested at June 30, 2012 with aggregate intrinsic value of $14,189,000  2,179,569 $ 23.47  2.9
          
Exercisable at June 30, 2012 with aggregate intrinsic value of $14,189,000  2,179,569 $ 23.47  2.9
Schedule Of Reconciliation Of Numerator And Denominators Of Basic And Diluted Earnings Per Share
     Three Months Ended June 30, Six Months Ended June 30,
          Per      Per
     Earnings Shares  Share Earnings Shares  Share
     (Numerator) (Denominator) Amount (Numerator) (Denominator) Amount
                    
2012:                
Net earnings from continuing                 
 operations attributable to                 
 AmSurg Corp. per common                 
 share (basic) $ 16,196  30,743 $ 0.53 $ 31,915  30,681 $ 1.04
                    
Effect of dilutive securities                 
 options and non-vested shares    -  834      -  808   
                    
Net earnings from continuing                 
 operations attributable to                 
 AmSurg Corp. per common                 
 share (diluted)  $ 16,196  31,577 $ 0.51 $ 31,915  31,489 $ 1.01
                    
Net earnings attributable                 
 to AmSurg Corp. per common  $ 15,536  30,743 $ 0.51 $ 30,312  30,681 $ 0.99
 share (basic)                 
Effect of dilutive securities                 
 options and non-vested shares    -  834      -  808   
                    
Net earnings attributable                 
 to AmSurg Corp. per common                 
 share (diluted) $ 15,536  31,577 $ 0.49 $ 30,312  31,489 $ 0.96
                    
2011:                
Net earnings from continuing                 
 operations attributable to                 
 AmSurg Corp. per common                 
 share (basic) $ 12,683  30,415 $ 0.42 $ 24,288  30,418 $ 0.80
                    
Effect of dilutive securities                 
 options and non-vested shares    -  920      -  762   
                    
Net earnings from continuing                 
 operations attributable to                 
 AmSurg Corp. per common                 
 share (diluted)  $ 12,683  31,335 $ 0.40 $ 24,288  31,180 $ 0.78
                    
Net earnings attributable                 
 to AmSurg Corp. per common  $ 11,630  30,415 $ 0.38 $ 23,323  30,418 $ 0.77
 share (basic)                 
Effect of dilutive securities                 
 options and non-vested shares    -  920      -  762   
                    
Net earnings attributable                 
 to AmSurg Corp. per common                 
 share (diluted) $ 11,630  31,335 $ 0.37 $ 23,323  31,180 $ 0.75